cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Radiation reaction for spinning bodies in effective field theory I: Spin-orbit effects
Creators: name: Maia, Natália T.
name: Galley, Chad R.
name: Leibovich, Adam K.
name: Porto, Rafael A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We compute the leading Post-Newtonian (PN) contributions at linear order in the spin to the radiation-reaction acceleration and spin evolution for binary systems, which enter at fourth PN order. The calculation is carried out, from first principles, using the effective field theory framework for spinning compact objects, in both the Newton-Wigner and covariant spin supplementary conditions. A non-trivial consistency check is performed on our results by showing that the energy loss induced by the resulting radiation-reaction force is equivalent to the total emitted power in the far zone, up to so-called "Schott terms." We also find that, at this order, the radiation reaction has no net effect on the evolution of the spins. The spin-spin contributions to radiation reaction are reported in a companion paper.
description: 14 pages, 1 figure
Measures and integrals in conditional set theory
Creators: name: Jamneshan, Asgar
name: Kupper, Michael
name: Streckfuß, Martin
Publisher: name: arXiv
Year: 2017
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 03C90, 28B15, 46G10, 60Axx

description: The aim of this article is to establish basic results in a conditional measure theory. The results are applied to prove that arbitrary kernels and conditional distributions are represented by measures in a conditional set theory. In particular, this extends the usual representation results for separable spaces.
description: 21 pages, no figures, this is a final version accepted for publication in Set-Valued and Variational Analysis, compared with [v2] remark 5.5 added, presentation and description improved; after a major revision in [v2], where the general setting was simplified and extended applications to conditional distributions and disintegration were obtained (comprised in section 4)
On Singleton Arc Consistency for CSPs Defined by Monotone Patterns
Creators: name: Carbonnel, Clement
name: Cohen, David A.
name: Cooper, Martin C.
name: Zivny, Stanislav
Publisher: name: arXiv
Year: 2017
Subjects: subject: Computational Complexity (cs.CC)
subject: Artificial Intelligence (cs.AI)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Computer and information sciences

description: Singleton arc consistency is an important type of local consistency which has been recently shown to solve all constraint satisfaction problems (CSPs) over constraint languages of bounded width. We aim to characterise all classes of CSPs defined by a forbidden pattern that are solved by singleton arc consistency and closed under removing constraints. We identify five new patterns whose absence ensures solvability by singleton arc consistency, four of which are provably maximal and three of which generalise 2-SAT. Combined with simple counter-examples for other patterns, we make significant progress towards a complete classification.
description: v4: Full version of a STACS'18 paper; improved presentation
Die Qualitätsmessung der Hebammenversorgung aus der Perspektive der Nutzer:innen
Creators: name: Peters, Mirjam
Publisher: name: Universität Bielefeld
Year: 2023
Subjects: subject: 610

description: **Hintergrund:** Obwohl Nutzer:innenorientierung und Qualität zu prägenden Leitbildern des deutschen Gesundheitssystems geworden sind, fehlt es immer noch an einer flächendeckenden nutzer:innenbasierten Qualitätsmessung der Versorgung mit Patient-Reported Outcome Measures (PROMs) und Patient-Reported Experience Measures (PREMs). Dies gilt auch für die Versorgung rund um die Geburt, bei der Probleme wie Über-, Unter- und Fehlversorgung, Gewalt in der Geburtshilfe oder Hebammenmangel bestehen.

 **Ziele:** Das Ziel dieser Dissertation ist die Entwicklung von PREMs für die Versorgung durch Hebammen während der Geburt und im Wochenbett. Als erstes Teilziel wird dazu zunächst ein valides Anforderungsprofil für die geburtshilfliche Versorgung durch Hebammen formuliert, indem die Ziele der Hebammenarbeit bestimmt werden. Darauf aufbauend werden die PREMs entwickelt. Abschließend wird die partizipative Methode der Co-Creation als Methode für die Implementierungsforschung erprobt, indem hemmende und fördernde Faktoren für die Implementierung der entwickelten PREMs in der Versorgung untersucht werden. Damit soll ein Beitrag zur Förderung der Nutzer:innenorientierung und Qualität in der geburtshilflichen Versorgung geleistet werden.

 **Methode:** Zur Analyse der Ziele der Hebammenarbeit wurde die Theoriesynthese nach Walker und Avant verwendet. Die PREMs wurden darauf aufbauend anhand der klassischen Testtheorie unter Verwendung von EFA und CFA entwickelt und validiert. Für die Erprobung der Co-Creation wurde ein literaturbasiertes Ablaufschema entwickelt, erprobt und optimiert.

 **Ergebnisse:** Das hierarchische Modell zur Theorie der Hebammenarbeit zeigt fünf Ziele auf drei Ebenen. Anhand dieser Ziele konnten erstmals zwei deutschsprachige PREMs für die geburtshilfliche Versorgung entwickelt werden: MMAYbirth (21 Items, 4 Skalen) und MMAYpostpartum (16 Items, 3 Skalen). Für die Co-Creation ist es gelungen, ein erprobtes Ablaufschema zu entwickeln, dass in zukünftigen Implementierungsprojekten eingesetzt werden kann.

