cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Scarring and the statistics of tunnelling
Creators: name: Creagh, Stephen C.
name: Lee, Soo-Young
name: Whelan, Niall D.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We show that the statistics of tunnelling can be dramatically affected by scarring and derive distributions quantifying this effect. Strong deviations from the prediction of random matrix theory can be explained quantitatively by modifying the Gaussian distribution which describes wavefunction statistics. The modified distribution depends on classical parameters which are determined completely by linearised dynamics around a periodic orbit. This distribution generalises the scarring theory of Kaplan [Phys. Rev. Lett. {\bf 80}, 2582 (1998)] to describe the statistics of the components of the wavefunction in a complete basis, rather than overlaps with single Gaussian wavepackets. In particular it is shown that correlations in the components of the wavefunction are present, which can strongly influence tunnelling-rate statistics. The resulting distribution for tunnelling rates is tested successfully on a two-dimensional double-well potential.
description: 20 pages, 4 figures, submitted to Ann. Phys
Hadronic and hadron-like physics of Dark Matter
Creators: name: Beylin, Vitaly
name: Khlopov, Maxim Yu.
name: Kuksa, Vladimir
name: Volchanskiy, Nikolay
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The problems of simple elementary weakly interacting massive particles (WIMPs) appeal to extend the physical basis for nonbaryonic dark matter. Such extension involves more sophisticated dark matter candidates from physics beyond the Standard Model (BSM) of elementary particles. We discuss several models of dark matter, predicting new colored, hyper-colored or techni-colored particles and their accelerator and non-accelerator probes. The nontrivial properties of the proposed dark matter candidates can shed new light on the dark matter physics. They provide interesting solutions for the puzzles of direct and indirect dark matter search.
description: 39 pages; matches published version
Dipole and Quadrupole Skyrmions in S=1 (Pseudo)Spin Systems
Creators: name: Mikushina, N. A.
name: Moskvin, A. S.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In terms of spin coherent states we have investigated topological defects in 2D S=1 (pseudo)spin quantum system with the bilinear and biquadratic isotropic exchange in the continuum limit. The proper Hamiltonian of the model can be written as bilinear in the generators of SU(3) group (Gell-Mann matrices). The knowledge of such group structure allows us to obtain some new exact analytical results. Analysing the proper classical model we arrive at different skyrmionic solutions with finite energy and the spatial distribution of spin-dipole and/or spin-quadrupole moments termed as dipole, quadrupole, and dipole-quadrupole skyrmions, respectively. Among the latter we would like note the in-plane vortices with the in-plane distribution of spin moment, varying spin length, and the non-trivial distribution of spin-quadrupole moments.
description: 20 pages, no figures
Quedius (Microsaurus) lih SMETANA 2004
Creators: name: Ejean
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Quedius
Quedius lih

description: Quedius (Microsaurus) lih SMETANA, 2004
 Quedius lih SMETANA, 2004: 98 (Quedius; subgenus Microsaurus; description)
N e w r e c o r d. CHINA: Sichuan, road Luding to Ya’an, Erlang Shan pass, W slope, 2800- 2920 m, VI.-VII. 2007, leg. Puchner, 2 (ASC, NMW).
C o m m e n t s. Two additional specimens from the type locality. The species is at present known only from the Erlang Shan pass.
description: Published as part of Ejean, 2015, Contributions to the knowledge of the Quediina (Coleoptera: Staphylinidae: Staphylinini) of China. Part 56. Genus Quedius STEPHENS, 1829 Subgenus Microsaurus DEJEAN, 1833. Section 23, pp. 1843-1854 in Linzer biologische Beiträge 47 (2) on page 1851, DOI: 10.5281/zenodo.5285994
Quedius (Raphirus) gang SMETANA 1996
Creators: name: Tephens
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Quedius
Quedius gang

