cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
One-loop chiral amplitudes of Moller scattering process
Creators: name: Ahmadov, A. I.
name: Bystritskiy, Yu. M.
name: Ilyichev, A. N.
name: Kuraev, E. A.
name: Zykunov, V. A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The high energy amplitudes of the large angles Moller scattering are calculated in frame of chiral basis in Born and 1-loop QED level. Taking into account as well the contribution from emission of soft real photons the compact relations free from infrared divergences are obtained. The expressions for separate chiral amplitudes contribution to the cross section are in agreement with renormalization group predictions.
description: 15 pages, 3 figures
Discovery of 6.035GHz Hydroxyl Maser Flares in IRAS18566+0408
Creators: name: Al-Marzouk, A. A.
name: Araya, E. D.
name: Hofner, P.
name: Kurtz, S.
name: Linz, H.
name: Olmi, L.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report the discovery of 6.035GHz hydroxyl (OH) maser flares toward the massive star forming region IRAS18566+0408 (G37.55+0.20), which is the only region known to show periodic formaldehyde (4.8 GHz H2CO) and methanol (6.7 GHz CH3OH) maser flares. The observations were conducted between October 2008 and January 2010 with the 305m Arecibo Telescope in Puerto Rico. We detected two flare events, one in March 2009, and one in September to November 2009. The OH maser flares are not simultaneous with the H2CO flares, but may be correlated with CH3OH flares from a component at corresponding velocities. A possible correlated variability of OH and CH3OH masers in IRAS18566+0408 is consistent with a common excitation mechanism (IR pumping) as predicted by theory.
description: Accepted for publication in the Astrophysical Journal
Goethes Werke, Band XII: Schriften zur Kunst, Schriften zur Literatur, Maximen und Reflexionen
Creators: name: Rave, Paul Ortwin
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2019

description: Rezension zu: Goethes Werke, Band XII: Schriften zur Kunst, Schriften zur Literatur, Maximen und Reflexionen. Hamburg, Christian Wegner Verlag, 1953. 742 S.
description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 8 Nr. 3 (1955): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Transport Coefficients in Gluodynamics: From Weak Coupling towards the Deconfinement Transition
Creators: name: Bluhm, M.
name: Kampfer, B.
name: Redlich, K.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the ratio of bulk to shear viscosity in gluodynamics within a phenomenological quasiparticle model. We show that at large temperatures this ratio exhibits a quadratic dependence on the conformality measure as known from weak coupling perturbative QCD. In the region of the deconfinement transition, however, this dependence becomes linear as known from specific strongly coupled theories. The onset of the strong coupling behavior is located near the maximum of the scaled interaction measure. This qualitative behavior of the viscosity ratio is rather insensitive to details of the equation of state.
description: Oct 2011. 3 pages. 3 figures. Contribution to the proceedings of the 19th Particles and Nuclei International Conference (PANIC11)
TS4NFDI Incubator Projects
Creators: name: Baum, Roman
name: Bailly, Kolja
name: Bouazzouni, Syphax
name: Frey, Kevin
name: Karam, Naouel
name: Koepler, Oliver
name: Mühlhaus, Timo
name: Oladazimi, Pooya
name: Sasse, Julia
name: Voß, Jakob
Publisher: name: Zenodo
Year: 2025
Subjects: subject: Semantic web
subject: Ontology

description: TS4NFDI Incubators

Overview of topics:

What are incubators?

Possible Goals

Hosting of terminologies

Setup a terminology service

Adding terminology services to the TS4NFDI API Gateway

Adding mappings to the mapping service

Integration of Terminology Service Suite widgets

Provision of collection(s) via TS4NFDI API Gateway

Practical examples from the first Incubator cycle.

And most important: How to get involved?
Ausstellungskalender
Creators: name: Redaktion, Die
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2019