 **Schlussfolgerungen:** Die entwickelten PREMs könnten im Rahmen der internen oder externen Qualitätsmessung dazu beitragen, die Nutzer:innenorientierung und Qualität in der geburtshilflichen Versorgung zu verbessern. Zukünftige Forschung sollte sich darauf konzentrieren, die entwickelten Instrumente weiter zu optimieren und ihre effektive Verwendung in der Praxis zu unterstützen. Gerade für letzteres können partizipative Methoden wie die Co-Creation eingesetzt werden. Eine erfolgreiche Implementierung benötigt jedoch passende politische Rahmenbedingungen.
Radiation reaction for spinning bodies in effective field theory II: Spin-spin effects
Creators: name: Maia, Natália T.
name: Galley, Chad R.
name: Leibovich, Adam K.
name: Porto, Rafael A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We compute the leading Post-Newtonian (PN) contributions at quadratic order in the spins to the radiation-reaction acceleration and spin evolution for binary systems, entering at four-and-a-half PN order. Our calculation includes the back-reaction from finite-size spin effects, which is presented for the first time. The computation is carried out, from first principles, using the effective field theory framework for spinning extended objects. At this order, nonconservative effects in the spin-spin sector are independent of the spin supplementary conditions. A non-trivial consistency check is performed by showing that the energy loss induced by the resulting radiation-reaction force is equivalent to the total emitted power in the far zone. We find that, in contrast to the spin-orbit contributions (reported in a companion paper), the radiation reaction affects the evolution of the spin vectors once spin-spin effects are incorporated.
description: 9 pages
Statistics and structure of spanwise rotating turbulent channel flow at moderate Reynolds numbers
Creators: name: Brethouwer, Geert
Publisher: name: arXiv
Year: 2016
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: A study of fully developed plane turbulent channel flow subject to spanwise system rotation through direct numerical simulations is presented. In order to study both the influence of the Reynolds number and spanwise rotation on channel flow, the Reynolds number $Re = U_b h/ν$ is varied from a low 3000 to a moderate $31\,600$ and the rotation number $Ro = 2 Ωh/U_b$ is varied from 0 to 2.7, where $U_b$ is the mean bulk velocity, $h$ the channel half gap and $Ω$ the system rotation rate. The mean streamwise velocity profile displays also at higher $Re$ the characteristic linear part with a slope near to $2 Ω$ and a corresponding linear part in the profiles of the production and dissipation rate of turbulent kinetic energy appears. With increasing $Ro$ a distinct unstable side with large spanwise and wall-normal Reynolds stresses and a stable side with much weaker turbulence develops in the channel. The flow starts to relaminarize on the stable side of the channel and persisting turbulent-laminar patterns appear at higher $Re$. If $Ro$ is further increased the flow on the stable side becomes laminar-like while at yet higher $Ro$ the whole flow relaminarizes, although the calm periods might be disrupted by repeating bursts of turbulence, as explained by Brethouwer (2016). The influence of the Reynolds number is considerable, in particular on the stable side of the channel where velocity fluctuations are stronger and the flow relaminarizes less quickly at higher $Re$. Visualizations and statistics show that at $Ro=0.15$ and 0.45 large-scale structures and large counter rotating streamwise roll cells develop on the unstable side. These become less noticeable and eventually vanish when $Ro$ raises, especially at higher $Re$. At high $Ro$, the largest energetic structures are larger at lower $Re$.
MPEC 2023-R157 : 2023 QX20
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 QX20

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Interferometric Constraints on Quantum Geometrical Shear Noise Correlations
Creators: name: Chou, Aaron
name: Glass, Henry
name: Gustafson, H. Richard
name: Hogan, Craig J.
name: Kamai, Brittany L.
name: Kwon, Ohkyung
name: Lanza, Robert
name: McCuller, Lee
name: Meyer, Stephan S.
name: Richardson, Jonathan W.
name: Stoughton, Chris
name: Tomlin, Ray
name: Weiss, Rainer
Publisher: name: arXiv
Year: 2017
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Final measurements and analysis are reported from the first-generation Holometer, the first instrument capable of measuring correlated variations in space-time position at strain noise power spectral densities smaller than a Planck time. The apparatus consists of two co-located, but independent and isolated, 40 m power-recycled Michelson interferometers, whose outputs are cross-correlated to 25 MHz. The data are sensitive to correlations of differential position across the apparatus over a broad band of frequencies up to and exceeding the inverse light crossing time, 7.6 MHz. By measuring with Planck precision the correlation of position variations at spacelike separations, the Holometer searches for faint, irreducible correlated position noise backgrounds predicted by some models of quantum space-time geometry. The first-generation optical layout is sensitive to quantum geometrical noise correlations with shear symmetry---those that can be interpreted as a fundamental noncommutativity of space-time position in orthogonal directions. General experimental constraints are placed on parameters of a set of models of spatial shear noise correlations, with a sensitivity that exceeds the Planck-scale holographic information bound on position states by a large factor. This result significantly extends the upper limits placed on models of directional noncommutativity by currently operating gravitational wave observatories.
description: Matches the journal accepted version
Reduced Self-Doping of Perovskites Induced by Short Annealing for Efficient Solar Modules
Creators: name: Ni, Zhenyi
name: Xiao, Xun
name: Deng, Yehao
name: Zhao, Jingjing
name: Xu, Shuang
name: Huang, Jinsong
name: Van Brackle, Charles H.
name: Palmstrom, Axel F.
name: Zhu, Kai
Publisher: name: Elsevier
Year: 2020

