cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Le développement du pouvoir d'agir : entre efficacité et limites sur les pratiques enseignantes
title: Le développement du pouvoir d'agir : entre efficacité et limites sur les pratiques enseignantes
titleType: AlternativeTitle
Creators: name: Schwab, Sabrina
Publisher: name: Unknown
Year: 0
Subjects: subject: développement du pouvoir d’agir
subject: DPA
subject: Yann Le Bossé
subject: impuissance
subject: difficultés scolaires
subject: difficultés personnelles
subject: théorie
subject: pratique
subject: forces et limites
subject: pas proximal

description: Ce mémoire se base sur les notes prises lors du congrès présentant l’approche DPA (développement du pouvoir d’agir) qui a eu lieu en février 2019 à la HEP Vaud. Notre école a eu la chance d’accueillir des experts formés à cette approche dont Yann Le Bossé, son créateur. Le développement du pouvoir d’agir se propose de redonner aux personnes se retrouvant dans un état (momentané) d’impuissance de se remettre en mouvement. Dans l’idéal, les bénéficiaires de cette approche agiraient d’eux-mêmes pour eux-mêmes. En effet, les personnes leur venant en aide n’occuperaient, au final, qu’une position dite de « passeur ». Dans un premier temps, notre travail présente plus précisément le développement du pouvoir d’agir en tant que cadre théorique afin d’y appuyer, dans un second temps, nos réflexions concernant notre pratique enseignante. En effet, comment pouvons-nous utiliser cette approche DPA dans le cadre scolaire ? Est-elle d’ailleurs vraiment efficace en toutes circonstances ? Et quelles sont nos propres limites en tant qu’enseignants ? Mots-clés : développement du pouvoir d’agir ; DPA ; Yann Le Bossé ; impuissance ; difficultés scolaires ; difficultés personnelles ; théorie ; pratique ; forces et limites ; pas proximal.
Universal quantum fluctuations of a cavity mode driven by a Josephson junction
Creators: name: Armour, A. D.
name: Blencowe, M. P.
name: Brahimi, E.
name: Rimberg, A. J.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We analyze the quantum dynamics of a superconducting cavity coupled to a voltage biased Josephson junction. The cavity is strongly excited at resonances where the voltage energy lost by a Cooper pair traversing the circuit is a multiple of the cavity photon energy. We find that the resonances are accompanied by substantial squeezing of the quantum fluctuations of the cavity over a broad range of parameters and are able to identify regimes where the fluctuations in the system take on universal values.
description: 5 pages, 4 figures
Heringia zetterstedtii Rondani 1856
Creators: name: Sforzi, Alessandra
name: Sommaggio, Daniele
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Syrphidae
Heringia
Heringia zetterstedtii

description: Heringia zetterstedtii Rondani, 1856
ORIGINAL DESCRIPTION: 1856: 53.
TYPE LOCALITY: “ in Suecia [Sweden]” (Zetterstedt 1843: 844) [type locality for Pipiza heringii Zetterstedt, 1843].
TYPE MATERIAL: see Remarks.
CURRENT STATUS: junior synonym of Heringia heringii (Zetterstedt, 1843) (Peck 1988: 83).
REMARKS: Rondani (1856: 53) proposed Heringia as a new genus and identified Pipiza heringii Zetterstedt, 1843 as the type species. Having used the species epithet for the new nominal genus and thinking that the name Heringia heringii was incorrect, Rondani incorrectly substituted it with Heringia zetterstedtii. Schiner (1860: 260, 1864: 111), Verrall (1901: 24), Bezzi & Stein, (1907: 7), Kertész (1910: 11), Lundbeck (1916: 62) and Sack (1928: 20) placed this name in synonymy with Pipiza heringii while Kowarz (1885: 241) considered it as a valid species. The type material for Heringia zetterstedtii will be the same as for the name it was proposed to replace, i. e., Pipiza heringii. For this latter species Claussen et al. (1994: 316) designated a lectotype and a paralectotype in the MZLU. Goeldlin de Tiefenau (in Claussen et al. 1994: 318) incorrectly considered the single Heringia zetterstedtii female in the MZUF as the holotype.
description: Published as part of Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, pp. 1-438 in Zootaxa 4989 (1) on page 252, DOI: 10.11646/zootaxa.4989.1.1, http://zenodo.org/record/4980621
Coupling of single quantum emitters to plasmons propagating on mechanically etched wires
Creators: name: Kumar, Shailesh
name: Huck, Alexander
name: Lu, Ying-Wei
name: Andersen, Ulrik L.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We demonstrate the coupling of a single nitrogen vacancy center in a nanodiamond to propagating plasmonic modes of mechanically etched silver nanowires. The mechanical etch is performed on single crystalline silver nanoplates by the tip of an atomic force microscope cantilever to produce wires with pre-designed lengths. We show that single plasmon propgation can be obtained in these wires, thus making these structures a platform for quantum information processing.
description: 4 pages, 3 figures
Discrete Breathers of Nonlinear Dimer Lattices: Bridging the Anti-continuous and Continuous Limits
Creators: name: Hofstrand, A.
name: Li, H.
name: Weinstein, M. I.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: In this work, we study the dynamics of an infinite array of nonlinear dimer oscillators which are linearly coupled as in the classical model of Su, Schrieffer and Heeger (SSH). The ratio of in-cell and out-of-cell couplings of the SSH model defines distinct $\textit{phases}$: topologically trivial and topologically non-trivial. We first consider the case of weak out-of-cell coupling, corresponding to the topologically trivial regime for linear SSH; for any prescribed isolated dimer frequency, $ω_b$, which satisfies non-resonance and non-degeneracy assumptions, we prove that there are discrete breather solutions for sufficiently small values of the out-of-cell coupling parameter. These states are $2π/ω_b$- periodic in time and exponentially localized in space. We then study the global continuation with respect to this coupling parameter. We first consider the case where $ω_b$, the seeding discrete breather frequency, is in the (coupling dependent) phonon gap of the underlying linear infinite array. As the coupling is increased, the phonon gap decreases in width and tends to a point (at which the topological transition for linear SSH occurs). In this limit, the spatial scale of the discrete breather grows and its amplitude decreases, indicating the weakly nonlinear long wave regime. Asymptotic analysis shows that in this regime the discrete breather envelope is determined by a vector gap soliton of the limiting envelope equations. We use the envelope theory to describe discrete breathers for SSH- coupling parameters corresponding to topologically trivial and, by exploiting an emergent symmetry, topologically nontrivial regimes, when the spectral gap is small. Our asymptotic theory shows excellent agreement with extensive numerical simulations over a wide range of parameters.
‘Our Global Family’: Using Storytelling to Develop Compassion and Acceptance of Cultural Others in Primary School Pupils
Creators: name: Greaves, S.
name: Weymouth, E.
Publisher: name: University of Derby
Year: 2022
Subjects: teaching model
primary school pupils
refugees and migrants