description: Quedius (Raphirus) gang SMETANA, 1996
 Quedius gang SMETANA, 1996: 232 (Quedius; subgenus Raphirus; description).
N e w r e c o r d s: Fujian: Wushan City, Guadun vill., 27°44’N 117°38’E, 1200-1600 m, 26.V.2012, Peng & Dai leg., 2 spec. (ASC, SNUC). GuanxI: Jinxiu County, Dayaoshan N.R., 850- 950 m, 24.VII.2011, Hu & Yin leg., 1 spec. (SNUC).
C o m m e n t s. This is the first record from Guanxi. The species was until now known only from Fujian.
description: Published as part of Tephens, 2015, Contributions to the knowledge of the Quediina (Coleoptera: Staphylinidae, Staphylinini) of China. Part 52. Genus Quedius STEPHENS, 1829. Subgenus Raphirus STEPHENS, 1829. Section 14. Genus Quetarsius SMETANA, 1996. Section 1., pp. 1855-1864 in Linzer biologische Beiträge 47 (2) on page 1859, DOI: 10.5281/zenodo.5286063
Mesoscopic description of the adiabatic piston: kinetic equations and $\mathcal H$-theorem
Creators: name: Khalil, Nagi
Publisher: name: arXiv
Year: 2019
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: The adiabatic piston problem is solved at the mesoscale using a Kinetic Theory approach. The problem is to determine the evolution towards equilibrium of two gases separated by a wall with only one degree of freedom (the adiabatic piston). A closed system of equations for the distribution functions of the gases conditioned to a position of the piston and the distribution function of the piston is derived from the Liouville equation, under the assumption of a generalized molecular chaos. It is shown that the resulting kinetic description has the canonical equilibrium as a steady-state solution. Moreover, the Boltzmann entropy, which includes the motion of the piston, verifies the $\mathcal H$-theorem. The results are generalized to any short-ranged repulsive potentials among particles and include the ideal gas as a limiting case.
description: 25 pages, 2 figures
Kerr-Newman solution as a Dirac particle
Creators: name: Arcos, H. I.
name: Pereira, J. G.
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: For m^2 < a^2 + q^2, with m, a, and q respectively the source mass, angular momentum per unit mass, and electric charge, the Kerr--Newman (KN) solution of Einstein's equation reduces to a naked singularity of circular shape, enclosing a disk across which the metric components fail to be smooth. By considering the Hawking and Ellis extended interpretation of the KN spacetime, it is shown first that, similarly to the electron-positron system, this solution presents four inequivalent classical states. Next, it is shown that due to the topological structure of the extended KN spacetime it does admit states with half-integral angular momentum. This last property is corroborated by the fact that, under a rotation of the space coordinates, those inequivalent states transform into themselves only after a 4pi rotation. As a consequence, it becomes possible to naturally represent them in a Lorentz spinor basis. The state vector representing the whole KN solution is then constructed, and its evolution is shown to be governed by the Dirac equation. The KN solution can thus be consistently interpreted as a model for the electron-positron system, in which the concepts of mass, charge and spin become connected with the spacetime geometry. Some phenomenological consequences of the model are explored.
description: 19 pages, 6 figures. References added, section 2 enhanced, an appendix and one figure added
A family of MCF solutions for the Heisenberg Group
Creators: name: Leandro, Benedito
name: Cintra, Adriana Araujo
name: Reis, Hiuri Fellipe dos Santos
Publisher: name: arXiv
Year: 2019
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: The aim of this paper is to investigate the mean curvature flow soliton solutions on the Heisenberg group $\mathcal{H}$ when the initial data is a ruled surface by straight lines. We give a family of those solutions which are generated by $\mathfrak{Iso}_{0}(\mathcal{H})$ (the isometries of $\mathcal{H}$ for which the origin is a fix point). We conclude that the function which describe the motion of these surfaces under MCF, is always a linear affine function. As an application we proof that the Grim Reaper solution evolves from a ruled surface in $\mathcal{H}$. We also provide other examples.
Canthon honsi Balthasar 1939
Creators: name: Bezděk, Aleš
name: Hájek, Jiří
name: Ascr, Biology Centre
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Canthon
Canthon honsi

description: Canthon honsi Balthasar, 1939
 Canthon Honsi Balthasar, 1939g: 229.
The holotype is deposited in NMPC (ex coll. V. Balthasar):
HOLOTYPE (unsexed specimen): ‘ Mendoza [hw, green label] // Typus [p, red label, black margin] // Canthon / honsi n. sp. [hw] / Dr. V. Balthasar det. [p] // honsi m. [hw, green label, black margin]’.
 Current status. Canthon (Pseudepilissus) honsi Balthasar, 1939, see for example HALFFTER
& MARTÍNEZ (1977).
description: Published as part of Bezděk, Aleš, Hájek, Jiří & Ascr, Biology Centre, 2011, Catalogue of type specimens of beetles (Coleoptera) deposited in the National Museum, Prague, Czech Republic, pp. 349-378 in Acta Entomologica Musei Nationalis Pragae 51 (1) on page 363, DOI: 10.5281/zenodo.5327974
Oxytorus luridator
Creators: name: Schwarz, Martin
name: Holy, Kamil
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Oxytorus
Oxytorus luridator

description: Oxytorus luridator (GRAVENHORST, 1820)– new records for Bohemia and Slovakia
M a t e r i a l: Bohemia: Majdalena (7055), 21.vii.1992, 1, 25.vii.1992, 1, both lgt. K. Deneš, both det. M. Schwarz. Slovakia: Levice, Rybník (7777), 16.vi.1994, 1, lgt. Kašpar, det. M. Schwarz.
In the Czech Republic hitherto known only from Moravia (ŠEDIVÝ 1989).
description: Published as part of Schwarz, Martin & Holy, Kamil, 2015, Faunistic records for the Czech Republic and Slovakia (Hymenoptera: Ichneumonidae), pp. 1819-1828 in Linzer biologische Beiträge 47 (2) on page 1826, DOI: 10.5281/zenodo.5285868
Clustering and anisotropic correlated percolation in polar flocks
Creators: name: Kyriakopoulos, Nikos
name: Chaté, Hugues
name: Ginelli, Francesco
Publisher: name: arXiv
Year: 2019
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study clustering and percolation phenomena in the Vicsek model, taken here in its capacity of prototypical model for dry aligning active matter. Our results show that the order-disorder transition is not related in any way to a percolation transition, contrary to some earlier claims. We study geometric percolation in each of the phases at play, but we mostly focus on the ordered Toner-Tu phase, where we find that the long-range correlations of density fluctuations give rise to a novel anisotropic percolation transition.
description: Submitted to Physical Review E
Quantum Stochastic Processes and the Modelling of Quantum Noise
Creators: name: Nurdin, Hendra I.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: Systems and Control (eess.SY)
subject: FOS: Physical sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This brief article gives an overview of quantum mechanics as a {\em quantum probability theory}. It begins with a review of the basic operator-algebraic elements that connect probability theory with quantum probability theory. Then quantum stochastic processes is formulated as a generalization of stochastic processes within the framework of quantum probability theory. Quantum Markov models from quantum optics are used to explicitly illustrate the underlying abstract concepts and their connections to the quantum regression theorem from quantum optics.
description: 14 pages, invited article for the second edition of Springer's Encyclopedia of Systems and Control (to appear). Comments welcome
Randomisation of Pulse Phases for Unambiguous and Robust Quantum Sensing
Creators: name: Wang, Zhen-Yu
name: Lang, Jacob E.
name: Schmitt, Simon
name: Lang, Johannes
name: Casanova, Jorge
name: McGuinness, Liam
name: Monteiro, Tania S.
name: Jelezko, Fedor
name: Plenio, Martin B.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We develop theoretically and demonstrate experimentally a universal dynamical decoupling method for robust quantum sensing with unambiguous signal identification. Our method uses randomisation of control pulses to suppress simultaneously two types of errors in the measured spectra that would otherwise lead to false signal identification. These are spurious responses due to finite-width $π$ pulses, as well as signal distortion caused by $π$ pulse imperfections. For the cases of nanoscale nuclear spin sensing and AC magnetometry, we benchmark the performance of the protocol with a single nitrogen vacancy centre in diamond against widely used non-randomised pulse sequences. Our method is general and can be combined with existing multipulse quantum sensing sequences to enhance their performance.
Source code of numerical models used in Kawai et al.
Creators: name: Kawai, Yuta
Publisher: name: Zenodo
Year: 2021
Subjects: coupled atmosphere-ocean-sea ice model, meridionally one-dimensional energy balanced model