description:
Controlling of doping in semiconducting light absorber can minimize the charge recombination and maximizing power output from solar cells; however, it is challenging for perovskites due to lack of controlled doping. Here, we report that a short post-annealing of less than 3 min for facilitating high-throughput manufacturing of perovskite solar modules in an ambient environment maintains the stoichiometric composition of perovskites, encouraging a spontaneous de-doping of perovskites during aging. The reduced self-doping results in less charge recombination and, thus, higher device efficiency. The stabilized open-circuit voltage of sub-cells in the CH3NH3PbI3 minimodules with an area >20 cm2 reaches 1.19 V on average. The aperture efficiency reaches 17.8% under one sun and 18.7% under a quarter sun illumination, deriving an averaged efficiency >20.0% for each sub-cell with an area >3 cm2, demonstrating the excellent uniformity of the films by this scalable process. The minimodule also works as uniform light-emitting devices.
An eddifying Stommel model: Fast eddy effects in a two-box ocean
Creators: name: Barham, William
name: Grooms, Ian
Publisher: name: arXiv
Year: 2017
Subjects: subject: Dynamical Systems (math.DS)
subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: A system of stochastic differential equations is formulated describing the heat and salt content of a two-box ocean. Variability in the heat and salt content and in the thermohaline circulation between the boxes is driven by fast Gaussian atmospheric forcing and by ocean-intrinsic, eddy-driven variability. The eddy forcing of the slow dynamics takes the form of a colored, non-Gaussian noise. The qualitative effects of this non-Gaussianity are investigated by comparing to two approximate models: one that includes only the mean eddy effects (the `averaged model'), and one that includes an additional Gaussian white-noise approximation of the eddy effects (the `Gaussian model'). Both of these approximate models are derived using the methods of fast averaging and homogenization. In the parameter regime where the dynamics has a single stable equilibrium the averaged model has too little variability. The Gaussian model has accurate second-order statistics, but incorrect skew and rare-event probabilities. In the parameter regime where the dynamics has two stable equilibria the eddy noise is much smaller than the atmospheric noise. The averaged, Gaussian, and non-Gaussian models all have similar stationary distributions, but the jump rates between equilibria are too small for the averaged and Gaussian models.
description: 23 pages, 4 figures
General Semiparametric Shared Frailty Model Estimation and Simulation with frailtySurv
Creators: name: Monaco, John V.
name: Gorfine, Malka
name: Hsu, Li
Publisher: name: arXiv
Year: 2017
Subjects: subject: Computation (stat.CO)
subject: Mathematical Software (cs.MS)
subject: FOS: Computer and information sciences

description: The R package frailtySurv for simulating and fitting semi-parametric shared frailty models is introduced. Package frailtySurv implements semi-parametric consistent estimators for a variety of frailty distributions, including gamma, log-normal, inverse Gaussian and power variance function, and provides consistent estimators of the standard errors of the parameters' estimators. The parameters' estimators are asymptotically normally distributed, and therefore statistical inference based on the results of this package, such as hypothesis testing and confidence intervals, can be performed using the normal distribution. Extensive simulations demonstrate the flexibility and correct implementation of the estimator. Two case studies performed with publicly available datasets demonstrate applicability of the package. In the Diabetic Retinopathy Study, the onset of blindness is clustered by patient, and in a large hard drive failure dataset, failure times are thought to be clustered by the hard drive manufacturer and model.
Positivity of the height jump divisor
Creators: name: Gil, Jose Ignacio Burgos
name: Holmes, David
name: de Jong, Robin
Publisher: name: arXiv
Year: 2017
Subjects: subject: Complex Variables (math.CV)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 32G20, 14D07