description: The aim of this project was to develop a teaching model that develops understanding, acceptance and compassion amongst primary school pupils towards others, particularly refugees and migrants.
Observing Disk Accretion in Action
Creators: name: Najita, Joan
Publisher: name: Zenodo
Year: 2020

description: Physical processes that redistribute or remove angular momentum from protoplanetary disks can drive mass accretion onto the star and affect the outcome of planet formation. Despite ubiquitous evidence that disks accrete, the process(es) responsible remain unclear. Here we present new results that appear to show disk accretion in action via rapid inflow of molecular gas at the surface of a protoplanetary disk. High-resolution mid-infrared spectroscopy of the Class I source GV Tau N reveals a rich redshifted absorption spectrum of individual lines of acetylene, hydrogen cyanide, ammonia, and water. The properties of the absorption indicate that the flow carries a significant accretion rate, comparable to stellar accretion rates of active T Tauri stars. The results may provide evidence for supersonic “surface accretion flows,” which have been found in MHD simulations of magnetized disks.
PSSOH Agenda 2020
Creators: name: Miljković, Nadica
name: Pejović, Predrag
name: Cvetanović, Miloš
Publisher: name: Zenodo
Year: 2020
Subjects: free software
open-source software
open hardware
electrical engineering
computer science
gender equality
open science

description: Tentative agenda for the third PSSOH conference (http://pssoh.etf.bg.ac.rs/) in English and in Serbian. Preliminarna agenda za treću PSSOH konferenciju (http://pssoh.etf.bg.ac.rs/) na engleskom i srpskom jeziku.
description: Version 3 consists of confirmed additional lecture. Also, typos were corrected. Verzija 3 sadrži potvrđeno novo predavanje. Takođe, ispravljene su greške u kucanju.
Towards the usage of embedded prosthesis sensors for real-life gait analysis of amputee subjects
Creators: name: Manz, Sabina
name: Seifert, Dirk
name: Schmalz, Thomas
name: Köhler, Thomas Maximilian
name: Ernst, Michael
name: Dosen, Strahinja
name: Gonzalez-Vargas, Jose
Publisher: name: Zenodo
Year: 2022

description: Abstract for the Congress of the International Society of Biomechanics 2021.
Rotating Wormholes in Five Dimensions
Creators: name: Dzhunushaliev, Vladimir
name: Folomeev, Vladimir
name: Kleihaus, Burkhard
name: Kunz, Jutta
name: Radu, Eugen
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider rotating Lorentzian wormholes with a phantom field in five dimensions. These wormhole solutions possess equal angular momenta and thus represent cohomogeneity-1 configurations. For a given size of the throat, the angular momenta are bounded by the value of the corresponding extremal Myers-Perry black hole, which represents the limiting configuration. With increasing angular momenta the throat becomes increasingly deformed. At the same time, the violation of the null energy condition decreases to zero, as the limiting configuration is approached. Symmetric wormhole solutions satisfy a Smarr-like relation, which is analogous to the Smarr relation of extremal black holes. A stability analysis shows that the unstable mode of the static wormholes solutions vanishes when the angular momentum exceeds some critical value.
description: 20 pages, 9 figures
More lectures on Hilbert schemes of points on surfaces
Creators: name: Nakajima, Hiraku
Publisher: name: arXiv
Year: 2014
Subjects: subject: Representation Theory (math.RT)
subject: Mathematical Physics (math-ph)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: Primary 14C05, Secondary 14D21, 14J60

