cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A statistical Analysis of Magnetic Field Changes in the Photosphere During Solar Flares Using High-cadence Vector Magnetograms and Their Association with Flare Ribbons
Creators: name: Yadav, Rahul
name: Kazachenko, Maria D.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We analyze high-cadence vector magnetograms (135~s) and flare-ribbon observations of 37 flares from the Solar Dynamics Observatory to understand the spatial and temporal properties of changes in the photospheric vector magnetic field and their relationship to footpoints of reconnected fields. Confirming previous studies, we find that the largest permanent changes in the horizontal field component lie near the polarity inversion line, whereas changes in the vertical field are less pronounced and are distributed throughout the active region. We find that pixels swept up by ribbons do not always exhibit permanent changes in the field. However, when they do, ribbon emission typically occurs several minutes before the start of field changes. The changes in the properties of the field show no relation to the size of active regions, but are strongly related to the flare-ribbon properties such as ribbon magnetic flux and ribbon area. For the first time, we find that the duration of permanent changes in the field is strongly coupled with the duration of the flare, lasting on average 29\% of the duration of the GOES flare. Our results suggest that changes in photospheric magnetic fields are caused by a combination of two scenarios: contraction of flare loops driven by magnetic reconnection and coronal implosion.
description: 18 pages, accepted for publication in ApJ
Responsible Investment in Germany, Austria, and Switzerland
Creators: name: Lobe, Sebastian
name: Walkshäusl, Christian
Publisher: name: Universität Regensburg
Year: 2014
Subjects: subject: socially responsible investments, performance evaluation, German-speaking countries
subject: 330 Wirtschaft

description: Sustainable and Responsible Investments (SRI) are booming in the US and Europe. In German-speaking countries, Switzerland is a leading force for SRI with an overall 2010 market volume of about US$45 billion, Germany’s SRI market covers middle ground with US$21 billion, while Austria’s is relatively small with US$3 billion. In this paper, we give a timely review on German-speaking countries’ attributes, responsible investment, and its legislation, whilst analyzing the financial performance and characteristics of socially responsible investments in the respective country’s stock markets. We focus on passive equity investments to obtain a most undistorted view on the performance and style of SRI strategies. The paper investigates two socially responsible investment strategies which are present in German-speaking countries: SRI in general and green investing in particular. First, both strategies do not have a performance which is different from conventional benchmarks controlling for well known characteristics. This inference is robust to five alternative asset pricing models using unconditional and conditional calendar-time factor regressions. Second, both socially responsible investment strategies have a higher systematic risk than their benchmark. Third, characteristics even beyond a size tilt are important in explaining responsible investment indices’ performance attribution like a momentum or an investment anomaly (both with negative coefficients).
Real-space Green's function approach for intrinsic losses in x-ray spectra
Creators: name: Kas, J. J.
name: Rehr, J. J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Intrinsic inelastic losses in x-ray spectra originate from excitations in an interacting electron system due to a suddenly created core-hole. These losses characterize the features observed in x-ray photoemission spectra (XPS), as well Here we present a complementary {\it ab initio} real-space Green's function (RSGF) generalization of the Langreth cumulant in terms of the dynamically screened core-hole interaction $W_c(ω)$ and the independent particle response function. We find that the cumulant kernel $β(ω)$ is analogous to XAS, but with the transition operator replaced by the core-hole potential with monopole selection rules. The behavior reflects the analytic structure of the loss function, with peaks near the zeros of the dielectric function, consistent with delocalized quasi-boson excitations. The approach simplifies when $W_c(ω)$ is localized and spherically symmetric. Illustrative results and comparisons are presented for the electron gas, sodium, and some early transition metal compounds.
Universal scaling of three-dimensional bosonic gases in a trapping potential
Creators: name: Ceccarelli, Giacomo
name: Nespolo, Jacopo
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We investigate the critical properties of cold bosonic gases in three dimensions, confined by an external quadratic potential coupled to the particle density, and realistically described by the Bose-Hubbard (BH) model. The trapping potential is often included in experiments with cold atoms and modifies the critical finite-size scaling of the homogeneous system in a non trivial way. The trap-size scaling (TSS) theory accounts for this effect through the exponent $θ$. We perform extensive simulations of the BH model at the critical temperature, in the presence of harmonic traps. We find that the TSS predictions are universal once we account for the effective way in which the trap locally modifies the chemical potential $μ$ of the system. The trap exponent for the BH model at $μ=0$ is the one corresponding to an effective quartic potential. At positive $μ$, evidence suggests that TSS breaks down sufficiently far from the centre of the trap, as the system encounters an effective phase boundary.
description: 9 pages, 10 figures. As published, appendix added from previous version
Dépistage de la rétinonopathie diabétique dans les images de fond d’œil grâce à l’apprentissage profond
Prix « Jeunes » André Blanc-Lapierre
Creators: name: Peskine, Youri
Publisher: name: SEE
Year: 2021