description: We study the degeneration of semipositive smooth hermitian line bundles on open complex manifolds, assuming that the metric extends well away from a codimension two analytic subset of the boundary. Using terminology introduced by R. Hain, we show that under these assumptions the so-called height jump divisors are always effective. This result is of particular interest in the context of biextension line bundles on Griffiths intermediate jacobian fibrations of polarized variations of Hodge structure of weight -1, pulled back along normal function sections. In the case of the normal function on M_g associated to the Ceresa cycle, our result proves a conjecture of Hain. As an application of our result we obtain that the Moriwaki divisor on \bar M_g has non-negative degree on all complete curves in \bar M_g not entirely contained in the locus of irreducible singular curves.
description: 19 pages. Comments still very welcome
Transport properties of the Azimuthal Magnetorotational Instability
Creators: name: Guseva, Anna
name: Willis, Ashley P.
name: Hollerbach, Rainer
name: Avila, Marc
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: The magnetorotational instability (MRI) is thought to be a powerful source of turbulence in Keplerian accretion disks. Motivated by recent laboratory experiments, we study the MRI driven by an azimuthal magnetic field in an electrically conducting fluid sheared between two concentric rotating cylinders. By adjusting the rotation rates of the cylinders, we approximate angular velocity profiles $ω\propto r^{q}$. We perform direct numerical simulations of a steep profile close to the Rayleigh line $q \gtrsim -2 $ and a quasi-Keplerian profile $q \approx -3/2$ and cover wide ranges of Reynolds ($Re\le 4\cdot10^4$) and magnetic Prandtl numbers ($0\le Pm \le 1$). In the quasi-Keplerian case, the onset of instability depends on the magnetic Reynolds number, with $Rm_c \approx 50$, and angular momentum transport scales as $\sqrt{Pm} Re^2$ in the turbulent regime. The ratio of Maxwell to Reynolds stresses is set by $Rm$. At the onset of instability both stresses have similar magnitude, whereas the Reynolds stress vanishes or becomes even negative as $Rm$ increases. For the profile close to the Rayleigh line, the instability shares these properties as long as $Pm\gtrsim0.1$, but exhibits a markedly different character if $Pm\rightarrow 0$, where the onset of instability is governed by the Reynolds number, with $Re_c \approx 1250$, transport is via Reynolds stresses and scales as $Re^2$. At intermediate $Pm=0.01$ we observe a continuous transition from one regime to the other, with a crossover at $Rm=\mathcal{O}(100)$. Our results give a comprehensive picture of angular momentum transport of the MRI with an imposed azimuthal field.
title: Raising the wealthy: philanthropy, children and wealth transfer
Creators: name: Fairbairn, Fiona
Publisher: name: University of Kent
Year: 2023

description: This research on raising wealthy children to be philanthropic is prompted by two separate but related factors. The first is the £5.5 trillion wealth transfer predicted to take place between 2017 and 2047, the scale of which creates an unprecedented income opportunity for a charity sector faced with declining statutory and individual income and increasing societal needs. If less than a third of this cascade of wealth were donated, that would double the total annual charitable income in each of those 30 years. At the same time, research finds that engaging in philanthropic activities such as helping and volunteering in childhood can lead to higher participation levels in adulthood. This thesis examines the philanthropic knowledge and behaviours held by children likely to be amongst the future recipients of some of this extraordinary wealth transfer. The research explores how children aged 9 to 11 who belong to wealthy households in London engage with and participate in philanthropy at home and at school. The study examines whether they have the knowledge and desire to give and participate in philanthropy as well as the skills and opportunities to critically engage with charities, causes and philanthropy. This thesis, drawing on the concepts associated with philanthropic citizenship, seeks to find out what kind of philanthropic citizen financially secure children are learning to become. A mixed-methods approach involving research with children was taken to explore this question, involving two surveys, four interviews and five focus groups to generate data from 220 children, 113 parents and four teachers. I find that the financially secure children that participated in this study are learning to become 'Personally Responsible' philanthropic citizens. This is an outcome that is arguably desirable in so far as encouraging charitable giving from a group that is likely, by virtue of inheritance, to have the means and resources to give generously in adulthood but falls short if we hope to raise philanthropists with the necessary knowledge, skills and desire to make informed giving decisions, to improve upon philanthropy and the ability to critically engage with the broader issues that sit behind charities, causes and the need for philanthropy in the first place. My research calls for a more considered approach to engaging children in philanthropy, involving opportunities to give and participate as well as structured learning opportunities to acquire the knowledge and skills to critically engage with charities, causes and societal needs. This research supports calls in the literature for a more participatory and a more social justice-oriented approach to philanthropy education and participation in schools.
Testing redMaPPer centring probabilities using galaxy clustering and galaxy-galaxy lensing
Creators: name: Hikage, Chiaki
name: Mandelbaum, Rachel
name: Leauthaud, Alexie
name: Rozo, Eduardo
name: Rykoff, Eli S.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Galaxy cluster centring is a key issue for precision cosmology studies using galaxy surveys. Mis-identification of central galaxies causes systematics in various studies such as cluster lensing, satellite kinematics, and galaxy clustering. The red-sequence Matched-filter Probabilistic Percolation (redMaPPer) estimates the probability that each member galaxy is central from photometric information rather than specifying one central galaxy. The redMaPPer estimates can be used for calibrating the off-centring effect, however, the centring algorithm has not previously been well-tested. We test the centring probabilities of redMaPPer cluster catalog using the projected cross correlation between redMaPPer clusters with photometric red galaxies and galaxy-galaxy lensing. We focus on the subsample of redMaPPer clusters in which the redMaPPer central galaxies (RMCGs) are not the brightest member galaxies (BMEM) and both of them have spectroscopic redshift. This subsample represents nearly 10% of the whole cluster sample. We find a clear difference in the cross-correlation measurements between RMCGs and BMEMs, and the estimated centring probability is 74$\pm$10% for RMCGs and 13$\pm$4% for BMEMs in the Gaussian offset model and 78$\pm$9% for RMCGs and 5$\pm$5% for BMEMs in the NFW offset model. These values are in agreement with the centring probability values reported by redMaPPer (75% for RMCG and 10% for BMEMs) within 1$σ$. Our analysis provides a strong consistency test of the redMaPPer centring probabilities. Our results suggest that redMaPPer centring probabilities are reliably estimated. We confirm that the brightest galaxy in the cluster is not always the central galaxy as has been shown in previous works.
description: 9 pages, 4 figures, 3 tables
Deterministic generation of all-photonic quantum repeaters from solid-state emitters
Creators: name: Buterakos, Donovan
name: Barnes, Edwin
name: Economou, Sophia E.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum repeaters are nodes in a quantum communication network that allow reliable transmission of entanglement over large distances. It was recently shown that highly entangled photons in so-called graph states can be used for all-photonic quantum repeaters, which require substantially fewer resources compared to atomic-memory based repeaters. However, standard approaches to building multi-photon entangled states through pairwise probabilistic entanglement generation severely limit the size of the state that can be created. Here, we present a protocol for the deterministic generation of large photonic repeater states using quantum emitters such as semiconductor quantum dots and defect centers in solids. We show that arbitrarily large repeater states can be generated using only two coupled emitters, reducing the necessary number of photon sources by six orders of magnitude. Our protocol includes a built-in redundancy which makes it resilient to photon loss.
description: Published version, Phys. Rev. X 7, 041023 (2017)
Deciphering Truth: Teaching About the Systemic Nature of Trauma
Creators: name: Duane, Addison
name: Khasnabis, Debi
name: Robertson, Katrin
name: Goldin, Simona
Publisher: name: SAGE Publications
Year: 2023