description: This paper is based on author's lectures at Kyoto University in 2010 Summer, and in the 6th MSJ-SI `Development of Moduli Theory' at RIMS in June 2013. The purpose of lectures was to review several results on Hilbert schemes of points which were obtained after author's lecture note was written. Among many results, we choose those which are about equivariant homology groups $H^T_*(X^{[n]})$ of Hilbert schemes of points on the affine plane $X = \mathbb C^2$ with respect to the torus action.
description: 31 pages
Quantum Hall Bogoliubov Interferometer
Creators: name: Khrapai, Vadim
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: A quantum Hall interferometer containing a grounded superconducting terminal is proposed. This geometry allows to control the Andreev and normal scattering amplitudes of sub-gap Bogoliubov quasiparticles with the Aharonov-Bohm phase, as well as with the constrictions defining the interferometer loop. The conductance matrix of such a three-terminal NSN interference device exhibits a much richer behavior as compared to its two-terminal Fabry-Pérot counterpart, which is illustrated by non-trivial behavior of non-local charge and heat responses. A single edge version of the interferometer enables full on-demand control of the electron-hole superposition, including resonant enhancement of arbitrary small Andreev reflection probability up to 1, and can be used as a building block in future more complex interference setups.
description: as published
A Study of Millimeter Variability in FUor Objects
Creators: name: Wendeborn, John
Publisher: name: Zenodo
Year: 2020

description: FUor objects (a class of outbursting, young, pre-main sequence stars) have been shown to be variable at millimeter wavelengths on timescale of ~years. We find that the object V1735 Cyg exhibited a ~80% increase in 2.7 mm flux between 2014 and 2017. It does not show corresponding variability at optical/NIR wavelengths, but shows a decrease in the millimeter spectral index. This implies that the mllimeter flux increase may be due to an accretion event which increased the contribution from free-free emission in the jet. This result shows that an FUor disk mass obtained from millimeter flux may be overestimated if the object has recently undergone recent accretion activity.
Thermodynamic Functions of Magnetized Coulomb Crystals
Creators: name: Baiko, D. A.
name: Yakovlev, D. G.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Free energy, internal energy, and specific heat for each of the three phonon spectrum branches of a magnetized Coulomb crystal with body-centered cubic lattice are calculated by numerical integration over the Brillouin zone in the range of magnetic fields $B$ and temperatures $T$, such that $0 \le ω_{\rm B}/ω_{\rm p}\le 10^3$ and $10^{-4} \le T/T_{\rm p} \le 10^4$. In this case, $ω_{\rm B}$ is the ion cyclotron frequency, $ω_{\rm p}$ and $T_{\rm p}$ are the ion plasma frequency and plasma temperature, respectively. The results of numerical calculations are approximated by simple analytical formulas. For illustration, these formulas are used to analyze the behavior of the heat capacity in the crust of a neutron star with strong magnetic field. Thermodynamic functions of magnetized neutron star crust are needed for modeling various observational phenomena in magnetars and high magnetic field pulsars.
description: 11 pages, 9 figures; accepted to MNRAS
Enhanced neutrino polarizability
Creators: name: Bansal, Saurabh
name: Paz, Gil
name: Petrov, Alexey
name: Tammaro, Michele
name: Zupan, Jure
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We point out that neutrinos can have enhanced couplings to photons, if light (pseudo)scalar mediators are present, resulting in potentially measurable neutrino polarizability. We show that the expected suppression from small neutrino masses can be compensated by the light mediator mass, generating dimension 7 Rayleigh operators at low scales. We explore the rich phenomenology of such models, computing in details the constraints on the viable parameter space, spanned by the couplings of the mediator to neutrinos and photons. Finally, we build several explicit models that lead to enhanced neutrino polarizability by modifying the inverse see-saw majoron, i.e., the pseudo-Nambu-Goldstone boson of the $U(1)_L$ global lepton number responsible for generating small neutrino masses.
description: 48 pages, 9 figures. v2: Improved star cooling discussion. Corrected bound from Xenon-nT. Added recast of monophoton searches discussion and EFT bound. Submitted to JHEP
Universal Chern-Simons partition functions as quadruple Barnes' gamma-functions
Creators: name: Mkrtchyan, R. L.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 11M41, 22C05

description: We show that both perturbative and non-perturbative parts of universal partition functions of Chern-Simons theory on 3d sphere are ratios of four over four Barnes' quadruple gamma functions with arguments given by linear combinations of universal parameters. Since nonperturbative part of partition function is essentially a universal compact simple Lie group's volume, latter appears to be expressed through quadruple Barnes' functions, also. For SU(N) values of parameters recurrent relations on Barnes' functions give the proof of level-rank duality of complete partition function, thus extending that duality on non-integer level and rank. We note that integral representation of universal partition function is defined on few disjoint regions in parameters' space, corresponding to different signs of real parts of parameters, and introduce a framework for discussion of analytic continuation of partition functions(s) from these regions. Although initial integral representation is symmetric under all permutations of parameters (which corresponds particularly to $N \rightarrow -N$ duality of gauge theories with classical groups), analytic continuations are not symmetric under transposition of parameters with different signs of their real parts. For the particular case of SU(N) Chern-Simons this asymmetry appears to be the Kinkelin's functional equation (reflection relation) for Barnes' G-function.
description: 15 pages
On critically coupled (s_1, s_2)-fractional system of Schrödinger equations with Hardy potential
Creators: name: Kumar, Rohit
name: Mukherjee, Tuhina
name: Sarkar, Abhishek
Publisher: name: arXiv
Year: 2022
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35R11, 47G30