description: This archive contains source codes of numerical models and input files used in the paper "Solar constant dependence of climate states of an ocean planet with gray atmosphere: Effects of heat capacity and heat transport of the ocean" by Kawai et al.
title: Schéma hydrogéologique du Burkina Faso
Creators: name: Renvoisé, Luc
name: CIRAD-IEMVT-FRA
Publisher: name: CTA; CIRAD-IEMVT
Year: 1987
Subjects: subject: Élevage
subject: Ressource en eau
subject: Hydrogéologie
subject: Aquifère
subject: Burkina Faso
subject: Sahel
subject: Afrique occidentale
subject: P10 - Ressources en eau et leur gestion
subject: L01 - Elevage - Considérations générales
subject: P10 - Water resources and management
subject: L01 - Animal husbandry

description: In : Élevage et potentialités pastorales sahéliennes. Synthèses cartographiques. Burkina Faso = Animal husbandry and Sahelian pastoral potentialities. Cartographic synthesis. Burkina Faso. Wageningen : CTA-CIRAD-IEMVT. ISBN 2-85985-124-0
title: Répartition des principales études sur l'élevage de bovins, ovins, caprins réalisées au Burkina-Faso
Creators: name: De Zborowski, Isolde
name: CIRAD-IEMVT-FRA
Publisher: name: CTA; CIRAD-IEMVT
Year: 1987
Subjects: subject: Élevage
subject: Bovin
subject: Ovin
subject: Caprin
subject: Recherche
subject: Laboratoire vétérinaire
subject: Infrastructure
subject: Burkina Faso
subject: Sahel
subject: Afrique occidentale
subject: L01 - Elevage - Considérations générales
subject: U30 - Méthodes de recherche
subject: L01 - Animal husbandry
subject: U30 - Research methods

description: In : Élevage et potentialités pastorales sahéliennes. Synthèses cartographiques. Burkina Faso = Animal husbandry and Sahelian pastoral potentialities. Cartographic synthesis. Burkina Faso. Wageningen : CTA-CIRAD-IEMVT. ISBN 2-85985-124-0
Canthon kaestneri Balthasar 1939
Creators: name: Bezděk, Aleš
name: Hájek, Jiří
name: Ascr, Biology Centre
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Canthon
Canthon kaestneri

description: Canthon kaestneri Balthasar, 1939
 Canthon Kästneri Balthasar, 1939g: 227.
Three syntypes are deposited in NMPC (ex coll. V. Balthasar):
SYNTYPE (unsexed specimen): ‘ Ecuador [hw] // Typus [p, red label, black margin] // kästneri m. [hw, green label, black margin] // Scybalocanthon / kaestneri (Balth.) / Det. B.D. Gill‘96 [p]’.
SYNTYPES (2 unsexed specimens): ‘Mera / Ecuador [p] // Typus [p, red label, black margin]’.
 Current status. Scybalocanthon kaestneri (Balthasar, 1939), see HALFFTER & MARTÍNEZ
(1977).
description: Published as part of Bezděk, Aleš, Hájek, Jiří & Ascr, Biology Centre, 2011, Catalogue of type specimens of beetles (Coleoptera) deposited in the National Museum, Prague, Czech Republic, pp. 349-378 in Acta Entomologica Musei Nationalis Pragae 51 (1) on page 363, DOI: 10.5281/zenodo.5327974
title: Répartition des principales études sur l'élevage d'équins, camelins, asins, volailles réalisées au Burkina-Faso
Creators: name: De Zborowski, Isolde
name: CIRAD-IEMVT-FRA
Publisher: name: CTA; CIRAD-IEMVT
Year: 1987
Subjects: subject: Élevage
subject: Equidae
subject: Camelidae
subject: Volaille
subject: Lapin (oryctolagus)
subject: Lapin (sylvilagus)
subject: Porcin
subject: Recherche
subject: Laboratoire vétérinaire
subject: Infrastructure
subject: Burkina Faso
subject: Sahel
subject: Afrique occidentale
subject: L01 - Elevage - Considérations générales
subject: U30 - Méthodes de recherche
subject: L01 - Animal husbandry
subject: U30 - Research methods