description:
Our work rests upon empirical and conceptual frameworks of systemically trauma-informed practice (SysTIP) to bring criticality to current conceptualizations of trauma-informed education. This paper presents (1) a description of a case-based exercise with elaborated design considerations that serve to illuminate mundane racial injustices occurring in schools as they intersect with trauma and (2) an analysis of teacher candidates’ learning, using artifacts of their classwork on the case-based exercise and their interactions with their instructors. This paper fortifies educators’ abilities to move beyond color-evasive (Annamma et al., 2017) views of trauma-informed practice and provide models of how individuals can act in anti-racist, systemically trauma-informed ways.
title: Das eigene Verhalten erkennen für eine bessere Konfliktbearbeitung
title: Mit Kindern Konfliktprävention üben
titleType: Subtitle
Creators: name: Gruben, Bénédicte de
Publisher: name: Universität Trier
Year: 2023
Subjects: subject: Schüler
valueUri: http://d-nb.info/gnd/4053369-4
subject: Konflikt
valueUri: http://d-nb.info/gnd/4032081-9
subject: Selbstreflexion
valueUri: http://d-nb.info/gnd/4132370-1

description: Der Artikel bietet ein Raster und konkrete Übungen, die es den Schüler*innen ermöglichen, die eigene Haltung in Konfliktsituationen zu identifizieren sowie auf nüchterne und analytische Art und Weise zu reflektieren.
Production of extra quarks decaying to Dark Matter beyond the Narrow Width Approximation at the LHC
Creators: name: Moretti, Stefano
name: O'Brien, Dermot
name: Panizzi, Luca
name: Prager, Hugo
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: This paper explores the effects of finite width in processes of pair production of an extra heavy quark with charge 2/3 (top partner) and its subsequent decay into a bosonic Dark Matter (DM) candidate -- either scalar or vector -- and SM up-type quarks at the Large Hadron Collider (LHC). This dynamics has been ignored so far in standard experimental searches of heavy quarks decaying to DM and we assess herein the regions of validity of current approaches, based on the assumption that the extra quarks have a narrow width. Further, we discuss the configurations of masses, widths and couplings where the latter breaks down.
description: 20 pages, 16 figures. Version accepted by PRD
Jet reconstruction and performance using particle flow with the ATLAS Detector
Creators: name: ATLAS Collaboration
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: This paper describes the implementation and performance of a particle flow algorithm applied to 20.2 fb$^{-1}$ of ATLAS data from 8 TeV proton-proton collisions in Run 1 of the LHC. The algorithm removes calorimeter energy deposits due to charged hadrons from consideration during jet reconstruction, instead using measurements of their momenta from the inner tracker. This improves the accuracy of the charged-hadron measurement, while retaining the calorimeter measurements of neutral-particle energies. The paper places emphasis on how this is achieved, while minimising double-counting of charged-hadron signals between the inner tracker and calorimeter. The performance of particle flow jets, formed from the ensemble of signals from the calorimeter and the inner tracker, is compared to that of jets reconstructed from calorimeter energy deposits alone, demonstrating improvements in resolution and pile-up stability.
description: 67 pages in total, author list starting page 51, 37 figures, 1 table, final version published in Eur. Phys. J C, all figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/PERF-2015-09/
1-Fan-Bundle-Planar Drawings of Graphs
Creators: name: Angelini, Patrizio
name: Bekos, Michael A.
name: Kaufmann, Michael
name: Kindermann, Philipp
name: Schneck, Thomas
Publisher: name: arXiv
Year: 2017
Subjects: subject: Computational Geometry (cs.CG)
subject: Combinatorics (math.CO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: Edge bundling is an important concept heavily used for graph visualization purposes. To enable the comparison with other established near-planarity models in graph drawing, we formulate a new edge-bundling model which is inspired by the recently introduced fan-planar graphs. In particular, we restrict the bundling to the end segments of the edges. Similarly to 1-planarity, we call our model 1-fan-bundle-planarity, as we allow at most one crossing per bundle. For the two variants where we allow either one or, more naturally, both end segments of each edge to be part of bundles, we present edge density results and consider various recognition questions, not only for general graphs, but also for the outer and 2-layer variants. We conclude with a series of challenging questions.
description: Appears in the Proceedings of the 25th International Symposium on Graph Drawing and Network Visualization (GD 2017)
Regular functions on spherical nilpotent orbits in complex symmetric pairs: classical Hermitian cases
Creators: name: Bravi, Paolo
name: Gandini, Jacopo
Publisher: name: arXiv
Year: 2016
Subjects: subject: Representation Theory (math.RT)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14M27, 20G05