description: La rétinopathie diabétique est une maladie pouvant entraîner la cécité qui touche presque un tiers des patients atteints de diabètes. L’intelligence artificielle intervient lors du processus de son dépistage, de l’acquisition des images à leur analyse, et permet une nouvelle interprétation de la maladie. Les Prix « Jeunes » André Blanc-Lapierre ont été institués en mémoire de ce grand scientifique français, déclinés en Trophées régionaux puis en Prix national. Ces distinctions s’adressent aux établissements français d’enseignement supérieur dans les domaines de l’électricité, de l’électronique, des technologies de l’information et de la communication, en permettant aux meilleurs de leurs étudiants au niveau master / ingénieur, ainsi qu’à leur équipe pédagogique, de bénéficier d’une reconnaissance nationale.
Electricité, devoir de lucidité et rôle du nucléaire
Creators: name: Meyer, Bruno
Publisher: name: SEE
Year: 2021

description: Pour atteindre une neutralité carbone en 2050 en France, des scénarios ont été élaborés par les pouvoirs publics dans lesquels la part d’électricité évoluerait de 25 % à 50 % de la consommation d’énergie actuelle, en contradiction avec la diminution annoncée de la part du nucléaire dans le mix énergétique. En mars 2021, le Haut-Commissaire au plan, François Bayrou, a publié un rapport « Electricité : le devoir de lucidité » qui alerte sur les risques encourus d’une décroissance trop rapide de la part du nucléaire en France. Une vision partagée par d’autres pays qui estiment le nucléaire nécessaire pour atteindre la neutralité carbone.
Complete gravitational-waveform amplitude modes for quasi-circular compact binaries to the 3.5PN order
Creators: name: Henry, Quentin
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We complete the computation of the gravitational waveform amplitude for non-spinning compact binaries to the third and a half post-Newtonian (PN) order in the quasi-circular case. This is done by performing a spin-weighted spherical harmonics decomposition of the amplitude. This computation is achieved using the post-Newtonian-Multipolar-post-Minkowskian formalism. The amplitude modes are written in a PN expanded way as well as a factorized form suitable for EOB template building. Combining this work with previous ones, we provide in the supplemental materials the expressions of the modes including all non-spinning and spinning effects to the 3.5PN order for non-precessing quasi-circular binaries.
description: 21 pages
Primordial Magnetic Fields from the Post-Inflationary Universe
Creators: name: Kobayashi, Takeshi
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We explore cosmological magnetogenesis in the post-inflationary universe, when the inflaton oscillates around its potential minimum and the universe is effectively dominated by cold matter. During this epoch prior to reheating, large-scale magnetic fields can be significantly produced by the cosmological background. By considering magnetogenesis both during and after inflation, we demonstrate that magnetic fields stronger than 10^{-15} G can be generated on Mpc scales without having strong couplings in the theory, or producing too large electric fields that would dominate the universe.
description: 30 pages, 6 figures, v2: published in JCAP
Anisotropic diffusion of spherical particles in closely confining microchannels
Creators: name: Dettmer, Simon L
name: Pagliara, Stefano
name: Misiunas, Karolis
name: Keyser, Ulrich F
Publisher: name: arXiv
Year: 2014
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We present here the measurement of the diffusivity of spherical particles closely confined by narrow microchannels. Our experiments yield a two-dimensional map of the position-dependent diffusion coefficients parallel and perpendicular to the channel axis with a resolution down to 129 nm. The diffusivity was measured simultaneously in the channel interior, the bulk reservoirs, as well as the channel entrance region. In the channel interior we found strongly anisotropic diffusion. While the perpendicular diffusion coefficient close to the confining walls decreased down to approximately 25% of the value on the channel axis, the parallel diffusion coefficient remained constant throughout the entire channel width. In addition to the experiment, we performed finite element simulations for the diffusivity in the channel interior and found good agreement with the measurements. Our results reveal the distinctive influence of strong confinement on Brownian motion, which is of significance to microfluidics as well as quantitative models of facilitated membrane transport.
description: 8 pages, 6 figures
Empis (Enoplempis) manning Sinclair, Brooks & Cumming, 2025, sp. nov.
Creators: name: Sinclair, Bradley J.
name: Brooks, Scott E.
name: Cumming, Jeffrey M.
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Empididae
Empis
Empis manning