description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 8 Nr. 4 (1955): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Einstein is Newton with space curved
Creators: name: Dadhich, Naresh
Publisher: name: arXiv
Year: 2012
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The two defining features of the Einsteinian gravity are that it is self interactive as well as it links universally to all particles including zero mass particles. In the process of obtaining the Schwarzshild solution for gravitational field of a mass point, we would demonstrate how are these features incorporated? We would also show, unlike the Newtonian gravity, why the gravitational potential in the Schwarzshild solution can have its zero only at infinity and nowhere else;i.e. it is determined absolutely. We also consider particle orbits to expose certain insightful and subtle points of concept and principle.
description: 5 pages, A pedagogical note
Theoretical study of magnetic properties and hyperfine interactions in $σ$-FeV alloys
Creators: name: Cieslak, Jakub
name: Tobola, Janusz
name: Dubiel, Stanislaw M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Electronic structure Korringa-Kohn-Rostoker calculations for the $σ$-phase in Fe$_{100-x}$V$_x$ were performed in compositional range of its occurance ($\sim 34 \le x \le \sim 65$). Fe and V magnetic moments and hyperfine fields were determined for five inequivalent lattice sites in two models of magnetic structure, namely ferromagnetic FM and so-called anti-parallel one, APM, dominated by antiferromagnetic coupling. The average magnetic moments calculated for FM state overestimate the experimental data, whereas the corresponding quantities computed for APM state, underestimate them. Such a behavior remains in line with total energy values being similar for both models. The calculations showed that both average magnetic moments and hyperfine fields (on Fe and V atoms) vary with a number of Fe atoms in the nearest neighbor shell, $NN_{Fe}$, starting from critical values of $NN_{Fe}$, characteristic of each site. The calculated hyperfine fields for Fe and V showed an important role of valence contributions, being strongly dependent on local magnetic moments arrangements. In the case of Fe, the computed hyperfine fields are overestimated with respect to the Mossbauer data, while the corresponding values for V are underestimated with respect to the NMR results. However, the linear correlation between average magnetic moment and hyperfine fields, observed experimentally in FeV $σ$-phase, can be well reproduced when combining theoretical results for the two above-mentioned magnetic structure models.
The Characteristic Star Formation Histories of Galaxies at Redshifts z~2-7
Creators: name: Reddy, Naveen A.
name: Pettini, Max
name: Steidel, Charles C.
name: Shapley, Alice E.
name: Erb, Dawn K.
name: Law, David R.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: A large sample of spectroscopically confirmed galaxies at 1.42. The SFRs of z~2-3 galaxies are directly proportional to their stellar masses M*, with unity slope---a result that is confirmed with Spitzer/IRAC stacks of 1179 UV-faint (R>25.5) galaxies---for M*>5e8 Msun and SFRs >2 Msun/yr. We interpret this result in the context of several systematic biases that can affect determinations of the SFR-M* relation. The average specific SFRs at z~2-3 are similar within a factor of two to those measured at z>4, implying an average SFH where SFRs increase with time. A consequence of these rising SFHs is that (a) a substantial fraction of UV-bright z~2-3 galaxies had faint sub-L* progenitors at z>4; and (b) gas masses must increase with time from z=7 to 2, over which time the net cold gas accretion rate---as inferred from the specific SFR and the Kennicutt-Schmidt relation---is ~2-3x larger than the SFR . However, if we evolve to higher redshift the SFHs and masses of the halos that are expected to host L* galaxies at z~2, we find that <10% of the baryons accreted onto typical halos at z>4 actually contribute to star formation at those epochs. These results highlight the relative inefficiency of star formation even at early cosmic times when galaxies were first assembling. [Abridged]
description: 34 pages, 29 figures, 8 tables, accepted for publication in ApJ
The Geometry of Meaning: Encoding  Information in Recursive Phase Loops
Creators: name: Sixta, David
Publisher: name: Zenodo
Year: 2025
Subjects: subject: Geometry
subject: Algebra
subject: Operator algebra
subject: Linear algebra
subject: Commutative algebra
subject: Algebraic geometry
subject: Algebraic topology

description: Information is embedded in the structure of recursive phase loops.  Sixta Theory treats all knowledge, memory, and perception as geometric encodings within twist harmonics. This paper defines a model for how  meaning emerges from geometry and how the universe itself is a phase resonant information network.
title:   TEACHING SOCIAL COMMUNICATIVE INTENTS TO ELEMENTARY AGED STUDENTS THROUGH THE USE OF AIDED LANGUAGE MODELING
Creators: name: Kousins, Kaitlyn Yvette
Publisher: name: University of Kentucky Libraries
Year: 2022
Subjects: subject: FOS: Educational sciences
valueUri: http://www.oecd.org/science/inno/38235147.pdf