description: Given a classical semisimple complex algebraic group G and a symmetric pair (G,K) of Hermitian type, we study the closures of the spherical nilpotent K-orbits in the isotropy representation of K. We show that all such orbit closures are normal and describe the K-module structure of their ring of regular functions.
description: v2, 39 pages, 11 tables, section 3.2 rewritten in more explicit terms. This is the second in a series of papers initiated by arXiv:1602.07141. Final version, to appear in Kyoto Journal of Mathematics
Manuale Guida SWAMP da INTERFACCIA
Creators: name: Ferretti, Roberta
Publisher: name: Zenodo
Year: 2023
Subjects: SWAMP; interface; guidance

description: Breve guida operativa che elenca la sequenza di operazioni de eseguire per la guida di SWAMP (Shallow Water Autonomous Multipurpose Platform) mediante Interfaccia. Vengono elencati anche le differenti modalità di guida implementate.
description: {"references": ["https://github.com/CorradoMotta/ASV_interface", "https://doi.org/10.1016/j.oceaneng.2020.108205"]}
Generalised Majority Colourings of Digraphs
Creators: name: Girão, António
name: Kittipassorn, Teeradej
name: Popielarz, Kamil
Publisher: name: arXiv
Year: 2017
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 05C15 (Primary), 05C20 (Secondary)

description: The purpose of this note is to draw attention to problems related to a concept called majority colouring recently studied by Kreutzer, Oum, Seymour, van der Zypen and Wood. They raised a problem of determining, for a natural number $k$, the smallest number $m=m(k)$ such that every digraph can be coloured with $m$ colours where each vertex has the same colour as at most $1/k$ proportion of its out-neighbours. We show that $m(k)\in\{2k-1,2k\}$. We also prove a result supporting the conjecture that $m(2)=3$. Moreover, we prove similar results for a more general concept called majority choosability.
description: 4 pages
Dobbs v. Jackson Women's Health: Undermining Public Health, Facilitating Reproductive Coercion.
Creators: name: Meier, Benjamin Mason
name: Jackson, Jason
name: Evans, Dabney P
name: Ahmed, Aziza
name: Tomori, Cecília
Publisher: name: Cambridge University Press (CUP)
Year: 2023