description: Empis (Enoplempis) manning sp. nov.
urn:lsid:zoobank.org:act: 456F69C3-BD44-46B8-A9A1-02F496F74900
(Figs 320, 326, 327, 329)
Type material. HOLOTYPE ♂, labelled: “CAN: BC: Manning Prov. Pk/ Simikameen R - Canyon Tr./ 20.vii.2015, 1213 m / N 49°04.07′W 120°48.19/ B.J. Sinclair ”; “ CNC/ 1078379 ”; “ HOLOTYPE / Empis (Enoplempis) / manning Sinclair,/ Brooks & Cumming [red label]” [dissected] (CNC). PARATYPES: CANADA. British Columbia: Same data as holotype (1♀, CNC); Manning PP, Lightning Lake, for., 22.vii.2015, 1265 m, N 49°03.52′ W 120°50.48′, B.J. Sinclair (2♀, CNC).
Diagnosis. This species is distinguished from other species of the subgenus by the grey body and males are very narrowly dichoptic, with unmodified hindleg (Fig. 320), hind tarsomere 1 slightly swollen, hind tibia without long anterior setae, cercus with straight dorsal margin (Fig. 326) and phallus with narrow base and arched apical third (Fig. 327).
Description. Wing length 5–5.5 mm. Male. Similar to E. (En.) susanae sp. nov., except as follows: terminalia (Figs 326, 327): cercus with straight dorsal margin; posterior half tapered, with pointed apex; setae shorter than width of cercus. Subepandrial process extending on either side of phallus. Epandrial lamella elongate, narrow, longer than height; posterior margin distinctly expanded dorsally, rounded, bearing long setae ventrally, length nearly subequal to width of epandrium. Hypandrium narrow, strap-like; without setae. Phallus (Fig. 327) with basal third slightly expanded, tapered apically, sinuous to strong bend at apical third; apical third arched; phallus opening appears restricted to tip [possibly damaged during preparation]; emerging beyond cerci; roughened subapical surface opposite apex of cercus; ejaculatory apodeme two-thirds length of epandrium, Y-shaped, with lateral apodemes positioned near ventral margin with short medial apodeme.
Female. Similar to male, except as follows: frons broader, slightly wider than anterior ocellus; legs stockier, without modified setae and processes; abdomen subshiny.Abdominal pleural membrane without darkened, expanded region; tergite 8 and syntergite 9+10 with pruinescence.
Geographical distribution and seasonal occurrence (Fig. 329). Empis (En.) manning sp. nov. is known only from the type locality in southern British Columbia. Adults were collected in July.
Etymology. The species name manning is a noun in apposition and is named after the provincial park where all the type specimens were collected.
Nuptial gift presentation. Form unknown.
description: Published as part of Sinclair, Bradley J., Brooks, Scott E. & Cumming, Jeffrey M., 2025, Revision of the western Nearctic species of Empis subgenus Enoplempis (Diptera: Empididae), pp. 1-200 in Zootaxa 5615 (1) on page 163, DOI: 10.11646/zootaxa.5615.1.1, http://zenodo.org/record/15217957
Treasure Maps for Detections of Extreme Energy Cosmic Rays
Creators: name: Globus, Noemie
name: Fedynitch, Anatoli
name: Blandford, Roger D.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The origin of Ultra High Energy Cosmic Rays is a 60-year old mystery. We show that with more events at the highest energies (above 150~EeV) it may be possible to limit the character of the sources and learn about the intervening magnetic fields. Individual sources become more prominent, relative to the background, as the horizon diminishes. An event-by-event, composition-dependent observatory would allow a ``tomography'' of the sources as different mass and energy groups probe different GZK horizons. A major goal here is to provide a methodology to distinguish between steady and transient or highly variable sources. Using recent Galactic magnetic field models, we calculate ``treasure'' sky maps to identify the most promising directions for detecting Extreme Energy Cosmic Rays (EECR) doublets, events that are close in arrival time and direction. On this basis, we predict the incidence of doublets as a function of the nature of the source host galaxy. Based on the asymmetry in the distribution of time delays, we show that observation of doublets might distinguish source models. In particular the Telescope Array hotspot could exhibit temporal variability as it is in a ``magnetic window'' of small time delays. These considerations could improve the use of data with existing facilities and the planning of future ones such as Global Cosmic Ray Observatory - GCOS.
description: 20 pages, 13 figures, submitted to the Astrophysical Journal
Radius-Dependent Spin Transition of Dark Matter Halos
Creators: name: Moon, Jun-Sung
name: Lee, Jounghun
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: A numerical detection of the radius-dependent spin transition of dark matter halos is reported. Analyzing the data from the IllustrisTNG simulations, we measure the halo spin vectors at several inner radii within the virial boundaries and investigate their orientations in the principal frames of the tidal and velocity shear fields, called the Tweb and Vweb, respectively. The halo spin vectors in the high-mass section exhibit a transition from the Tweb intermediate to major principal axes as they are measured at more inner radii, which holds for both of the dark matter and baryonic components. The radius threshold at which the transition occurs depends on the smoothing scale, $R_{f}$, becoming larger as $R_{f}$ decreases. For the case of the Vweb, the occurrence of the radius-dependent spin transition is witnessed only when $R_{f}\ge 1\, h^{-1}$Mpc. Repeating the same analysis but with the vorticity vectors, we reveal a critical difference from the spins. The vorticity vectors are always perpendicular to the Tweb (Vweb) major principal axes, regardless of $R_{f}$, which indicates that the halo inner spins are not strongly affected by the generation of vorticity. It is also shown that the halo spins, as well as the Tweb (Vweb) principal axes, have more directional coherence over a wide range of radial distances in the regions where the vorticity vectors have higher magnitudes. The physical interpretations and implications of our results are discussed.
description: Accepted for publication in ApJ, 18 figures, minor revision after referee's comments
Environmental bias and elastic curves on surfaces
Creators: name: Guven, Jemal
name: Valencia, Dulce María
name: Vázquez-Montejo, Pablo
Publisher: name: arXiv
Year: 2014
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: The behavior of an elastic curve bound to a surface will reflect the geometry of its environment. This may occur in an obvious way: the curve may deform freely along directions tangent to the surface, but not along the surface normal. However, even if the energy itself is symmetric in the curve's geodesic and normal curvatures, which control these modes, very distinct roles are played by the two. If the elastic curve binds preferentially on one side, or is itself assembled on the surface, not only would one expect the bending moduli associated with the two modes to differ, binding along specific directions, reflected in spontaneous values of these curvatures, may be favored. The shape equations describing the equilibrium states of a surface curve described by an elastic energy accommodating environmental factors will be identified by adapting the method of Lagrange multipliers to the Darboux frame associated with the curve. The forces transmitted to the surface along the surface normal will be determined. Features associated with a number of different energies, both of physical relevance and of mathematical interest, are described. The conservation laws associated with trajectories on surface geometries exhibiting continuous symmetries are also examined.
description: 30 pages, 3 figures
Entretien avec André Merlin, ancien Président de RTE, gestionnaire français du transport d’électricité
Energie, climat : l’apport incontournable de l’électronucléaire
Creators: name: Merlin, André
Publisher: name: SEE
Year: 2021