description: The purpose of this study was to extend the research of using aided language modeling as an intervention with elementary aged students with extensive support and complex communication needs. A multiple probe design across participants was used to determine if there is a functional between an aided language modeling intervention and improvements in contextually relevant initiations (i.e., requests and comments) between children with extensive support and complex communication needs. The results showed that using aided language modeling within play-based sessions was effective in teaching social communicative intents to students with extensive support and complete communication needs.
description: © 2022 Kaitlyn Yvette Kousins
Microscopic mechanism of low thermal conductivity in lead-telluride
Creators: name: Shiga, Takuma
name: Shiomi, Junichiro
name: Ma, Jie
name: Delaire, Olivier
name: Radzynski, Tomasz
name: Lusakowski, Andrzej
name: Esfarjani, Keivan
name: Chen, Gang
Publisher: name: arXiv
Year: 2012
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The microscopic physics behind low lattice thermal conductivity of single crystal rocksalt lead telluride (PbTe) is investigated. Mode-dependent phonon (normal and umklapp) scattering rates and their impact on thermal conductivity were quantified by the first-principles-based anharmonic lattice dynamics calculations that accurately reproduce thermal conductivity in a wide temperature range. The low thermal conductivity of PbTe is attributed to the scattering of longitudinal acoustic phonons by transverse optical phonons with large anharmonicity, and small group velocity of the soft transverse acoustic phonons. This results in enhancing the relative contribution of optical phonons, which are usually minor heat carrier in bulk materials.
description: 18 pages, 4 figures, accepted for publication in Phys. Rev. B
Spontaneous formation of flux concentrations in a stratified layer
Creators: name: Kemel, Koen
name: Brandenburg, Axel
name: Kleeorin, Nathan
name: Mitra, Dhrubaditya
name: Rogachevskii, Igor
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The negative effective magnetic pressure instability discovered recently in direct numerical simulations (DNS) may play a crucial role in the formation of sunspots and active regions in the Sun and stars. This instability is caused by a negative contribution of turbulence to the effective mean Lorentz force (the sum of turbulent and non-turbulent contributions) and results in formation of large-scale inhomogeneous magnetic structures from initial uniform magnetic field. Earlier investigations of this instability in DNS of stably stratified, externally forced, isothermal hydromagnetic turbulence in the regime of large plasma beta are now extended into the regime of larger scale separation ratios where the number of turbulent eddies in the computational domain is about 30. Strong spontaneous formation of large-scale magnetic structures is seen even without performing any spatial averaging. These structures encompass many turbulent eddies. The characteristic time of the instability is comparable to the turbulent diffusion time, L^2/eta_t, where eta_t is the turbulent diffusivity and L is the scale of the domain. DNS are used to confirm that the effective magnetic pressure does indeed become negative for magnetic field strengths below the equipartition field. The dependence of the effective magnetic pressure on the field strength is characterized by fit parameters that seem to show convergence for larger values of the magnetic Reynolds number.
description: 14 pages, 8 figures, submitted to special issue "Advances of European Solar Physics" in Solar Physics
Lagrangian study of transport and mixing in a mesoscale eddy street
Creators: name: Prants, S. V.
name: Budyansky, M. V.
name: Ponomarev, V. I.
name: Uleysky, M. Yu.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We use dynamical systems approach and Lagrangian tools to study surface transport and mixing of water masses in a selected coastal region of the Japan Sea with moving mesoscale eddies associated with the Primorskoye Current. Lagrangian trajectories are computed for a large number of particles in an interpolated velocity field generated by a numerical regional multi-layer eddy-resolving circulation model. We compute finite-time Lyapunov exponents for a comparatively long period of time by the method developed and plot the Lyapunov synoptic map quantifying surface transport and mixing in that region. This map uncovers the striking flow structures along the coast with a mesoscale eddy street and repelling material lines. We propose new Lagrangian diagnostic tools --- the time of exit of particles off a selected box, the number of changes of the sign of zonal and meridional velocities --- to study transport and mixing by a pair of strongly interacting eddies often visible at sea-surface temperature satellite images in that region. We develop a technique to track evolution of clusters of particles, streaklines and material lines. The Lagrangian tools used allow us to reveal mesoscale eddies and their structure, to track different phases of the coastal flow, to find inhomogeneous character of transport and mixing on mesoscales and submesoscales and to quantify mixing by the values of exit times and the number of times particles wind around the eddy's center.
Samara no. 9 [French].
Creators: name: Millennium Seed Bank Project
Publisher: name: Royal Botanic Gardens, Kew
Year: 2005
Subjects: Botswana
Ex situ conservation
Malawi
Seed collecting
Seed size
Seed banks
South Australia
Chile
St. Helena
Australia
New South Wales
Cryo-biology
Namibia
Burkina Faso
Mali
Plant conservation
Mexico
Millennium Seed Bank Project