description:
Dobbs v. Jackson Women's Health continues a trajectory of U.S. Supreme Court jurisprudence that undermines the normative foundation of public health - the idea that the state is obligated to provide a robust set of supports for healthcare services and the underlying social determinants of health. Dobbs furthers a longstanding ideology of individual responsibility in public health, neglecting collective responsibility for better health outcomes. Such an ideology on individual responsibility not only enables a shrinking of public health infrastructure for reproductive health, it facilitates the rise of reproductive coercion and a criminal legal response to pregnancy and abortion. This commentary situates Dobbs in the context of a long historical shift in public health that increasingly places burdens on individuals for their own reproductive health care, moving away from the possibility of a robust state public health infrastructure.
Periodic behaviour of coronal mass ejections, eruptive events, and solar activity proxies during solar cycles 23 and 24
Creators: name: Barlyaeva, Tatiana
name: Wojak, Julien
name: Lamy, Philippe
name: Boclet, Brice
name: Toth, Imre
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: We report on the parallel analysis of the periodic behaviour of coronal mass ejections (CMEs) based on 21 years [1996 -- 2016] of observations with the SOHO/LASCO--C2 coronagraph, solar flares, prominences, and several proxies of solar activity. We consider values of the rates globally and whenever possible, distinguish solar hemispheres and solar cycles 23 and 24. Periodicities are investigated using both frequency (periodogram) and time-frequency (wavelet) analysis. We find that these different processes, in addition to following the $\approx$11-year Solar Cycle, exhibit diverse statistically significant oscillations with properties common to all solar, coronal, and heliospheric processes: variable periodicity, intermittence, asymmetric development in the northern and southern solar hemispheres, and largest amplitudes during the maximum phase of solar cycles, being more pronounced during solar cycle 23 than the weaker cycle 24. However, our analysis reveals an extremely complex and diverse situation. For instance, there exists very limited commonality for periods of less than one year. The few exceptions are the periods of 3.1--3.2 months found in the global occurrence rates of CMEs and in the sunspot area (SSA) and those of 5.9--6.1 months found in the northern hemisphere. Mid-range periods of $\approx$1 and $\approx$2 years are more wide spread among the studied processes, but exhibit a very distinct behaviour with the first one being present only in the northern hemisphere and the second one only in the southern hemisphere. These periodic behaviours likely results from the complexity of the underlying physical processes, prominently the emergence of magnetic flux.
description: 33 pages, 15 figures, 2 tables
Evidence for a Localised Source of the Argon in the Lunar Exosphere
Creators: name: Kegerreis, Jacob A.
name: Eke, Vincent R.
name: Massey, Richard J.
name: Beaumont, Simon K.
name: Elphic, Rick C.
name: Teodoro, Luis F.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We perform the first tests of various proposed explanations for observed features of the Moon's argon exosphere, including models of: spatially varying surface interactions; a source that reflects the lunar near-surface potassium distribution; and temporally varying cold trap areas. Measurements from the Lunar Atmosphere and Dust Environment Explorer (LADEE) and the Lunar Atmosphere Composition Experiment (LACE) are used to test whether these models can reproduce the data. The spatially varying surface interactions hypothesized in previous work cannot reproduce the persistent argon enhancement observed over the western maria. They also fail to match the observed local time of the near-sunrise peak in argon density, which is the same for the highland and mare regions, and is well reproduced by simple surface interactions with a ubiquitous desorption energy of 28 kJ/mol. A localised source can explain the observations, with a trade-off between an unexpectedly localised source or an unexpectedly brief lifetime of argon atoms in the exosphere. To match the observations, a point-like source requires source and loss rates of ~$1.9\times10^{21}$ atoms/s. A more diffuse source, weighted by the near-surface potassium, requires much higher rates of ~$1.1\times10^{22}$ atoms/s, corresponding to a mean lifetime of just 1.4 lunar days. We do not address the mechanism for producing a localised source, but demonstrate that this appears to be the only model that can reproduce the observations. Large, seasonally varying cold traps could explain the long-term fluctuation in the global argon density observed by LADEE, but not that by LACE.
description: Published in JGR: Planets. 19 pages, 10 figures
Rectifying full-counting statistics in a spin Seebeck engine
Creators: name: Tang, Gaomin
name: Chen, Xiaobin
name: Ren, Jie
name: Wang, Jian
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We investigate the rectification and negative differential effects of full-counting statistics of conjugate thermal spin transport in a spin Seebeck engine. The engine is made by an electron/magnon interface diode driven by a temperature bias, of which the scaled cumulant generating function is formulated in the framework of nonequilibrium Green's function. The strongly fluctuating interfacial electron density of states induced by quantum dot is responsible for these intriguing properties. This work is relevant for designing efficient spin caloritronic engine and can broaden our view in nonequilibrium thermodynamics and the nonlinear phenomenon in quantum transport system.
description: 10 pages, 4 figures
Fluctuation induced forces in the presence of mobile carrier drift
Creators: name: Shapiro, Boris
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: A small polarizable object (an atom, molecule or nanoparticle), placed above a medium with flowing dc current in it, is considered. It is shown that the dc current can have a strong effect on the force exerted on the particle. The Casimir-Lifshitz force, well studied in the absence of current, gets modified due to drifting mobile carriers in the medium. Furthermore, a force in the lateral direction appears. This force is a non-monotonic function of the drift velocity and its maximal value is comparable with the Casimir-Lifshitz force. If the temperatures of the medium and the particle are different, this lateral force can be directed along the current (drag) or in the opposite direction (anti-drag).
description: 24 pages
Note on the spectrum of classical and uniform exponents of Diophantine approximation
Creators: name: Marnat, Antoine
Publisher: name: arXiv
Year: 2017
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11J13