description: In this article, our main concern is to study the existence of bound and ground state solutions for the following fractional system of Schrödinger equations with Hardy potentials: \begin{equation*} \left\{ \begin{aligned} (-Δ)^{s_{1}} u - λ_{1} \frac{u~~}{|x|^{2s_{1}}} - u^{2_{s_{1}}^{*}-1} = ναh(x) u^{α-1}v^β & \quad \mbox{in} ~ \mathbb{R}^{N}, (-Δ)^{s_{2}} v - λ_{2} \frac{v~~}{|x|^{2s_{2}}} - v^{2_{s_{2}}^{*}-1} = νβh(x) u^αv^{β-1} & \quad \mbox{in} ~ \mathbb{R}^{N}, u,v >0 \quad \mbox{in} ~ \mathbb{R}^{N} \setminus \{0\}, \end{aligned} \right. \end{equation*} where $s_{1},s_{2} \in (0,1)~\text{and}~λ_{i}\in (0, Λ_{N,s_{i}})$ with $Λ_{N,s_{i}} = 2 π^{N/2} \frac{Γ^{2}(\frac{N+2s_i}{4}) Γ(\frac{N+2s_i}{2})}{Γ^{2}(\frac{N-2s_i}{4}) ~|Γ(-s_{i})|}, (i=1,2)$. By imposing certain assumptions on the parameters and on the function h, we obtain ground-state solutions using the concentration-compactness principle and the mountain-pass theorem.
Merodon canipilus Rondani 1865
Creators: name: Sforzi, Alessandra
name: Sommaggio, Daniele
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Syrphidae
Merodon
Merodon canipilus

description: Merodon canipilus Rondani, 1865
ORIGINAL DESCRIPTION: 1865a: 131.
TYPE LOCALITY: “ in colle sub-apennino ditionis Parmensis [Parmese sub-Apennine hill (Italy)]”.
TYPE MATERIAL: 1 ♂, lectotype (MZUF: Box 2): Merodon Fb. Latr. / canipilus Rnd., ♂ / 52.
CURRENT STATUS: junior synonym of Merodon clavipes (Fabricius, 1781) (Peck 1988: 169, Hurkmans 1993: 178, Belcari et al. 1995a: 16).
REMARKS: Rondani (1865a: 131) described Merodon canipilus from just the male sex, without specifying either the number or the length of the specimens: “ Semel captus mas [once the male collected]”. Hurkmans (1993: 178) designated a lectotype (♂).
description: Published as part of Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, pp. 1-438 in Zootaxa 4989 (1) on page 255, DOI: 10.11646/zootaxa.4989.1.1, http://zenodo.org/record/4980621
Resolving a merger in a hyper-luminous submillimeter galaxy at z=2.82
Creators: name: Perry, R. W.
name: Chapman, S. C.
name: Smail, Ian
name: Bertoldi, F.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the resolved properties of the $z=2.82$ Hyper Luminous Infrared Galaxy (HyLIRG) HS170850.1, the brightest 850$μ$m source found in the SCUBA-2 followup to the Keck Baryonic Structure Survey fields (S$_{\rm 850 μm}=$19.5 mJy), and amongst the most luminous starbursts known at any redshift. Using the IRAM-NOEMA interferometer in the highest resolution A-configuration, we resolve the source into two components separated by $\sim$8 kpc, visible as blue shifted and red shifted $^{12}$CO(5-4) lines, exhibiting the expected kinematic properties of a major merger between two gas-rich galaxies. The combined merger system is traced over 2.3$''$ or 18.3 kpc. Each component of the merger shows ordered gas motions suggestive of a massive, turbulent disk. We measure the masses of the blue and red disks as (1.5 $\pm$ 0.2) $\times10^{11}$ M$_\odot$ and (0.71 $\pm$ 0.22) $\times10^{11}$ M$_\odot$ respectively. The more massive disk component shows broad wings in the CO line, offset by $\sim$3 kpc from the disk centroid along the major axis, and extending to velocities $\sim\pm$1000 km $ \rm{s^{-1}}$ from systemic velocity. We interpret this as either a possible bipolar outflowing component, or more likely a warping or tidal structure in the CO disk. Comparing the properties of HS170850.1 to other submillimeter detected galaxies with comparably bright 850$μ$m luminosities suggests that ongoing gas-rich mergers, or at least a clustered/group environment lead to these most extreme starburst phases.
description: 13 pages, 5 Figures, 2 Tables
Generalized constructive tree weights
Creators: name: Rivasseau, Vincent
name: Tanasa, Adrian
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Combinatorics (math.CO)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The Loop Vertex Expansion (LVE) is a quantum field theory (QFT) method which explicitly computes the Borel sum of Feynman perturbation series. This LVE relies in a crucial way on symmetric tree weights which define a measure on the set of spanning trees of any connected graph. In this paper we generalize this method by defining new tree weights. They depend on the choice of a partition of a set of vertices of the graph, and when the partition is non-trivial, they are no longer symmetric under permutation of vertices. Nevertheless we prove they have the required positivity property to lead to a convergent LVE; in fact, we formulate this positivity property precisely for the first time. Our generalized tree weights are inspired by the Brydges-Battle-Federbush work on cluster expansions and could be particularly suited to the computation of connected functions in QFT. Several concrete examples are explicitly given.
description: 22 pages, 2 figures
Generating infinite-dimensional algebras from loop algebras by expanding Maurer Cartan forms
Creators: name: Caroca, R.
name: Merino, N.
name: Salgado, P.
name: Valdivia, O.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: It is shown that the expansion methods developed in refs. arXiv:hep-th/0212347 and arXiv:hep-th/0401033v2 can be generalized so that they permit to study the expansion of algebras of loops, both when the compact finite-dimensional algebra and the algebra of loops have a decomposition into two subspaces.
description: 18 pages, no figures
A new approach on helices in pseudo-Riemannian manifolds
Creators: name: Zıplar, Evren
name: Yaylı, Yusuf
name: Gök, İsmail
Publisher: name: arXiv
Year: 2013
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: In this paper, we give a definition of harmonic curvature functions in terms of V_{n} and define a new kind of slant helix which is called V_{n}-slant helix in n-dimensional pseudo-Riemannian manifold. Also, we give important characterizations about the helix.
description: arXiv admin note: substantial text overlap with arXiv:1305.7043
Chemical analysis of early-type stars with planets
Creators: name: Alacoria, Jose
Publisher: name: Zenodo
Year: 2020