description: IF = None.
description: Ardingly, West Sussex
ЭКОТЕХНОЛОГИИ КАК ОСНОВА ЗЕЛЁНОЙ ЭКОНОМИКИ
Creators: name: Комилова, Нурджоной
Publisher: name: Zenodo
Year: 2025

description: Внедрение экологических технологий играетключевую роль в развитии зелёной экономики. Современные инновации позволяют снизить уровеньзагрязнения окружающей среды, повыситьэффективность использования природных ресурсов иминимизировать отходы. В статье рассматриваютсяосновные направления экотехнологий и их влияниена устойчивое развитие.
Entangled spin-orbital phases in the bilayer Kugel-Khomskii model
Creators: name: Brzezicki, Wojciech
name: Oleś, Andrzej M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We derive the Kugel-Khomskii spin-orbital (SO) model for a bilayer and investigate its phase diagram depending on Hund's exchange $J_H$ and the $e_g$ orbital splitting $E_z$. In the (classical) mean-field approach with on-site spin $$ and orbital $$ order parameters and factorized spin-and-orbital degrees of freedom, we demonstrate a competition between the phases with either $G$-type or $A$-type antiferromagnetic (AF) or ferromagnetic long-range order. Next we develop a Bethe-Peierls-Weiss method with a Lanczos exact diagonalization of a cube coupled to its neighbors in $ab$ planes by the mean-field terms --- this approach captures quantum fluctuations on the bonds which decide about the nature of disordered phases in the highly frustrated regime near the orbital degeneracy. We show that the long-range spin order is unstable in a large part of the phase diagram which contains then six phases, including also the valence-bond phase with interlayer spin singlets stabilized by holes in $3z^2-r^2$ orbitals (VB$z$ phase), a disordered plaquette valence-bond (PVB) phase and a crossover phase between the VB$z$ and the $A$-type AF phase. When on-site SO coupling is also included by the $$ order parameter, we discover in addition two entangled phases which compete with $A$-type AF phase and another crossover phase in between the $G$-AF phase with occupied $x^2-y^2$ orbitals and the PVB phase. Thus, the present bilayer model provides an example of SO entanglement which generates novel disordered phases. We analyze the order parameters in all phases and identify situations where SO entanglement is crucial and factorization of the spins and orbitals leads to qualitatively incorrect results. We point out that SO entanglement may play a role in a bilayer fluoride K$_3$Cu$_2$F$_7$ which is a realization of the VB$z$ phase.
description: 22 pages, 21 figures
Electron rescattering at metal nanotips induced by ultrashort laser pulses
Creators: name: Wachter, Georg
name: Lemell, Christoph
name: Burgdörfer, Joachim
name: Schenk, Markus
name: Krüger, Michael
name: Hommelhoff, Peter
Publisher: name: arXiv
Year: 2012
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We report on the first investigation of plateau and cut-off structures in photoelectron spectra from nano-scale metal tips interacting with few-cycle near-infrared laser pulses. These hallmarks of electron rescattering, well-known from atom-laser interaction in the strong-field regime, appear at remarkably low laser intensities with nominal Keldysh parameters of the order of $\gtrsim 10$. Quantum and quasi-classical simulations reveal that a large field enhancement near the tip and the increased backscattering probability at a solid-state target play a key role. Plateau electrons are by an order of magnitude more abundant than in comparable atomic spectra, reflecting the high density of target atoms at the surface. The position of the cut-off serves as an in-situ probe for the locally enhanced electric field at the tip apex.
Field-Induced Breakup of Emulsion Droplets Stabilized by Colloidal Particles
Creators: name: Kim, E. Grace
name: Stratford, Kevin
name: Clegg, Paul S.