description: Using the Parametric Geometry of Numbers introduced recently by W.M. Schmidt and L. Summerer and results by D. Roy, we establish that the spectrum of the $2n$ exponents of Diophantine approximation in dimension $n\geq3$ is a subset of $\mathbb{R}^{2n}$ with non empty interior.
description: 7 pages
Adaptive quantum metrology under general Markovian noise
Creators: name: Demkowicz-Dobrzanski, R.
name: Czajkowski, J.
name: Sekatski, P.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider a general model of unitary parameter estimation in presence of Markovian noise, where the parameter to be estimated is associated with the Hamiltonian part of the dynamics. In absence of noise, unitary parameter can be estimated with precision scaling as $1/T$, where $T$ is the total probing time. We provide a simple algebraic condition involving solely the operators appearing in the quantum Master equation, implying at most $1/\sqrt{T}$ scaling of precision under the most general adaptive quantum estimation strategies. We also discuss the requirements a quantum error-correction like protocol must satisfy in order to regain the $1/T$ precision scaling in case the above mentioned algebraic condition is not satisfied. Furthermore, we apply the developed methods to understand fundamental precision limits in atomic interferometry with many-body effects taken into account, shedding new light on the performance of non-linear metrological models.
description: 13 pages, see also arXiv:1706.02445
O(N) and O(N) and O(N)
Creators: name: Gubser, Steven S.
name: Jepsen, Christian
name: Parikh, Sarthak
name: Trundy, Brian
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Three related analyses of $ϕ^4$ theory with $O(N)$ symmetry are presented. In the first, we review the $O(N)$ model over the $p$-adic numbers and the discrete renormalization group transformations which can be understood as spin blocking in an ultrametric context. We demonstrate the existence of a Wilson-Fisher fixed point using an $ε$ expansion, and we show how to obtain leading order results for the anomalous dimensions of low dimension operators near the fixed point. Along the way, we note an important aspect of ultrametric field theories, which is a non-renormalization theorem for kinetic terms. In the second analysis, we employ large $N$ methods to establish formulas for anomalous dimensions which are valid equally for field theories over the $p$-adic numbers and field theories on $\mathbb{R}^n$. Results for anomalous dimensions agree between the first and second analyses when they can be meaningfully compared. In the third analysis, we consider higher derivative versions of the $O(N)$ model on $\mathbb{R}^n$, the simplest of which has been studied in connection with spatially modulated phases. Our general formula for anomalous dimensions can still be applied. Analogies with two-derivative theories hint at the existence of some interesting unconventional field theories in four real Euclidean dimensions.
description: 44 pages, 8 figures
Observation of the motional Stark shift in low magnetic fields
Creators: name: Kaiser, Manuel
name: Grimmel, Jens
name: Torralbo-Campo, Lara
name: Mack, Markus
name: Karlewski, Florian
name: Jessen, Florian
name: Schopohl, Nils
name: Fortágh, József
Publisher: name: arXiv
Year: 2017
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We report on the observation of the motional Stark effect of highly excited $^{87}$Rb Rydberg atoms moving in the presence of a weak homogeneous magnetic field in a vapor cell. Employing electromagnetically induced transparency for spectroscopy of an atomic vapor, we observe the velocity-, quantum state- and magnetic field-dependent transition frequencies between the ground and Rydberg excited states. For atoms moving at velocities around $400\,\mathrm{m/s}$, the principal quantum number $n=100$ of the valence electron, and a magnetic field of $B=100\,\mathrm{G}$, we measure a motional Stark shift of $\sim10\,\mathrm{MHz}$. Our experimental results are supported by numerical calculations based on a diagonalization of the effective Hamiltonian governing the valence electron of $^{87}$Rb in the presence of crossed electric and magnetic fields.
description: 6 pages, 5 figures
Organizing Scientific Knowledge From Energy System Research Using the Open Research Knowledge Graph
Creators: name: Karras, Oliver
name: Göpfert, Jan-Maris
name: Kuckertz, Patrick
name: Pelser, Tristan
name: Auer, Sören
Publisher: name: Forschungzentrum Jülich
Year: 2023

description: 1st NFDI4Energy Conference, Hannover, Germany, 20 Feb 2024 - 21 Feb 2024; doi:10.34734/FZJ-2023-05323
description: see attached
Electron Density Profiles
Creators: name: Parrott, Jacob
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 510903
subject: Mesospheric, thermospheric, ionospheric and magnetospheric physics
classificationCode: 510906
subject: Space instrumentation

description: Output Data for figure 7 in section 4.Format is:Height PerameterElectron densityerror
Covid-19 Vaccine Monitoring project (CVM) - Statistical analysis plan for EHR data sources
Creators: name: Sturkenboom, Miriam
name: Perez-Gutthan, Susana
name: Durán, Carlos
name: Schultze, Anna
name: Bots, Sophie
name: Belitser, Svetlana
name: Garcia-Albeniz, Xabier
name: Martin, Ivonne
name: Klungel, Olaf
Publisher: name: Zenodo
Year: 2023
Subjects: COVID-19 vaccine, statistical analysis plan

description: This is the statistical analysis plan related to the protocol published in the EU PAS register at https://www.encepp.eu/encepp/viewResource.htm?id=42637 for the COVID-19 vaccine monitoring study (CVM)
description: Disclaimer & acknowledgement The research leading to these results was conducted as part of the activities of the EU PE&PV (Pharmacoepidemiology and Pharmacovigilance) Research Network (led by Utrecht University) in collaboration with the Vaccine Monitoring Collaboration for Europe network (VAC4EU). Scientific work for this project was coordinated by the University Medical Center Utrecht. The project has received support from the European Medicines Agency under the Framework service contract nr EMA/2018/23/PE. This report expresses the opinion of the authors and may not be understood or quoted as being made on behalf of or reflecting the position of the European Medicines Agency or one of its committees or working parties.