description: Several studies in the literature study the chemical composition of sun-like FGK stars with and without planets, while early-type stars are comparatively poorly studied. In this work, we present some preliminary results of the chemical pattern found in a sample of early-type stars (mostly A spectral types) with and without planets. One of the aims of the present work consists of analyzing the possible relationship between the presence of planets and the refractory-poor lambda Bootis stars. We also want to test a hypothesis proposed in the literature, in which the winds from a near hot-Jupiter planet could produce the accretion of volatile elements on the atmosphere of these early-type stars.
Entanglement generation and quantum information transfer between spatially-separated qubits in different cavities
Creators: name: Yang, Chui-Ping
name: Su, Qi-Ping
name: Nori, Franco
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The generation and control of quantum states of spatially-separated qubits distributed in different cavities constitute fundamental tasks in cavity quantum electrodynamics. An interesting question in this context is how to prepare entanglement and realize quantum information transfer between qubits located at different cavities, which are important in large-scale quantum information processing. In this paper, we consider a physical system consisting of two cavities and three qubits. Two of the qubits are placed in two different cavities while the remaining one acts as a coupler, which is used to connect the two cavities. We propose an approach for generating quantum entanglement and implementing quantum information transfer between the two spatially-separated intercavity qubits. The quantum operations involved in this proposal are performed by a virtual photon process, and thus the cavity decay is greatly suppressed during the operations. In addition, to complete the present tasks, only one coupler qubit and one operation step are needed. Moreover, there is no need of applying classical pulses, so that the engineering complexity is much reduced and the operation procedure is greatly simplified. Finally, our numerical results illustrate that high-fidelity implementation of this proposal using superconducting phase qubits and one-dimenstion transmision line resonators is feasible for current circuit QED implementations. This proposal can also be applied to other types of superconducting qubits, including flux and charge qubits.
description: 10 pages, 4 figures
Apsidal motion and absolute parameters for five LMC eccentric eclipsing binaries
Creators: name: Zasche, P.
name: Wolf, M.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Aims: As part of our observational projects at the La Silla Danish 1.54-meter telescope, we aim to measure the precise times of minimum light for eccentric eclipsing binaries in the Large Magellanic Cloud, needed for accurate determination of apsidal motion. Many new times of minima were derived from the photometric databases OGLE and MACHO. Several new minima were also observed. Five early-type and eccentric-orbit eclipsing binaries: HV 982 (P = 5.34 d, e = 0.15), HV 2274 (5.73 d, 0.17), MACHO 78.6097.13 (3.11 d, 0.05), MACHO 81.8881.47 (3.88 d, 0.22), and MACHO 79.5377.76 (2.64 d, 0.06) were studied. Methods: The O-C diagrams of the systems were analysed using all reliable timings found in the literature, and new or improved elements of apsidal motion were obtained. Light and radial velocity curves of MACHO 81.8881.47 and MACHO 79.5377.76 were analysed using the program PHOEBE. Results: We derived for the first time or significantly improved the relatively short periods of apsidal motion of 211 (12), 127 (8), 48 (13), 103 (20), and 42 (19) years, respectively. The internal structure constants, log k2, were found to be -2.37, -2.47, -2.17, -2.02, and -1.86 respectively, under the assumption that the component stars rotate pseudosynchronously. The relativistic effects are weak, up to 6% of the total apsidal motion rate. The masses for MACHO 81.8881.47 resulted in 5.51 (0.21) and 5.40 (0.19) M0, while for MACHO 79.5377.76 the masses are 11.26 (0.35) and 11.27 (0.35) M0, respectively.
description: 12 pages, 11 figures, published in 2013A&A...558A..51Z
Merodon italicus Rondani 1845
Creators: name: Sforzi, Alessandra
name: Sommaggio, Daniele
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Syrphidae
Merodon
Merodon italicus

description: Merodon italicus Rondani, 1845
ORIGINAL DESCRIPTION: 1845f: 257 (key), 259 (description).
TYPE LOCALITY: “ in Italia [Italy]” (Fabricius 1794: 283) [type locality for Merodon natans (Fabricius, 1794)].
TYPE MATERIAL: see Remarks.
CURRENT STATUS: junior synonym of Merodon natans Fabricius, 1794 (Peck 1988: 172); valid species (Vujić et al. 2011: 83); unnecessary substitute name for Merodon natans Fabricius, 1794 and junior synonym of Merodon natans Fabricius, 1794 (this work).
REMARKS: Rondani (1845f: 257) considered the females of Merodon natans (Fabricius, 1794) and the males of Merodon melancholicus (Fabricius, 1794) as belonging to the same species but, instead of applying the Principle of Priority, incorrectly proposed the substitute name Merodon italicus (1845f: 257). He later (Rondani 1857: 62) reaffirmed his proposing to combine Merodon melancholicus and Merodon natans. Merodon italicus was considered as a synonym of Merodon melancholicus by Schiner (1860: 347, 1864: 108) and Bezzi & Stein (1907: 119) and as a synonym of Merodon natans by Kertész (1910: 277), Sack (1931: 322) and Peck (1988: 172). Vujić et al. (2011: 83) incorrectly considered Merodon italicus as a valid species and senior synonym of Merodon longicornis Sack, 1913. The type material for Merodon italicus will be the same as for the name it was proposed to replace, i. e., Merodon natans. The type material of this latter species is preserved in the ZMUC (Michelsen 2017: 17). Hurkmans (1993: 191) incorrectly designated one of the three females in the MZUF as lectotype.
description: Published as part of Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, pp. 1-438 in Zootaxa 4989 (1) on page 256, DOI: 10.11646/zootaxa.4989.1.1, http://zenodo.org/record/4980621
title: De l'esprit critique dans le cursus gymnasial de philosophie
title: De l'esprit critique dans le cursus gymnasial de philosophie
titleType: AlternativeTitle
Creators: name: Puteo, Adriele
Publisher: name: Unknown
Year: 0
Subjects: subject: Esprit critique
subject: John Dewey
subject: Gymnase
subject: Compétence
subject: Philosophie
subject: Logique
subject: Enquête