name: Cates, Michael E.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We simulate the response of a particle-stabilized emulsion droplet in an external force field, such as gravity, acting equally on all $N$ particles. We show that the field strength required for breakup (at fixed initial area fraction) decreases markedly with droplet size, because the forces act cumulatively, not individually, to detach the interfacial particles. The breakup mode involves the collective destabilization of a solidified particle raft occupying the lower part of the droplet, leading to a critical force per particle that scales approximately as $N^{-1/2}$.
description: 4 pages, plus 3 pages of supplementary material
Observation of $B_s^{0} \to D_s^{*-} π^{+}$, $B_s^{0} \to D_s^{(*)-} ρ^{+} $ and $B_s^{0} \to D_s^{(*)+} D_s^{(*)-}$ and Estimate of $ΔΓ_{CP}$ at Belle
Creators: name: Esen, Sevda
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The large data sample being recorded with the Belle detector at the $Υ$(5S) energy provides a unique opportunity to study the less-well-known $B_s^{0}$ meson decays. Following our recent measurement of $B_s^{0}\to D_s^{-}π^{+}$ in a sample of 23.6 fb$^{-1}$, we extend the analysis to include decays with photons in the final state. Using the same sample, we report the first observation of three other dominant exclusive $B_s^{0}$ decays, in the modes $B_s^{0}\to D_s^{*-}π^+$, $B_s^{0}\to D_s^{-}ρ^+$ and $B_s^{0}\to D_s^{*-}ρ^+$. We measure their respective branching fractions and, using helicity-angle distributions, the longitudinal polarization fraction of the $B_s^{0}\to D_s^{*-}ρ^+$ decay. We also present a measurement of the branching fractions for the decays $B_s^{0} \to D_s^{(*)+}D_s^{(*)-}$. In the heavy quark limit, this branching fraction is directly related to the width difference between the $B_s$ CP-even and CP-odd eigenstates.
description: 4 pages, 2 figures, To appear in the proceedings of the "35th International Conference On High Energy Physics: ICHEP 2010", 21-28 July 2010, Paris, France
Structural quantum criticality and superconductivity in iron-based superconductor Ba(Fe1-xCox)2As2
Creators: name: Yoshizawa, Masahito
name: Kimura, Daichi
name: Chiba, Taiji
name: Ismayil, Abdusalam
name: Nakanishi, Yoshiki
name: Kihou, Kunihiro
name: Lee, Chul-Ho
name: Iyo, Akira
name: Eisaki, Hiroshi
name: Nakajima, Masamichi
name: Uchida, Shin-ichi
Publisher: name: arXiv
Year: 2011
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigated the elastic properties of the iron-based superconductor Ba(Fe1-xCox)2As2 with eight Co concentrations. The elastic constant C66 shows large elastic softening associated with the structural phase transition. The C66 was analyzed base on localized and itinerant pictures of Fe-3d electrons, which shows the strong electron-lattice coupling and a possible mass enhancement in this system. The results resemble those of unconventional superconductors, where the properties of the system are governed by the quantum fluctuations associated with the zero-temperature critical point of the long-range order; namely, the quantum critical point (QCP). In this system, the inverse of C66 behaves just like the magnetic susceptibility in the magnetic QCP systems. While the QCPs of these existing superconductors are all ascribed to antiferromagnetism, our systematic studies on the canonical iron-based superconductor Ba(Fe1-xCox)2As2 have revealed that there is a signature of "structural quantum criticality" in this material, which is so far without precedent. The elastic constant anomaly is suggested to concern with the emergence of superconductivity. These results highlight the strong electron-lattice coupling and effect of the band in this system, thus challenging the prevailing scenarios that focus on the role of the iron 3d-orbitals.
description: 6 pages, 8 figures
Cladopelma Kieffer 1921
Creators: name: Armitage, Brian J.
name: Andersen, Trond
name: Giłka, Wojciech
name: Castillo Sánchez, Kayla N.
name: Ríos González, Tomás A.
name: Aguirre, Yusseff P.
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae
Cladopelma