description: In : Élevage et potentialités pastorales sahéliennes. Synthèses cartographiques. Burkina Faso = Animal husbandry and Sahelian pastoral potentialities. Cartographic synthesis. Burkina Faso. Wageningen : CTA-CIRAD-IEMVT. ISBN 2-85985-124-0
title: Carte de répartition des glossines au Burkina Faso
Creators: name: Renvoisé, Luc
name: CIRAD-IEMVT-FRA
Publisher: name: CTA; CIRAD-IEMVT
Year: 1987
Subjects: subject: Élevage
subject: Bétail
subject: Glossinidae
subject: Réserve naturelle
subject: Distribution géographique
subject: Burkina Faso
subject: Sahel
subject: Afrique occidentale
subject: L72 - Organismes nuisibles des animaux
subject: L72 - Pests of animals

description: In : Élevage et potentialités pastorales sahéliennes. Synthèses cartographiques. Burkina Faso = Animal husbandry and Sahelian pastoral potentialities. Cartographic synthesis. Burkina Faso. Wageningen : CTA-CIRAD-IEMVT. ISBN 2-85985-124-0
The tricky line of sight towards Cygnus-X: The [DB2001] CL05 embedded cluster as a pilot case
Creators: name: de la Fuente, D.
name: Román-Zúñiga, C. G.
name: Jiménez-Bailón, E.
name: Alves, J.
name: Venus, S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The nearest massive star-forming complex, Cygnus-X, is widely used as a laboratory for star cluster formation and feedback processes, under the implicit assumption that all its components are located roughly at the same distance. We present a multi-wavelength study of a 15' x 15' field in southern Cygnus-X, where different components involving clustered star formation are overlapped. Preliminary results indicate that the Berkeley 87 and [DB2001] CL05 clusters are actually located at very different distances, invalidating previous claims of physical interaction between them. This shows the importance of a careful treatment of extinction and distance calculations for cluster formation studies, particularly in Cygnus-X.
description: 6 pages, 4 figures. Published in: Highlights on Spanish Astrophysics X, Proceedings of the XIII Scientific Meeting of the Spanish Astronomical Society held on July 16 - 20, 2018, in Salamanca, Spain
D8.2 - Cross-domain insights and visualization widget
Creators: name: Filareti Tsalakanidou
name: Tsampoulatidis, Giannis
name: Tasos Papazoglou-Chalikias
name: Yiannis Kompatsiaris
Publisher: name: Zenodo
Year: 2019
Subjects: City ecosystem
resilience
sustainability
quality of life
well-being
urban indicators
environment
society
economy
governance
visualization of indicators
spider-web graph

description: This report proposes a comprehensive framework for monitoring and assessing the impact of urban development policies to waterfront cities, focusing on urban sustainability, resilience, and well-being. The framework aims to assess impact on the city ecosystem as a whole, exploring more than twenty different dimensions classified under four pillars (environment, economy, society, governance). For each dimension, a set of carefully selected indicators has been identified, combining robust and proven indicators commonly proposed in the literature with new indicators, appropriate for CUTLER pilots. Moreover, a visualization widget has been developed for presenting this information to policy makers in the form of spider web diagrams that allow easy and straightforward comparison before and after the implementation of policy measures.
Practical numbers among the binomial coefficients
Creators: name: Leonetti, Paolo
name: Sanna, Carlo
Publisher: name: arXiv
Year: 2019
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11B65, 11N25

description: A "practical number" is a positive integer $n$ such that every positive integer less than $n$ can be written as a sum of distinct divisors of $n$. We prove that most of the binomial coefficients are practical numbers. Precisely, letting $f(n)$ denote the number of binomial coefficients $\binom{n}{k}$, with $0 \leq k \leq n$, that are not practical numbers, we show that \begin{equation*} f(n) < n^{1 - (\log 2 - δ)/\log \log n} \end{equation*} for all integers $n \in [3, x]$, but at most $O_γ(x^{1 - (δ- γ) / \log \log x})$ exceptions, for all $x \geq 3$ and $0 < γ< δ< \log 2$. Furthermore, we prove that the central binomial coefficient $\binom{2n}{n}$ is a practical number for all positive integers $n \leq x$ but at most $O(x^{0.88097})$ exceptions. We also pose some questions on this topic.
description: 10 pages, no figures
Time dependent correlations in marine stratocumulus cloud base height records
Creators: name: Kitova, N.
name: Ivanova, K.
name: Ausloos, M.
name: Ackerman, T. P.
name: Mikhalev, M. A.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Condensed Matter (cond-mat)
subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: FOS: Physical sciences