description: Il s’agit ici de partir d’un constat pratique : Les jeunes s’informent aujourd’hui selon des canaux qui leur délivre nt une information immédiate et souvent non vérifiée. Se retrouvant seuls devant ce flux d’informations, ils demeurent aujourd’hui plus qu’hier vulnérables à ce que nous avons nommé le prêt à penser . Aussi, si le rôle de l’enseignement secondaire relève du développement de l’esprit critique chez les élèves, commençons par définir ce que cela veut dire et ce que cela implique dans un enseignement philosophique au quotidien Au travers de ce mémoire nous rendr ons compte de l’émergence du courant pédagogique qui s’attèle à une réflexion et milite pour la promotion de l’esprit critique dans l’enseignement. Nous y retrouverons un des pionniers en la personne de John Dewey. Nous ferons alors un rapide état de l’évolution de ce courant entre 1910 et nos jours Nous nous appliquerons par la suite à tirer quelques définitions de ce que peut bien être l’espr it critique . Nous verrons à cette occasion qu’aujourd’hui encore cette question est sujette débat. Au même titre que les grecs s’interrogeaient sur la vertu, peut on enseigner l’esprit critique où est il une dispos i tion innée et/ou conditionnée par le milieu social ? Ce mémoire se propose comme une réflexion thématique comportant un moment philosophique et un moment pédagogique. Il n’a pas la prétention d’apporter des réponses aux débats actuels mais plutôt une prise de position personnelle et une interrogation sur la posture de l’enseignant dans le cadre d’un cours de philosophie Un enseignement visant le développement de l’esprit crit ique doit par essence dépasser les murs de la salle de classe et le cadre de l’établissement scolaire Il doit apporter une réelle plus value que l’élève d evrait pouvoir mobiliser dans ses expériences futures de citoyen responsable.
Transduction of single nanomechanical pillar resonators by scattering of surface acoustic waves
Creators: name: Kähler, Hendrik
name: Arthaber, Holger
name: Winkler, Robert
name: West, Robert G.
name: Ignat, Ioan
name: Plank, Harald
name: Schmid, Silvan
Publisher: name: arXiv
Year: 2022
Subjects: subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: One of the challenges of nanoelectromechanical systems (NEMS) is the effective transduction of the tiny resonators. Vertical structures, such as nanomechanical pillar resonators, which are exploited in a wide range of fields, such as optomechanics, acoustic metamaterials, and nanomechanical sensing, are particularly challenging to transduce. Existing electromechanical transduction methods are ill-suited as they complicate the pillars' fabrication process, put constraints on the pillars' material, and do not enable a transduction of freestanding pillars. Here, we present an electromechanical transduction method for single nanomechanical pillar resonators based on surface acoustic waves (SAWs). We demonstrate the transduction of freestanding nanomechanical platinum-carbon pillars in the first-order bending and compression mode. Since the principle of the transduction method is based on resonant scattering of a SAW by a nanomechanical resonator, our transduction method is independent of the pillar's material and not limited to pillar-shaped geometries. It represents a general method to transduce vertical mechanical resonators with nanoscale lateral dimensions.
description: 24 pages, 6 figures
title: Bien-être au travail chez les enseignants du Secondaire 2, développement du pouvoir d'agir et psychologie positive
title: Bien-être au travail chez les enseignants du Secondaire 2, développement du pouvoir d'agir et psychologie positive
titleType: AlternativeTitle
Creators: name: Meuwly Schenk, Michèle
Publisher: name: Unknown
Year: 0
Subjects: subject: Psychologie positive
subject: Bien-être hédonique
subject: Bien-être eudémonique
subject: Bien-être au travail,
subject: Développement du pouvoir d’agir
subject: Pistes d’action