description: Genus Cladopelma Kieffer, 1921
A genus of ~20 described species that occur in all zoogeographical regions except Antarctica and Oceania. The larvae live in streams and larger rivers, lakes, and ponds as well as brackish water and hot springs (Epler et al. 2013).
description: Published as part of Armitage, Brian J., Andersen, Trond, Giłka, Wojciech, Castillo Sánchez, Kayla N., Ríos González, Tomás A. & Aguirre, Yusseff P., 2025, The Diptera of Panama. II. A first benchmark for the family Chironomidae, pp. 201-240 in Zootaxa 5613 (2) on page 208, DOI: 10.11646/zootaxa.5613.2.1, http://zenodo.org/record/15224174
On the Formation Age of the First Planetary System
Creators: name: Hara, Tetsuya
name: Kunitomo, Shuhei
name: Shigeyasu, Masanobu
name: Kajiura, Daigo
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Recently, it has been observed the extreme metal-poor stars in the Galactic halo, which must be formed just after Pop III objects. On the other hand, the first gas clouds of mass $\sim 10^6 M_{\odot}$ are supposed to be formed at $ z \sim $ 10, 20, and 30 for the $1σ$, $2σ$ and $3σ$, where the density perturbations are assumed of the standard $Λ$CDM cosmology. If we could apply this gaussian distribution to the extreme small probability, the gas clouds would be formed at $ z \sim $40, 60, and 80 for the $4σ$, $6σ$, and $8σ$. The first gas clouds within our galaxy must be formed around $z\sim 40$. Even if the gas cloud is metal poor, there is a lot of possibility to form the planets around such stars. The first planetary systems could be formed within $\sim 6\times 10^7$ years after the Big Bang in the universe. Even in our galaxies, it could be formed within $\sim 1.7\times 10^8$ years. It is interesting to wait the observations of planets around metal-poor stars. For the panspermia theory, the origin of life could be expected in such systems.
description: 5 pages,Proceedings IAU Symposium No. 249, 2007, Exoplanets:Y-S. Sun, S. Ferraz-Mello and J.-L, Zhou, eds. (p325)
Entanglement generation outside a Schwarzschild black hole and the Hawking effect
Creators: name: Hu, Jiawei
name: Yu, Hongwei
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We examine the Hawking effect by studying the asymptotic entanglement of two mutually independent two-level atoms placed at a fixed radial distance outside a Schwarzschild black hole in the framework of open quantum systems. We treat the two-atom system as an open quantum system in a bath of fluctuating quantized massless scalar fields in vacuum and calculate the concurrence, a measurement of entanglement, of the equilibrium state of the system at large times, for the Unruh, Hartle-Hawking and Boulware vacua respectively. We find, for all three vacuum cases, that the atoms turn out to be entangled even if they are initially in a separable state as long as the system is not placed right at the even horizon. Remarkably, only in the Unruh vacuum, will the asymptotic entanglement be affected by the backscattering of the thermal radiation off the space-time curvature. The effect of the back scatterings on the asymptotic entanglement cancels in the Hartle-Hawking vacuum case.
description: 15 pages, no figures, Revtex
The Initial-Final Mass Relation among White Dwarfs in Wide Binaries
Creators: name: Zhao, Jingkun
name: Oswalt, Terry D.
name: Willson, Lee Anne
name: Wang, Qian
name: Zhao, Gang
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present the initial-final mass relation derived from 10 white dwarfs in wide binaries that consist of a main sequence star and a white dwarf. The temperature and gravity of each white dwarf was measured by fitting theoretical model atmospheres to the observed spectrum using a $χ^{2}$ fitting algorithm. The cooling time and mass was obtained using theoretical cooling tracks. The total age of each binary was estimated from the chromospheric activity of its main sequence component to an uncertainty of about 0.17 dex in log \textit{t} The difference between the total age and white dwarf cooling time is taken as the main sequence lifetime of each white dwarf. The initial mass of each white dwarf was then determined using stellar evolution tracks with a corresponding metallicity derived from spectra of their main sequence companions, thus yielding the initial-final mass relation. Most of the initial masses of the white dwarf components are between 1 - 2 M$_{\odot}$. Our results suggest a correlation between the metallicity of a white dwarf's progenitor and the amount of post-main-sequence mass loss it experiences - at least among progenitors with masses in the range of 1 - 2 M$_{\odot}$. A comparison of our observations to theoretical models suggests that low mass stars preferentially lose mass on the red giant branch.
description: 28 pages, 8 figures, accepted for publication in ApJ
Radio Imaging of the NGC 2024 FIR 5/6 Region: a Hypercompact H II Region Candidate in Orion
Creators: name: Choi, Minho
name: Lee, Jeong-Eun
name: Kang, Miju
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The NGC 2024 FIR 5/6 region was observed in the 6.9 mm continuum with an angular resolution of about 1.5 arcsec. The 6.9 mm continuum map shows four compact sources, FIR 5w, 5e, 6c, and 6n, as well as an extended structure of the ionization front associated with the optical nebulosity. FIR 6c has a source size of about 0.4 arcsec or 150 AU. The spectral energy distribution (SED) of FIR 6c is peculiar: rising steeply around 6.9 mm and flat around 1 mm. The possibility of a hypercompact H II region is explored. If the millimeter flux of FIR 6c comes from hot ionized gas heated by a single object at the center, the central object may be a B1 star of about 5800 solar luminosities and about 13 solar masses. The 6.9 mm continuum of FIR 6n may be a mixture of free-free emission and dust continuum emission. Archival data show that both FIR 6n and 6c exhibit water maser activity, suggesting the existence of shocked gas around them. The 6.9 mm continuum emission from FIR 5w has a size of about 1.8 arcsec or 760 AU. The SEDs suggest that the 6.9 mm emission of FIR 5w and 5e comes from dust, and the masses of the dense molecular gas are about 0.6 and 0.5 solar masses, respectively.
description: To appear in the Astrophysical Journal
The Speed of Light as a Topological Constraint:  Dimensional Resonance in Sixta Theory
Creators: name: Sixta, David
Publisher: name: Zenodo
Year: 2025
Subjects: subject: Physics
subject: Physics
subject: Laser physics
subject: Particle physics
subject: Quantum physics
subject: Theoretical physics