description: La prise de conscience du changement climatique conduit à abandonner progressivement les énergies carbonées. Dans ce contexte, l’électronucléaire devrait pouvoir trouver un regain d’intérêt. Ce n’est pourtant pas le cas. La France a décidé de réduire la part de cette énergie décarbonée à 50% du mix électrique d’ici 2035, conduisant à la fermeture de 14 réacteurs nucléaires. Pourtant au niveau mondial, l’Agence Internationale de l’Energie soutient l’énergie nucléaire. Dans son entretien avec REE, André Merlin, personnalité marquante des réseaux électriques français et européens, considère que pour réussir sa transition énergétique, la France doit miser sur un mix couplant le nucléaire et les renouvelables. L’Etat français doit soutenir sa filière nucléaire, en renouvelant son parc de centrales et continuer d’exporter son expertise nucléaire dans le monde.
Genetic Data Misuse: Risk to Fundamental Human Rights in Developed Economies
Creators: name: Selita, Fatos
Publisher: name: figshare
Year: 2023
Subjects: Other law and legal studies not elsewhere classified
Genetics not elsewhere classified
Bioethics

description: Abstract. The unprecedented and growing amount of predictive information we can draw from an individual’s genetic data poses serious threats to fundamental human rights for a number of reasons. Large-scale whole genome sequencing and data sharing, enabled by technological advancements, are ongoing internationally. The extent of data availability, and genetic data being the ‘gold mines’ of the 21st century, has led to large-scale data breaches being regular and unavoidable. The traditional protective measure – anonymisation of data – is ineffective in preventing re-identification of individuals. Moreover, genetic data are useful for more than a generation. Therefore, once information is extracted from genetic data and is in possession of potential misusers, even the discarding of sequenced genomes does not protect individuals from the numerous potential misuses of genetic information. Protection provided by the law is either non-existent or scattered across a number of legislations even in countries with recently updated laws, with fundamental rights being under threat. This threat is particularly imminent in developed economies, as genomic testing is becoming common and genomic medicine a reality. To protect individuals, societies must enact specific laws to regulate existing and anticipated uses of genetic information.
Einstein-Maxwell theory and the Weyl double copy
Creators: name: Easson, Damien A.
name: Manton, Tucker
name: Svesko, Andrew
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The Weyl double copy relates vacuum solutions in general relativity to Abelian gauge fields in Minkowski spacetime. In a previous work, we showed how the Weyl double copy can be extended to provide a treatment of external gravitational sources consistent with the classical Kerr-Schild double copy. Using this generalization, here we provide a complete double copy analysis of electrovacuum Petrov type D spacetimes. This includes the first analysis of the charged C-metric, whose single copy interpretation invokes the two-potential formalism of electrodynamics. We also present the first double copy prescription for the Ricci spinor, which for non-accelerating spacetimes, takes a form similar to the original double copy relation for the Weyl spinor.
description: 25 pages + an appendix
Retour sur l’histoire de l’électricité
Partie 2 : le temps des ingénieurs et des entrepreneurs
Creators: name: Ayrault, Bernard
Publisher: name: SEE
Year: 2021