description: The scaling ranges of time correlations in the cloud base height records of marine boundary layer stratocumulus are studied applying the Detrended Fluctuation Analysis statistical method. We have found that time dependent variations in the evolution of the $α$ exponent reflect the diurnal dynamics of cloud base height fluctuations in the marine boundary layer. In general, a more stable structure of the boundary layer corresponds to a lower value of the $α$ - indicator, i.e. larger anti-persistence, thus a set of fluctuations tending to induce a greater stability of the stratocumulus. In contrast, during periods of higher instability in the marine boundary, less anti-persistent (more persistent like) behavior of the system drags it out of equilibrium, corresponding to larger $α$ values. From an analysis of the frequency spectrum, the stratocumulus base height evolution is found to be a non-stationary process with stationary increments. The occurrence of these statistics in cloud base height fluctuations suggests the usefulness of similar studies for the radiation transfer dynamics modeling.
description: 12 pages, 6 figures; to appear in Int. J. Mod. Phys. C, Vol. 13, No. 2 (2002)
Supersymmetric extension of the nine-dimensional continuation of the Euler density with N=2
Creators: name: Hassaine, Mokhtar
name: Olea, Rodrigo
name: Troncoso, Ricardo
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A local supersymmetric extension with N=2 of the dimensional continuation of the Euler-Gauss-Bonnet density from eight to nine dimensions is constructed. The gravitational sector is invariant under local Poincare translations, and the full field content is given by the vielbein, the spin connection, a complex gravitino, and an Abelian one-form. The local symmetry group is shown to be super Poincare with N=2 and a U(1) central extension, and the full supersymmetric Lagrangian can be written as a Chern-Simons form.
description: Last version for Phys.Lett.B. Title changed in journal and references added
Emergent magnetic state in (111)-oriented quasi-two-dimensional spinel oxides
Creators: name: Liu, Xiaoran
name: Kirby, B. J.
name: Zhong, Zhicheng
name: Cao, Yanwei
name: Pal, B.
name: Kareev, M.
name: Middey, S.
name: Freeland, J. W.
name: Shafer, P.
name: Arenholz, E.
name: Chakhalian, J.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report on the emergent magnetic state of (111)-oriented CoCr2O4 ultrathin films sandwiched by Al2O3 in the quantum confined geometry. At the two-dimensional crossover, polarized neutron reflectometry reveals an anomalous enhancement of the total magnetization compared to the bulk value. Synchrotron x-ray magnetic circular dichroism (XMCD) demonstrates the appearance of long-range ferromagnetic ordering of spins on both Co and Cr sublattices. Brillouin function analyses further corroborates that the observed phenomena are due to the strongly altered magnetic frustration, manifested by the onset of a Yafet-Kittel type ordering as the new ground state in the ultrathin limit, which is unattainable in the bulk.
Structure functions and energy dissipation dependence on Reynolds number
Creators: name: Boffetta, G.
name: Romano, G. P.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: The dependence of the statistics of energy dissipation on the Reynolds number is investigated in an experimental jet flow. In a range of about one decade of $Re_λ$ (from about 200 to 2000) the adimensional mean energy dissipation is found to be independent on $Re_λ$, while the higher moments of dissipation show a power-law dependence. The scaling exponents are found to be consistent with a simple prediction based on the multifractal model for inertial range structure functions. This is an experimental confirmation of the connection between inertial range quantities and dissipation statistics predicted by the multifractal approach.
description: 15 pages, 5 figures
Canthon klecandai Balthasar 1939
Creators: name: Bezděk, Aleš
name: Hájek, Jiří
name: Ascr, Biology Centre
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Canthon
Canthon klecandai

description: Canthon klecandai Balthasar, 1939
 Canthon Klecandai Balthasar, 1939g: 228.
The holotype is deposited in NMPC (ex coll. V. Balthasar):
HOLOTYPE (J): ‘ Argentinien / Sta. Fé 12. 1931 / 1932.16 [p, green label] // Typus [p, red label, black margin] // Canthon / klecandai m. [hw] / Dr. V. Balthasar det. [p] // klecandai m. [hw, green label, black margin] // Canthon / denticulatus Schm. / Det. B.D. Gill‘96 [p]’.
 Current status. Junior subjective synonym of Canthon denticulatus Schmidt, 1922, see
PEREIRA & MARTÍNEZ (1960).
description: Published as part of Bezděk, Aleš, Hájek, Jiří & Ascr, Biology Centre, 2011, Catalogue of type specimens of beetles (Coleoptera) deposited in the National Museum, Prague, Czech Republic, pp. 349-378 in Acta Entomologica Musei Nationalis Pragae 51 (1) on page 363, DOI: 10.5281/zenodo.5327974
Jordan-Wigner fermions and the spin-1/2 anisotropic XY model on a square lattice
Creators: name: Derzhko, Oleg
name: Richter, Johannes
name: Verkholyak, Taras
Publisher: name: arXiv
Year: 2001
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: Using the two-dimensional Jordan-Wigner fermionization we calculate the thermodynamic quantities of the (spatially anisotropic) square-lattice spin-1/2 anisotropic XY (XZ) model. We compare the results of different approaches for the ground-state and thermodynamic properties of the model.
description: 5 pages, 2 figures
Uncovering gene-specific branching dynamics using single-cell data
Creators: name: Sumon Ahmed
name: Boukouvalas, Alexis
name: Rattray, Magnus
Publisher: name: F1000 Research Limited
Year: 2019