description:  In this paper, we propose that the speed of light c is not a fixed cosmic speed limit, but the result of a topological constraint imposed by recursive twist-phase geometry. Within Sixta Theory, c emerges naturally from the harmonic resonance of dimensional embeddings, acting as the fundamental phase-locking threshold for information propagation. The constancy of c is thus reinterpreted as a boundary condition of twist coherence across the 3-to-4 dimensional manifold transition
title: Exil Großbritannien - Brief von Josef Steindl an "Society for the Protection of Science and Learning"
Creators: name: Steindl, Josef
Year: 2018

description: Titel fingiert. - Online published by kind permission of CARA (Council for At-Risk Academics), former Society for the Protection of Science and Learning (SPSL) and University of Oxford, Bodleian Libraries.
description: Kopie, Typoskript, 2 Seiten
A Quantum-mechanical description of ion motion within the confining potentials of voltage gated ion channels
Creators: name: Summhammer, Johann
name: Salari, Vahid
name: Bernroider, Gustav
Publisher: name: arXiv
Year: 2012
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Biological sciences
subject: FOS: Physical sciences

description: Voltage gated channel proteins cooperate in the transmission of membrane potentials between nerve cells. With the recent progress in atomic-scaled biological chemistry it has now become established that these channel proteins provide highly correlated atomic environments that may maintain electronic coherences even at warm temperatures. Here we demonstrate solutions of the Schrödinger equation that represent the interaction of a single potassium ion within the surrounding carbonyl dipoles in the Berneche-Roux model of the bacterial \textit{KcsA} model channel. We show that, depending on the surrounding carbonyl derived potentials, alkali ions can become highly delocalized in the filter region of proteins at warm temperatures. We provide estimations about the temporal evolution of the kinetic energy of ions depending on their interaction with other ions, their location within the oxygen cage of the proteins filter region and depending on different oscillation frequencies of the surrounding carbonyl groups. Our results provide the first evidence that quantum mechanical properties are needed to explain a fundamental biological property such as ion-selectivity in trans-membrane ion-currents and the effect on gating kinetics and shaping of classical conductances in electrically excitable cells.
description: 12 pages, 8 figures
Effect of disorder on temporal fluctuations in drying induced cracking
Creators: name: Villalobos, Gabriel
name: Kun, Ferenc
name: Muñoz, José D.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We investigate by means of computer simulations the effect of structural disorder on the statistics of cracking for a thin layer of material under uniform and isotropic drying. The layer is discretized into a triangular lattice of springs. The drying process is captured by reducing the natural length of all springs by the same factor, and the amount of quenched disorder is controlled by varying the width ξ of the distribution of the random breaking thresholds for the springs. Once a spring breaks, redistribution of the load may trigger an avalanche of breaks. Our simulations revealed that the system exhibits a phase transition with the amount of disorder as control parameter: at low disorders, the breaking process is dominated by a macroscopic crack at the beginning, and the size distribution of the subsequent breaking avalanches shows an exponential form. At high disorders, the fracturing proceeds in small-sized avalanches with an exponential distribution, generating a large number of micro-cracks which eventually merge and break the layer. Between both phases a sharp transition occurs at a critical amount of disorder ξ_c = 0.40 \pm 0.01, where the avalanche size distribution becomes a power law with exponent τ = 2.6 \pm 0.08, in agreement with the mean-field value τ = 5/2 of the fiber bundle model. Good quality data collapses from the finite-size scaling analysis show that the average value of the largest burst can be identified as the order parameter, with β/ν = 1.4 and 1/ν = 1.0, and that the average ratio of the second m2 and first moments m1 of the avalanche size distribution shows similar behaviour to the susceptibility of a continuous transition, with γ/ν = 1., 1/ν = 0.9. These suggest that the disorder induced transition of the breakup of thin layers is analogous to a continuous phase transition.
description: 9 figures
Inhalt
Creators: name: Redaktion, Die
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2019

description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 8 Nr. 3 (1955): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
HIT: Hearing in Teens
Creators: name: Plack, Chris
name: Guest, Hannah
Publisher: name: OSF Registries
Year: 2023
Subjects: subject: Medicine and Health Sciences