description: Ce travail aborde la question du bien-être au travail des enseignants du Sec. 2 à travers le prisme de deux approches complémentaires : le développement du pouvoir d’agir et la psychologie positive. Toutes deux s’intéressent prioritairement à redonner le pouvoir d’agir aux personnes afin de sortir de situations d’impuissance et trouver les clés d’un fonctionnement optimal en vue de s’épanouir dans leur vie. L’état des lieux de la recherche sur les différentes sortes de bien-être (hédonique, eudémonique ou optimal) et leurs déterminants, nous montre la grande diversité des outils de mesure existants. Nous nous basons sur deux outils de mesure validés, le Satisfaction With Life Scale (Diener et al, 1985) pour le bien-être hédonique et sur l’Index de bien-être psychologique au travail (Dagenais-Desmarais, 2010) comprenant cinq déterminants mesurant le bien-être eudémonique. Notre but est de découvrir les déterminants du bien-être les mieux et les moins bien développés, et si le bien-être est en lien direct avec le pouvoir d’agir. Notre questionnaire étant orienté sur ce qui va bien, les résultats ont montré que les enseignants qui ont répondu au questionnaire ont un niveau élevé de bien-être (plus de 70%). Les relations avec leurs collègues sont particulièrement positives pour la grande majorité, et la perception de leurs compétences est très haute ; par contre la reconnaissance perçue est limitée et l’envie de s’impliquer davantage dans leur travail est plutôt mitigée. Le pouvoir d’agir semble être en lien direct avec le bien-être, bien que notre questionnaire n’ait pas permis de le prouver précisément. Finalement, sur la base de résultats d’études scientifiques, nous avons proposé des pistes d’amélioration du bien-être au travail telles que le développement des forces de caractère et la pratique de la gratitude.
SINGLE MOLECULE TRACKING: FROM CULTURES TO SLICES
Creators: name: Ferreira, Joana
Publisher: name: Zenodo
Year: 2022
Subjects: Neuroscience, Advance Imaging, Super-resolution Microscopy

description: Presentation on the Advanced Imaging Course, part of the PhD Programme in Experimental Biology and Biomedicine, CNC-UC, on 1/02/2022.
Minimizing Separatrix Crossings through Isoprominence
Creators: name: Burby, Joshua W.
name: Duignan, Nathan
name: Meiss, James D.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: A simple property of magnetic fields that minimizes bouncing to passing type transitions of guiding center orbits is defined and discussed. This property, called isoprominence, is explored through the framework of a near-axis expansion. It is shown that isoprominent magnetic fields for a toroidal configuration exist to all orders in a formal expansion about a magnetic axis. Some key geometric features of these fields are described.
description: 17 pages, 7 figures
title: Étude comparative de l'activité des élèves en basketball traditionnel et en streetball
title: Étude comparative de l'activité des élèves en basketball traditionnel et en streetball
titleType: AlternativeTitle
Creators: name: Feniès, Corentin
name: Mayencourt, Gil
Publisher: name: Unknown
Year: 0
Subjects: subject: quantité de mouvement
subject: intérêt en situation
subject: éducation physique
subject: podomètre
subject: basketball
subject: streetball

description: Dans le cadre de ce mémoire, nous avons effectué une étude comparative entre deux formes de basketball, à savoir, le basketball 5 contre 5 (5vs5) sous deux paniers et le basketball 3 contre 3 (3vs3) sous un panier. Dès lors, nous nous sommes posé la question suivante : lors d’un cycle de basketball en EPS au secondaire II, quels sont les impacts de la pratique du jeu 3vs3 sur la quantité de mouvement, l’intérêt en situation et la charge cognitive des élèves, ceci vis-à-vis du mode de jeu 5vs5 ? Cette étude menée sur dix étudiants de 1ère année d’école de commerce, d’école de culture générale et d’école de maturité (âge : 16.5 ± 2) mêle donc recueil des données quantitatives à l’aide de podomètres et recueil de données qualitatives à l’aide de questionnaires. Les résultats montrent de manière générale que, pour un volume de jeu équivalent, le nombre de pas moyen est 15% plus élevé en 5vs5 qu’en 3vs3. Plus spécifiquement, la différence de pas entre les deux pratiques pour un même sujet a tendance à se creuser quand la quantité de mouvement est globalement élevée. À l’inverse, quand celle-ci est plus basse, la différence interpratique a tendance à s’amenuiser, voire à s’inverser (le sujet fait plus de pas en 3vs3 qu’en 5vs5). Enfin, les différences de déplacements entre les sujets sont plus marquées en 5vs5 qu’en 3vs3 avec lequel la quantité de mouvement entre les individus est plus uniforme. Dans le cadre strict de notre échantillon, nous avons pu constater que le 3vs3 n’a pas fait plus bouger les élèves que le 5vs5. Cependant, le mode de jeu 3vs3 favorise l’homogénéité de la quantité de mouvement de l’ensemble des élèves. De plus, il induirait une quantité de mouvement plus élevée chez des élèves qui affichent des performances les moins bonnes en termes de nombre de pas. En guise d’ouverture, nous pourrions transférer notre réflexion à d’autres sports collectifs pratiqués couramment en milieu scolaire et offrant aussi des possibilités d’effectifs diverses.
The mass-metallicity relation at z~1.4 revealed with Subaru/FMOS
Creators: name: Yabe, Kiyoto
name: Ohta, Kouji
name: Iwamuro, Fumihide
name: Akiyama, Masayuki
name: Tamura, Naoyuki
name: Yuma, Suraphong
name: Kimura, Masahiko
name: Takato, Naruhisa
name: Moritani, Yuki
name: Sumiyoshi, Masanao
name: Maihara, Toshinori
name: Silverman, John
name: Dalton, Gavin
name: Lewis, Ian
name: Bonfield, David
name: Lee, Hanshin
name: Curtis-Lake, Emma
name: Macaulay, Edward
name: Clarke, Fraser
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present a stellar mass-metallicity relation at z~1.4 with an unprecedentedly large sample of ~340 star-forming galaxies obtained with FMOS on the Subaru Telescope. We observed K-band selected galaxies at 1.2 < z_{ph} < 1.6 in the SXDS/UDS fields with M_{*} > 10^{9.5} M_{\sun}, and expected F(Hα) > 5 \times 10^{-17} erg s^{-1} cm^{-2}. Among the observed ~1200 targets, 343 objects show significant Hαemission lines. The gas-phase metallicity is obtained from [NII]λ6584/Hαline ratio, after excluding possible active galactic nuclei (AGNs). Due to the faintness of the [NII]λ6584 lines, we apply the stacking analysis and derive the mass-metallicity relation at z~1.4. Our results are compared to past results at different redshifts in the literature. The mass-metallicity relation at z~1.4 is located between those at z~0.8 and z~2.2; it is found that the metallicity increases with decreasing redshift from z~3 to z~0 at fixed stellar mass. Thanks to the large size of the sample, we can study the dependence of the mass-metallicity relation on various galaxy physical properties. The average metallicity from the stacked spectra is close to the local FMR in the higher metallicity part but >0.1 dex higher in metallicity than the FMR in the lower metallicity part. We find that galaxies with larger E(B-V), B-R, and R-H colours tend to show higher metallicity by ~0.05 dex at fixed stellar mass. We also find relatively clearer size dependence that objects with smaller half light radius tend to show higher metallicity by ~0.1 dex at fixed stellar mass, especially in the low mass part.
description: 18 pages, 13 figures, 3 tables, MNRAS accepted
Inference in conditioned dynamics through causality restoration
Creators: name: Braunstein, Alfredo
name: Catania, Giovanni
name: Dall'Asta, Luca
name: Mariani, Matteo
name: Muntoni, Anna Paola
Publisher: name: arXiv
Year: 2022
Subjects: subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Machine Learning (cs.LG)
subject: Populations and Evolution (q-bio.PE)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences
subject: FOS: Biological sciences