description: Identifying branching dynamics from high-throughput single-cell data can help uncover gene expression changes leading to cellular differentiation and fate determination. Boukouvalas et al. (Genome Biology 2018) recently developed a branched Gaussian Process (BGP) method that provides a posterior estimate of gene-specific branching time with associated credible regions. Their method generalises the Overlapping Mixture of Gaussian Process (OMGP) model (Lazaro-Gredilla et al, Pattern Recognition 2012) by using a branching kernel function to account for dependence between the Gaussian Process functions in the mixture model. However, inference in this model is performed independently per gene, resulting in two significant drawbacks. Firstly, the model suffers potentially inconsistent cell assignment, i.e. the same cell may be assigned to different branches for different genes. This risk can be mitigated by using strong global priors for the cell assignments (identified by a global method such as Monocle) but when analysing pioneer genes, no cell branch prior assignments are available and this leads to potentially inconsistent cell assignments. Secondly, the computational requirements are very high when analysing many genes, making the model impractical for large numbers of cells and genes.
We propose a multivariate branching Gaussian Process (mBGP) model that performs inference jointly across all genes of interest. This approach solves the inconsistency issue as well as being more computationally efficient because cell-assignments are shared across genes. Our approach involves two main ideas: (1) We develop a joint model with a different branching time parameter for each output dimension (gene). This allows for consistent estimation of the cell allocation across all genes as the cell allocation is shared for all genes, and is also more computationally efficient as there are less parameters to learn. (2) We develop a gradient-based approach to learn branching times. Using gradients removes the need for a grid search, which is impractical in the multiple-gene case since there is a combinatorial explosion of the number of branching time combinations. To verify our approach, we have applied it on both synthetic and real single-cell RNA-seq gene expression data. We show that the model can jointly estimate all branching times with significantly less computational time compared to the original BGP model, whilst also ensuring cell assignment consistency.
Canthon laminatus Balthasar 1939
Creators: name: Bezděk, Aleš
name: Hájek, Jiří
name: Ascr, Biology Centre
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Canthon
Canthon laminatus

description: Canthon laminatus Balthasar, 1939
 Canthon laminatus Balthasar, 1939g: 228.
One syntype is deposited in NMPC (ex coll. V. Balthasar): SYNTYPE (unsexed specimen):‘RIO GRANDE DO SOL / BRASILIE [p] //Typus [hw, red label] // Canthon / laminatus
/ n. sp. m. [hw] / Dr. V. Balthasar det. [p] // laminatus m. [hw, green label, black margin]’.
 Current status. Valid species.
description: Published as part of Bezděk, Aleš, Hájek, Jiří & Ascr, Biology Centre, 2011, Catalogue of type specimens of beetles (Coleoptera) deposited in the National Museum, Prague, Czech Republic, pp. 349-378 in Acta Entomologica Musei Nationalis Pragae 51 (1) on page 363, DOI: 10.5281/zenodo.5327974
Effects of Ni Substitutions on the Critical Behaviors in $Nd_{0.6}Sr_{0.4}Mn_{1-x}Ni_{x}O_{3}$ Manganite
Creators: name: Hamad, M. Kh.
name: Maswadeh, Y.
name: Ziq, Kh. A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We investigate the effect of Ni${\text -}$substitution on the crystalline structure and the critical behavior of $Nd_{0.6}Sr_{0.4}Mn_{1-x}Ni_{x}O_{3}$ (0.00 $\leq$ x $\leq$ 0.20) perovskite. X${\text -}$ray diffraction patterns revealed that the major phase in all samples is the orthorhombic structure with space group $\textit{Pnma}$. Rietveld refinement revealed a linear reduction in the lattice parameters along with monotonic reduction in the O2${\text -}$Mn${\text -}$O2 angel with increasing Ni concentration. The modified Arrott plots and the Kouvel${\text -}$Fisher method have been used to analyze the magnetization isotherms near the paramagnetic to ferromagnetic (PM${\text -}$FM) phase transition. The obtained critical exponents ($β$, $γ$ and $δ$) revealed that the Ni${\text -}$free sample is consistent with 3D${\text -}$Heisenberg like behavior. However, upon Ni${\text -}$substitution, the critical exponents exhibit a mean field like behavior. The reliability of the obtained critical exponent ($β$, $γ$ and $δ$) values have been confirmed by the universal scaling behavior of the isothermal magnetization near the transition temperature.
description: 26 pages, 13 figures, accepted in Journal of Magnetism and Magnetic Materials on July 17, 2019
Canthon obenbergeri Balthasar 1940
Creators: name: Bezděk, Aleš
name: Hájek, Jiří
name: Ascr, Biology Centre
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Canthon
Canthon obenbergeri

description: Canthon obenbergeri Balthasar, 1940
 Canthon obenbergeri Balthasar, 1940a: 72.
The holotype is deposited in NMPC (ex coll. V. Balthasar): HOLOTYPE (J): ‘ Rio Grande do Sul / Sao Francisco / de Paula / 940 m. 1935 [p, green label] // Brasilien / P. Plo
Buck leg. / Eing. Nr. 131, 1935 [p, green label] // Typus [p, red label, black margin] // obenbergeri m. [hw, green label, black margin]’.
 Current status. Canthon (Canthon) angularis obenbergeri Balthasar, 1940, see HALFFTER & MARTÍNEZ (1977).
description: Published as part of Bezděk, Aleš, Hájek, Jiří & Ascr, Biology Centre, 2011, Catalogue of type specimens of beetles (Coleoptera) deposited in the National Museum, Prague, Czech Republic, pp. 349-378 in Acta Entomologica Musei Nationalis Pragae 51 (1) on page 364, DOI: 10.5281/zenodo.5327974
Quedius (Microsaurus) janatai SMETANA 2004
Creators: name: Ejean
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Quedius
Quedius janatai