description: Cette seconde partie évoque quelques points essentiels de décennies décisives, avant 1900, dans l’histoire des techniques, en soulignant le génie créatif de quelques acteurs.
High-order post-Newtonian contributions to the two-body gravitational interaction potential from analytical gravitational self-force calculations
Creators: name: Bini, Donato
name: Damour, Thibault
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We extend the analytical determination of the main radial potential describing (within the effective one-body formalism) the gravitational interaction of two bodies beyond the 4th post-Newtonian approximation recently obtained by us. This extension is done to linear order in the mass ratio by applying analytical gravitational self-force theory (for a particle in circular orbit around a Schwarzschild black hole) to Detweiler's gauge-invariant redshift variable. By using the version of black hole perturbation theory developed by Mano, Suzuki and Takasugi, we have pushed the analytical determination of the (linear in mass ratio) radial potential to the 6th post-Newtonian order (passing through 5 and 5.5 post-Newtonian terms). In principle, our analytical method can be extended to arbitrarily high post-Newtonian orders.
description: 21 pages; revtex macros used; revised version (minor changes, typos corrected)
Benchmarking between fluid and global models for low-pressure oxygen DC glow discharges
Creators: name: Viegas, Pedro
name: Dias, Tiago Cunha
name: Fromentin, Chloé
name: Chukalovsky, Alexander
name: Mankelevich, Yuri
name: Proshina, Olga
name: Rakhimova, Tatyana
name: Guerra, Vasco
name: Voloshin, Dmitry
Publisher: name: arXiv
Year: 2022
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: This work focuses on the benchmarking between a zero-dimensional (0D) global model (LoKI) and a one-dimensional (1D) radial fluid model for the positive column of oxygen DC glow discharges in a tube of 1 cm inner radius at pressures between 0.5 Torr and 10 Torr. The data used in the two models are the same, so that the difference between the models is reduced to dimensionality. A good agreement is found between the two models on the main discharge parameters, with relative differences below 5%. The agreement on species average number densities, charged and neutral, is slightly worse, with relative differences increasing with pressure from 11% at 0.5 Torr to 57% at 10 Torr. The success of the 0D global model in describing these plasmas through volume averaged quantities decreases with pressure, due to pressure-driven narrowing of radial profiles. Hence, in the studied conditions, we recommend the use of volume-averaged models only in the pressure range up to 10 Torr.
description: 31 pages, 11 figures
Fertility prediction challenge, Episode I:  does survey data beat population registries?
Creators: name: Sivak, Elizaveta
name: Stulp, Gert
name: Javier, Garcia-Bernardo
name: Nissim, Malvina
name: Emery, Tom
name: Mendrik, Adriënne
name: Pankowska, Paulina
Publisher: name: Zenodo
Year: 2023

description: Social sciences uncovered many factors associated with fertility outcomes but rarely assessed their predictive ability. Benchmarking predictive ability can give us insight into which factors are most important and how well we can explain fertility behavior, and also drive scientific progress. However, prediction benchmarks in social sciences are still rare. 
We conducted a pilot fertility prediction benchmark at SICSS-ODISSEI. Seven teams competed to predict having a(nother) child within the next three years (2020-2022) based on data up to and including 2019. The first phase was based on the survey data from the LISS, and the second phase – on administrative data collected by Statistics Netherlands (CBS). 
For both datasets, the predictive ability is low: the best F1 score is 0.59 for LISS and 0.54 for the CBS data. The best models are only able to identify half of positive cases. In the case of LISS, the most important variable is fertility intentions, followed by other factors related to views and behavior (division of childcare labor, political views, frequency of participant's contact with the mother) and several socio-demographic variables (urban place of residence, marriage status, age, dwelling type, cohabitation, having children). This demonstrates the importance of time-dependent fertility intentions for predicting the timing of children.
The pilot's results show modest predictability of having a new child in the next three years, with theory-identified factors being important but not very predictive. To further test fertility theories, advanced methods such as neural networks and transfer learning should be used that can leverage huge longitudinal datasets and combine the strengths of survey data and administrative data.
Nordlink, un câble géant entre Norvège et Allemagne pour accélérer la transition énergétique
Creators: name: Meyer, Bruno
Publisher: name: SEE
Year: 2021

description: Le 27 mai dernier, la chancelière Angela Merkel et son homologue norvégienne, Erna Solberg, ont inauguré le « Câble Vert » NordLink reliant les deux pays. La performance technologique est notable. En reliant deux systèmes électriques aux mix énergétiques complémentaires elle contribue à accélérer la transition énergétique européenne.
$A'$ view of the sunrise: Boosting helioscopes with angular information
Creators: name: Frerick, Jonas
name: Kahlhoefer, Felix
name: Schmidt-Hoberg, Kai
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The Sun may copiously produce hypothetical light particles such as axions or dark photons, a scenario which can be experimentally probed with so-called helioscopes. Here we investigate the impact of the angular and spectral distribution of solar dark photons on the sensitivity of such instruments. For the first time we evaluate this spectral and angular dependence of the dark photon flux over the whole mass range and apply this information to existing data from the Hinode Solar X-Ray Telescope. Specifically we use calibration images for a classical helioscope analysis as well as data from a solar eclipse providing sensitivity to exceptionally large oscillation lengths. We demonstrate that exploiting the signal features can boost the constraints by more than one order of magnitude in terms of the mixing parameter compared to a naive counting experiment.
description: 29 pages, 14 figures
L’avant et après-Covid dans les écoles d’ingénieurs. Le cas d’IMT Atlantique
Creators: name: Friedel, Paul
Publisher: name: SEE
Year: 2021