description: Computing observables from conditioned dynamics is typically computationally hard, because, although obtaining independent samples efficiently from the unconditioned dynamics is usually feasible, generally most of the samples must be discarded (in a form of importance sampling) because they do not satisfy the imposed conditions. Sampling directly from the conditioned distribution is non-trivial, as conditioning breaks the causal properties of the dynamics which ultimately renders the sampling procedure efficient. One standard way of achieving it is through a Metropolis Monte-Carlo procedure, but this procedure is normally slow and a very large number of Monte-Carlo steps is needed to obtain a small number of statistically independent samples. In this work, we propose an alternative method to produce independent samples from a conditioned distribution. The method learns the parameters of a generalized dynamical model that optimally describe the conditioned distribution in a variational sense. The outcome is an effective, unconditioned, dynamical model, from which one can trivially obtain independent samples, effectively restoring causality of the conditioned distribution. The consequences are twofold: on the one hand, it allows us to efficiently compute observables from the conditioned dynamics by simply averaging over independent samples. On the other hand, the method gives an effective unconditioned distribution which is easier to interpret. The method is flexible and can be applied virtually to any dynamics. We discuss an important application of the method, namely the problem of epidemic risk assessment from (imperfect) clinical tests, for a large family of time-continuous epidemic models endowed with a Gillespie-like sampler. We show that the method compares favorably against the state of the art, including the soft-margin approach and mean-field methods.
description: 22 pages, 7 figures
Warm Vector Inflation
Creators: name: Setare, M. R.
name: Kamali, V.
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In this paper we introduce the "warm vector inflation" scenario. In warm inflation scenario radiation is produced during the inflation epoch and reheating is avoided. Slow-roll and perturbation parameters of this model are presented. We develop our model using intermediate inflation model. In this case, the model is compatible with observational data. We also study the model using another exact cosmological solution, named logamediate scenario. We present slow-roll and Hubble parameters, power spectrum and tensor-scalar ratio in terms of inflaton. The model is compatible with WMAP7 and Planck observational data.
description: 23 pages, 8 figures. Accepted for publication in PLB (2013)
Merodon montanus Rondani 1857
Creators: name: Sforzi, Alessandra
name: Sommaggio, Daniele
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Syrphidae
Merodon
Merodon montanus

description: Merodon montanus Rondani, 1857
ORIGINAL DESCRIPTION: 1857: 54 (key), 63 (description).
TYPE LOCALITY: “ in apennino Parmensi … in Pedemontio [Parmese Apennines … Piedmont (Italy)]”.
TYPE MATERIAL: 1 ♀, syntype (MZUF: Box 2): Merodon Fb. Latr. / constans Rossi montanus Rnd., Apenn. [= Apennines] / 62 / Merodon constans Rossi det. Hurkmans, 1987; 1 specimen, syntype (sex not determinable, abdomen partially eaten by dermestids) (MSNC: Box DIPTERA Ex collezione Rondani - I): Merodon montanus Rnd. 369 Apenn. [= Apennines] / Coll. Rondani, scatola n° 5, posiz. A-3 / Museo di Storia Naturale Università di Pisa, Calci (PI) ex collezione Rondani.
CURRENT STATUS: junior synonym of Merodon constans (Rossi, 1794) (Peck 1988: 169, Belcari et al. 1995a: 16).
REMARKS: Rondani (1857: 63) described both sexes of Merodon montanus from two females and an unspecified number of males: “ Foeminas duas legi … in apennino Parmensi. Mas rarissimo in Pedemontio lectus a Bellardi [I collected two females in Parmensi Apennines … The male, very uncommon, collected in Piedmont by Bellardi]”. We found two syntypes. Not included in the type series are an additional two males, one each in the MZUF and MSNPV, from “Apenn.” [= Apennines], which is not the type locality for the male.
description: Published as part of Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, pp. 1-438 in Zootaxa 4989 (1) on page 256, DOI: 10.11646/zootaxa.4989.1.1, http://zenodo.org/record/4980621