description: Quedius (Microsaurus) janatai SMETANA, 2004
 Quedius janatai SMETANA, 2004: 97 (Quedius; subgenus Microsaurus; description)
N e w r e c o r d. CHINA: Sichuan: Xiaojin County, Rilong Shuangqiaogou, 3400-3700 m, 8.VIII.2011, HUANG Hao leg., 3 spec. (ASC, SNUC); Xiaojin County, Rilong Country, Chanpinggou, 3300 m, 3.-9.VIII. 2011, HUANG Hao leg., 3 spec. (ASC, SNUC).
C o m m e n t s. The species was until now known only from the mountains around Sabde. Rilong is also known as Siguniangshan Town (coordinates 30.9925°N 102.8303°E).
description: Published as part of Ejean, 2015, Contributions to the knowledge of the Quediina (Coleoptera: Staphylinidae: Staphylinini) of China. Part 56. Genus Quedius STEPHENS, 1829 Subgenus Microsaurus DEJEAN, 1833. Section 23, pp. 1843-1854 in Linzer biologische Beiträge 47 (2) on page 1851, DOI: 10.5281/zenodo.5285994
Quantum noise limited nanoparticle detection with exposed-core fiber
Creators: name: Mauranyapin, Nicolas P.
name: Madsen, Lars S.
name: Booth, Larnii
name: Peng, Lu
name: Warren-Smith, Stephen C.
name: Schartner, Erik
name: Ebendorff-Heidepriem, Heike
name: Bowen, Warwick P.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: Applied Physics (physics.app-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Label-free biosensors are important tools for clinical diagnostics and for studying biology at the single molecule level. The development of optical label-free sensors has allowed extreme sensitivity, but can expose the biological sample to photodamage. Moreover, the fragility and complexity of these sensors can be prohibitive to applications. To overcome these problems, we develop a quantum noise limited exposed-core fiber sensor providing robust platform for label-free biosensing with a natural path toward microfluidic integration. We demonstrate the detection of single nanoparticles down to 25 nm in radius with optical intensities beneath known biophysical damage thresholds.
description: 11 pages, 6 figures
Evolution of longevity, age at last birth and sexual conflict with grandmothering
Creators: name: Chan, Matthew H.
name: Hawkes, Kristen
name: Kim, Peter S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: Dynamical Systems (math.DS)
subject: FOS: Biological sciences
subject: FOS: Mathematics

description: We use a two-sex partial differential equation (PDE) model based on the Grandmother Hypothesis. We build on an earlier model by Kim et al. [27] by allowing for evolution in both longevity and age at last birth, and also assuming that post-fertile females support only their daughters' fertility. Similarly to Kim et al. [27], we find that only two locally stable equilibria exist: one corresponding to great ape-like longevities and the other corresponding to hunter-gatherer longevities. Our results show that grandmothering enables the transition between these two equilibria, without extending the end of fertility. Moreover, sensitivity analyses of the model show that male competition, arising from a skew in the mating sex ratio towards males, plays a significant role in determining whether the transition from great ape-like longevities to higher longevities is possible and the equilibrium value of the average adult lifespan. Whereas grandmothering effects have a significant impact on the equilibrium value of the average age at last birth and enable the transition to higher longevities, they have an insignificant impact on the equilibrium value of the average adult lifespan.
description: 22 pages, 20 figures
Dynamical Systems approach to Saffman-Taylor fingering. A Dynamical Solvability Scenario
Creators: name: Paune, E.
name: Magdaleno, F. X.
name: Casademunt, J.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: A dynamical systems approach to competition of Saffman-Taylor fingers in a channel is developed. This is based on the global study of the phase space structure of the low-dimensional ODE's defined by the classes of exact solutions of the problem without surface tension. Some simple examples are studied in detail, and general proofs concerning properties of fixed points and existence of finite-time singularities for broad classes of solutions are given. The existence of a continuum of multifinger fixed points and its dynamical implications are discussed. The main conclusion is that exact zero-surface tension solutions taken in a global sense as families of trajectories in phase space spanning a sufficiently large set of initial conditions, are unphysical because the multifinger fixed points are nonhyperbolic, and an unfolding of them does not exist within the same class of solutions. Hyperbolicity (saddle-point structure) of the multifinger fixed points is argued to be essential to the physically correct qualitative description of finger competition. The restoring of hyperbolicity by surface tension is discussed as the key point for a generic Dynamical Solvability Scenario which is proposed for a general context of interfacial pattern selection.
description: 3 figures added, major rewriting of some sections, submitted to Phys. Rev. E
Fragility of Layout-Based and Visual GUI Test Scripts: An Assessment Study on a Hybrid Mobile Application
Creators: name: Coppola, Riccardo
name: Ardito, Luca
name: Torchiano, Marco
Publisher: name: arXiv
Year: 2019
Subjects: subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences

description: Context: Albeit different approaches exist for automated GUI testing of hybrid mobile applications, the practice appears to be not so commonly adopted by developers. A possible reason for such a low diffusion can be the fragility of the techniques, i.e. the frequent need for maintaining test cases when the GUI of the app is changed. Goal: In this paper, we perform an assessment of the maintenance needed by test cases for a hybrid mobile app, and the related fragility causes. Methods: We evaluated a small test suite with a Layout-based testing tool (Appium) and a Visual one (EyeAutomate) and observed the changes needed by tests during the co-evolution with the GUI of the app. Results: We found that 20% Layout-based test methods and 30% Visual test methods had to be modified at least once, and that each release induced fragilities in 3-4% of the test methods. Conclusion: Fragility of GUI tests can induce relevant maintenance efforts in test suites of large applications. Several principal causes for fragilities have been identified for the tested hybrid application, and guidelines for developers are deduced from them.
Canthon pseudoforcipatus Balthasar 1939
Creators: name: Bezděk, Aleš
name: Hájek, Jiří
name: Ascr, Biology Centre
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Canthon
Canthon pseudoforcipatus