description: La covid-19 n’aura pas épargné l’enseignement supérieur, amené à mobiliser l’ensemble des acteurs pour maintenir la validité de deux années successives perturbées par la pandémie. Son Directeur analyse ici comment l’IMT Atlantique, dont l’histoire et le projet stratégique placent le numérique au cœur de son enseignement comme de sa recherche, a réagi aux divers aspects de la pandémie et rappelle les exigences renouvelées des formations supérieures.
Adaptive $h$-refinement for reduced-order models
Creators: name: Carlberg, Kevin
Publisher: name: arXiv
Year: 2014
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: This work presents a method to adaptively refine reduced-order models \emph{a posteriori} without requiring additional full-order-model solves. The technique is analogous to mesh-adaptive $h$-refinement: it enriches the reduced-basis space online by `splitting' a given basis vector into several vectors with disjoint support. The splitting scheme is defined by a tree structure constructed offline via recursive $k$-means clustering of the state variables using snapshot data. The method identifies the vectors to split online using a dual-weighted-residual approach that aims to reduce error in an output quantity of interest. The resulting method generates a hierarchy of subspaces online without requiring large-scale operations or full-order-model solves. Further, it enables the reduced-order model to satisfy \emph{any prescribed error tolerance} regardless of its original fidelity, as a completely refined reduced-order model is mathematically equivalent to the original full-order model. Experiments on a parameterized inviscid Burgers equation highlight the ability of the method to capture phenomena (e.g., moving shocks) not contained in the span of the original reduced basis.
description: submitted to the International Journal for Numerical Methods in Engineering, Special Issue on Model Reduction
Entretien avec Dominique Lagarde, Directeur de la Stratégie, Enedis
Enedis, entreprise de service public au service de la transition énergétique
Creators: name: Lagarde, Dominique
Publisher: name: SEE
Year: 2021

description: La transition énergétique a un fort impact sur le rôle et les métiers des distributeurs d’électricité, qui en sont des acteurs majeurs. Le directeur de la stratégie d’Enedis, qui gère le réseau public de distribution d’électricité sur 95 % du territoire français, fait un point sur ces évolutions et sur les perspectives ouvertes.
A solar metallicity galaxy at $z >$ 7? Possible detection of the [N II] 122 $μ$m and [O III] 52 $μ$m lines
Creators: name: Killi, Meghana
name: Watson, Darach
name: Fujimoto, Seiji
name: Akins, Hollis
name: Knudsen, Kirsten
name: Richard, Johan
name: Harikane, Yuichi
name: Rigopoulou, Dimitra
name: Rizzo, Francesca
name: Ginolfi, Michele
name: Popping, Gergö
name: Kokorev, Vasily
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the first detection of the [N II] 122 $μ$m and [O III] 52 $μ$m lines for a reionisation-epoch galaxy. Based on these lines and previous [C II] 158 $μ$m and [O III] 88 $μ$m measurements, using two different radiative transfer models of the interstellar medium, we estimate an upper limit on electron density of $\lesssim$ 500 cm$^{-3}$ and a gas-phase metallicity $Z/Z_\odot \sim 1.1 \pm 0.2$ for A1689-zD1, a gravitationally-lensed, dusty galaxy at $z$ = 7.133. Other measurements or indicators of metallicity so far in galaxy interstellar media at $z \gtrsim$ 6 are typically an order of magnitude lower than this. The unusually high metallicity makes A1689-zD1 inconsistent with the fundamental metallicity relation, although there is likely significant dust obscuration of the stellar mass, which may partly resolve the inconsistency. Given a solar metallicity, the dust-to-metals ratio is a factor of several lower than expected, hinting that galaxies beyond $z \sim$ 7 may have lower dust formation efficiency. Finally, the inferred nitrogen enrichment compared to oxygen, on which the metallicity measurement depends, indicates that star-formation in the system is older than about 250 Myr, pushing the beginnings of this galaxy to $z >$ 10.
description: 10 pages, 7 figures; Published MNRAS: 06 March 2023
title: From Thermoelectric Powder Directly to Thermoelectric Generators : Flexible Bi₂Te₃ Films on Polymer Sheets Prepared by the Powder Aerosol Deposition Method at Room Temperature
Creators: name: Werner, Robin
name: Matejka, Johanna S.
name: Schönauer-Kamin, Daniela
name: Moos, Ralf
Publisher: name: University of Bayreuth
Year: 2022
Subjects: subject: flexible thermoelectric generators
subject: nanostructured Bi₂Te₃
subject: powder aerosol deposition method
subject: room-temperature thermoelectric generators
subject: 620