description: Canthon pseudoforcipatus Balthasar, 1939
 Canthon pseudoforcipatus Balthasar, 1939g: 233.
The holotype is deposited in NMPC (ex coll. V. Balthasar):
HOLOTYPE (unsexed specimen): ‘ ARGENTINA / Santiago d. E. / Wagner [p] // Typus [p, red label, black margin] // C.
pseudoforcipatus n. sp. [hw] / Dr. V. Balthasar det. [p] // pseudoforcipatus m. [hw, green label, black margin]’.
 Current status. Junior subjective synonym of Canthon (Canthon) substriatus Harold, 1868, see HALFFTER & MARTÍNEZ (1977).
description: Published as part of Bezděk, Aleš, Hájek, Jiří & Ascr, Biology Centre, 2011, Catalogue of type specimens of beetles (Coleoptera) deposited in the National Museum, Prague, Czech Republic, pp. 349-378 in Acta Entomologica Musei Nationalis Pragae 51 (1) on page 364, DOI: 10.5281/zenodo.5327974
Quedius (Raphirus) herbicola SMETANA 2002
Creators: name: Tephens
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Quedius
Quedius herbicola

description: Quedius (Raphirus) herbicola SMETANA, 2002
 Quedius herbicola SMETANA, 2002: 122 (Quedius; subgenus Raphirus; description; habitat).
N e w r e c o r d s: Guizhou: Suiyang County, KuanKuoshu N. R., Gongtonggou, 1530-1550 m, 7.VIII.2010, L, Yin & Zhai leg., 1 spec. (SNUC). Zhejiang: Anji City, Longwangshan Mt., Qianmutian, 4.8 km, 30°24’N 19°21’E, 1050-1250 m, 8. VI.2012, Hu & Jin leg., 4 spec. (ASC, SNUC); Tianmushan, 6. V.1998, LI Zhen-li leg., 2 spec. (ASC, SNUC); Tianmushan, 300 m, 17. V.2006, Hu & Tang leg., 1 spec. (SNUC); Lin-an City, Mt. Tianmu, Gaolin, 830-900 m, 31. V.2010, Wang, Xu & Zhu leg., 1 spec. (SNUC).
 C o m m e n t s. This is the first record of Q. herbicola from Zhejiang. It was previously known from Chongqing Municipality, Guizhou and Hubei.
description: Published as part of Tephens, 2015, Contributions to the knowledge of the Quediina (Coleoptera: Staphylinidae, Staphylinini) of China. Part 52. Genus Quedius STEPHENS, 1829. Subgenus Raphirus STEPHENS, 1829. Section 14. Genus Quetarsius SMETANA, 1996. Section 1., pp. 1855-1864 in Linzer biologische Beiträge 47 (2) on pages 1859-1860, DOI: 10.5281/zenodo.5286063
Blue-Green Emission from Epitaxial Yet Cation-Disordered ZnGeN$_{2-x}$O$_x$
Creators: name: Melamed, C. L.
name: Tellekamp, M. B.
name: Mangum, J. S.
name: Perkins, J. D.
name: Dippo, P.
name: Toberer, E. S.
name: Tamboli, A. C.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: ZnGeN$_2$ offers a low-cost alternative to InGaN with the potential for bandgap tuning to span the green gap using cation site ordering. The addition of oxygen on the anion site creates an additional degree of electronic tunability. Here, we investigate the structure and optoelectronic properties of an epitaxial ZnGeN$_{2-x}$O$_{x}$ thin film library grown by combinatorial co-sputtering on c-Al$_2$O$_3$. Samples exhibit X-ray diffraction patterns and X-ray pole figures characteristic of a wurtzite (cation-disordered) structure with the expected 6-fold in-plane symmetry. Transmission electron microscopy reveals a semi-coherent interface with periodic dislocations that relieve strain from the large lattice mismatch, and confirms the in-plane and out-of-plane crystallographic orientation. Room-temperature photoluminescence exhibits peaks between 2.4 and 2.8 eV which are consistent with a sharp absorption onset observed by UV-vis spectroscopy. These results demonstrate low-cost synthesis of optically active yet cation disordered ZnGeN$_{2-x}$O$_{x}$, indicating a path toward application as a blue-green emitter.
A Jordan-Wigner transformation for the $t-J$ and Hubbard models with holes
Creators: name: Barnes, S. E.
name: Maekawa, S.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: A Jordan-Wigner (JW) transformation for the $t-J$ and Hubbard models is described. Introduced are holon and doublon particles for hole and double occupied sites. There is only a single spin sector particle. Flux tubes occur in a naturel fashion, within a specific gauge, when the method is adapted to two dimensions. In order to accommodate three dimensions ``flux sheets'' are defined. The adaptation of the method to the $t-J$-model in the context of high $T_{c}$ is described.
description: 11 pages 3 figures - better figure upon request
Scripts made in the work for the master's thesis "Fundamental Study of InAs-InAsSb Nanowires for Control of Electrical Properties"
Creators: name: Knipschildt, Elisabeth Filippa Ferdinand
Publisher: name: University of Copenhagen
Year: 2021

description: Scripts used to analyze high angle annular dark field scanning transmission electron microscopy micrographs. Both .txt and .ipynb file types are available. The scripts are a part of the work for the master's thesis "Fundamental Study of InAs-InAsSb Nanowires for Control of Electrical Properties", the thesis is also available here.