description: The powder aerosol deposition (PAD) method is a spray-coating process to form dense, nanocrystalline ceramic films at room temperature without thermal treatment. Herein, the thermoelectric properties of PAD-deposited Bi2Te3 films are investigated. The powders are deposited on rigid Al2O3 substrates and on flexible polymer sheets (Kapton and Mylar) attached to Kanthal foils. A low thermal conductivity of λ = 0.12 W m−1 K−1, an electrical conductivity of σ = 29.8 S cm−1, and a Seebeck coefficient of S = –145 μV K−1 are determined on Al2O3. To evaluate the flexibility of the Bi2Te3 films deposited on flexible polymer sheets, the electrical conductivity and the Seebeck coefficient are measured before, during, and again after bending. While the Seebeck coefficient remains unaffected by the bending process and the bending radius, the electrical conductivity deteriorates to some extent during bending. Subsequent measurements in the nonbent planar state reveal, however, that the conductivity is restored partially. Furthermore, first, flexible thermoelectric generators could be prepared and characterized. PAD offers enormous potential not only in the combination of Bi2Te3 films on polymer sheets without thermal treatment, but also for manufacturing flexible thermoelectric generators in general.
Spiritual aftereffects of incongruous near-death experiences: A heuristic approach
Creators: name: Robert Waxman, Ph.D.
Publisher: name: Zenodo
Year: 2012
Subjects: subject: near-death experience, NDE, near-death after-effects, cognitive dissonance, afterlife, consciousness, perceptual studies, veridical perception, dying brain, spiritual transformation, out of body experience
subject: https://pqdtopen.proquest.com/doc/1292885583.html?FMT=ABS

description: Abstract

Many individuals have experienced a transformation of their spirituality after a near-death experience (NDE). Some of these near-death experiencers (NDErs) have reported an incongruous spiritual experience (ISE) during their NDEs. An incongruous spiritual experience occurs when NDErs perceive certain communications and/or visions that are incompatible or inconsistent with their previous religious/spiritual beliefs. In the present study the researcher examined NDE and ISE-related phenomena utilizing the qualitative techniques of heuristic analysis. An initial pool of 84 survey participants completed Greyson's NDE Scale and a questionnaire developed by the researcher to measure various elements of an incongruous spiritual experience. Subsequently, eight participants were interviewed utilizing Moustakas's heuristic analysis to investigate their NDE/ISE-related experiences. The results indicated that each participant altered or changed their religious/spiritual beliefs after coping with varying intensities of cognitive dissonance. Therefore, it was concluded that the participants' reports of incongruous elements during their NDEs were spiritually transformative.
description: ISBN:	9781267904744
description: {"references": ["Spiritual aftereffects of incongruous near-death experiences: A heuristic approach by Waxman, Robert, Ph.D., Saybrook University, 2012, 180; 3552161"]}
Second order symmetry operators
Creators: name: Andersson, Lars
name: Bäckdahl, Thomas
name: Blue, Pieter
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Analysis of PDEs (math.AP)
subject: FOS: Physical sciences
subject: FOS: Mathematics
subject: 58J70, 35Q61, 83C60, 83C50, 83-04

description: Using systematic calculations in spinor language, we obtain simple descriptions of the second order symmetry operators for the conformal wave equation, the Dirac-Weyl equation and the Maxwell equation on a curved four dimensional Lorentzian manifold. The conditions for existence of symmetry operators for the different equations are seen to be related. Computer algebra tools have been developed and used to systematically reduce the equations to a form which allows geometrical interpretation.
description: 34 pages. Mathematica notebook available from http://hdl.handle.net/10283/541
Impact de la 5G sur l’industrie européenne des télécoms - Partie 1 : les ruptures technologiques
Creators: name: Debaille, Suzanne
name: Manteau, Denis
Publisher: name: SEE
Year: 2021

description: Alors que le processus de virtualisation des fonctions des réseaux (NFV) s’accélère avec l’arrivée de la 5G, cet article propose de faire le point sur cette technologie et son évolution.
Sub-dominant Type II Seesaw as an Origin of Non-zero $θ_{13}$ in SO(10) model with TeV scale $Z^\prime$ Gauge Boson
Creators: name: Borah, Debasish
name: Patra, Sudhanwa
name: Pritimita, Prativa
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss a class of left-right symmetric models where the light neutrino masses originate dominantly from type I seesaw mechanism along with a sub-dominant type II seesaw contribution. The dominant type I seesaw gives rise to tri-bimaximal type neutrino mixing whereas sub-dominant type II seesaw acts as a small perturbation giving rise to non-zero $θ_{13}$ in our model which also has TeV scale right-handed neutrinos and $Z^\prime$ gauge boson thereby making the model verifiable at current accelerator experiments. Sub-dominant type II and dominant type I seesaw can be naturally accommodated by allowing spontaneous breaking of D-parity and $SU(2)_R$ gauge symmetry at high scale and allowing TeV scale breaking of $U(1)_{R} \times U(1)_{B-L}$ into $U(1)_Y$. We also embed the left-right model in a non-supersymmetric $SO(10)$ grand unified theory (GUT) with verifiable TeV scale $Z^\prime$ gauge boson. Drawing it to an end, we scrutinize in detail the evaluation of one-loop renormalization group evolution for relevant gauge couplings and estimation of the proton life time which can be accessible to the foreseeable experiments. And in the aftermost part we make an estimation of branching ratio for lepton flavor violating process $μ\rightarrow e + γ$ as a function of type II seesaw strength due to doubly charged component of the right handed Higgs triplet with mass at the TeV scale, which can be accessible at ongoing experiments.
description: v2: 30 pages, 8 figures, minor revision, matches the version to be published in Nuclear Physics B
Impact de la 5G sur l’industrie européenne des télécoms - Partie 2 : le point de vue des industriels
Creators: name: Debaille, Suzanne
name: Manteau, Denis
Publisher: name: SEE
Year: 2021

description: En Europe, le déploiement de la 5G sera une des clés de la réindustrialisation. L’industrie télécom européenne est sur la défensive, mais elle a la capacité d’innover et de créer un écosystème favorable à la 5G.
Validity of the GGE for quantum quenches from interacting to noninteracting models
Creators: name: Sotiriadis, Spyros
name: Calabrese, Pasquale
Publisher: name: arXiv
Year: 2014
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: In the majority of the analytical verifications of the conjecture that the Generalised Gibbs Ensemble describes the large time asymptotics of local observables in quantum quench problems, both the post-quench and the pre-quench Hamiltonians are essentially noninteracting. We test this conjecture studying the field correlations in the more general case of an arbitrary pre-quench Hamiltonian, while keeping the post-quench one noninteracting. We first show that in the previously studied special case of a noninteracting pre-quench Hamiltonian, the validity of the conjecture is a consequence of Wick's theorem. We then show that it is also valid in the general case of an arbitrary interacting pre-quench Hamiltonian, but this time as a consequence of the cluster decomposition property of the initial state, which is a fundamental principle for generic physical states. For arbitrary initial states that do not satisfy the cluster decomposition property, the above conjecture is not generally true. As a byproduct of our investigation we obtain an analytical derivation of earlier numerical results for the large time evolution of correlations after a quantum quench of the interaction in the Lieb-Liniger model from a nonzero value to zero.
description: 16 pages
Nonlocal corrections to dynamical mean-field theory from the two-particle self-consistent method
Creators: name: Martin, N.
name: Gauvin-Ndiaye, C.
name: Tremblay, A. -M. S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Theoretical methods that are accurate for both short-distance observables and long-wavelength collective modes are still being developed for the Hubbard model. Here, we benchmark an approach that combines dynamical mean-field theory (DMFT) observables with the two-particle self-consistent theory (TPSC). This offers a way to include non-local correlations in DMFT while also improving TPSC. The benchmarks are published diagrammatic quantum Monte Carlo results for the two-dimensional square lattice Hubbard model with nearest-neighbor hopping. This method (TPSC+DMFT) is relevant for weak to intermediate interaction, satisfies the local Pauli principle and allows us to compute a spin susceptibility that satisfies the Mermin-Wagner theorem. The DMFT double occupancy determines the spin and charge vertices through local spin and charge sum rules. The TPSC self-energy is also improved by replacing its local part with the local DMFT self-energy. With this method, we find improvements for both spin and charge fluctuations and for the self-energy. We also find that the accuracy check developed for TPSC is a good predictor of deviations from benchmarks for this model. TPSC+DMFT can be used in regimes where quantum Monte Carlo is inaccessible. In addition, this method paves the way to multi-band generalizations of TPSC that could be used in advanced electronic structure codes that include DMFT.
description: 15 pages, 19 figures. Changes from v2: added panels on some figures showing relative deviation from benchmarks, updated references. The self-energy results subsection has been slightly reworded
Electron and neutrino scattering off the deuteron in a relativistic framework
Creators: name: Grassi, A.
name: Golak, J.
name: Polyzou, W. N.
name: Skibiński, R.
name: Witała, H.
name: Kamada, H.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We build a relativistic model to perform calculations of exclusive, semi-exclusive and inclusive unpolarized cross sections and various polarization observables in electron and neutrino scattering experiments with deuteron targets. The strong interaction dynamics is defined by an explicit dynamical unitary representation of the Poincaré group, where representations of space translations and rotations in the interacting and non-interacting representations are the same. The Argonne V18 potential is used to construct a relativistic nucleon-nucleon interaction reproducing the experimental deuteron binding energy and nucleon-nucleon scattering observables. Our formalism does not include the pion production channel and neglects two-body contributions in the electromagnetic as well as in the weak nuclear current operator. We show that it is applicable to processes at kinematics, where the internal two-nucleon energy remains below the pion production threshold but the magnitude of the three-momentum transfer extends at least to several GeV.
description: 59 pages, 29 figures
Leer para liberar la zona del no-ser: agenciamientos críticos y subversiones de-lo-posible en el marco de una gramática letrada abyecta
Creators: name: González, Aldo Ocampo
Publisher: name: figshare
Year: 2020
Subjects: Education

description: Los problemas de investigación sobre lectura, en esta oportunidad, toman distancia de un corpus de preocupaciones centradas en los dispositivos didácticos y en las tradicionales formas de mediación de la lectura. Más bien, inscriben su campo de interés en la búsqueda de ensamblajes críticos para re-pensar el alcance y la función del derecho a la lectura, recuperando mayoritariamente la contribución de la sociología jurídica impulsada por Boaventura de Sousa Santos. Para ello, es necesario orquestar un conjunto de reflexiones que se sitúan en campos alejados a la actividad heurística y a los problemas que comúnmente convergen en la educación literaria y lectora, así como, en los territorios estriados y en las trayectorias rizomáticas de la educación inclusiva.