description: Please note that for formatting reasons only, the pre-registered protocol for this study has been uploaded in PDF form rather than using the standard OSF template. This approach allows use of subscript and tables, which are essential to convey the complex content of the protocol clearly. Care has been taken to ensure that the protocol includes all the key elements included in the OSF standard template. HIT is a large-scale longitudinal study investigating changes in auditory function over a three-year period during which many participants will commence regular attendance at high-sound-level environments (live music events and nightclubs). Over the course of 2021-22, a cohort of 220 British teenagers aged 16-17 have undergone an extensive battery of physiological, psychoacoustic, and self-report measures. In 2022-23, the cohort will reach age 18: the age of majority in the UK, at which concert-going and clubbing become commonplace. They will provide data on their noise exposure at 18-month intervals. In 2024-25, when participants are aged 19-20, the measures will be repeated. We will test for relations between the auditory change measures and intervening noise exposure, and for effects of covariates such as sex, skin tone, type of noise exposure, and lifestyle factors. Exploratory analyses will include relations between auditory measures and predictors of baseline auditory function.
Fritz Goldkuhle, Mittelalterliche Wandmalerei in St. Maria Lyskirchen
Creators: name: Waetzoldt, Stephan
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2019

description: Rezension zu: Fritz Goldkuhle, Mittelalterliche Wandmalerei in St. Maria Lyskirchen. Bonner Beiträge zur Kunstwissenschaft, Band 3. 144 S., 83 Abb. L. Schwann, Düsseldorf 1954. 20 DM.
description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 8 Nr. 3 (1955): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
John Beckwith: Ivory Carvings in Early Medieval England
Creators: name: Fillitz, Hermann
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2020

description: Rezension zu: John Beckwith: Ivory Carvings in Early Medieval England. London (Harvey Miller & Medcalf) 1972, 168 S., 270 Abb.
description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 27 Nr. 12 (1974): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
„Wędrówki po pracowniach” polskich artystów u schyłku XIX wieku
Creators: name: Bagińska, Agnieszka
Publisher: name: Pamiętnik Sztuk Pięknych / Fine Arts Diary
Year: 2019

description: Pamiętnik Sztuk Pięknych / Fine Arts Diary, Bd. 10 (2015): Pamiętnik Sztuk Pięknych / Fine Arts Diary
Spin transistor action from Onsager reciprocity and SU(2) gauge theory
Creators: name: Adagideli, I.
name: Lutsker, V.
name: Scheid, M.
name: Jacquod, Ph.
name: Richter, K.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We construct a local gauge transformation to show how, in confined systems, a generic, weak nonhomogeneous SU(2) spin-orbit Hamiltonian reduces to two U(1) Hamiltonians for spinless fermions at opposite magnetic fields, to leading order in the spin-orbit strength. Using an Onsager relation, we further show how the resulting spin conductance vanishes in a two-terminal setup, and how it is turned on by either weakly breaking time-reversal symmetry or opening additional transport terminals. We numerically check our theory for mesoscopic cavities as well as Aharonov-Bohm rings.
description: 5 pages, 3 figures, RevTeX, submitted to Physical Review Letters
Exact Model for Mode-Dependent Gains and Losses in Multimode Fiber
Creators: name: Ho, Keang-Po
Publisher: name: arXiv
Year: 2012
Subjects: subject: Optics (physics.optics)
subject: Probability (math.PR)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: In the strong mode coupling regime, the model for mode-dependent gains and losses (collectively referred as MDL) of a multimode fiber is extended to the region with large MDL. The MDL is found to have the same statistical properties as the eigenvalues of the summation of two matrices. The first matrix is a random Gaussian matrix with standard deviation proportional to the accumulated MDL. The other matrix is a deterministic matrix with uniform eigenvalues proportional to the square of the accumulated MDL. The results are analytically correct for fibers with two or large number of modes, and also numerically verified for other cases.
description: 7 pages, 2 figures, 2 tables
Emission Characteristics of the Projectile Fragments at Relativistic Energy
Creators: name: Singh, M. K.
name: Soma, A. K.
name: Pathak, Ramji
name: Singh, V.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: A projectile (84^Kr_36) having kinetic energy around 1 A GeV was used to expose NIKFI BR-2 emulsion target. A total of 700 inelastic events are used in the present studies on projectile fragments. The emission angle of the projectile fragments are strongly affected by charge of the other projectile fragments emitted at same time with different emission angle is observed. The angular distribution studies show symmetrical nature for lighter charge projectile fragments. The symmetrical nature decreased with the charge of projectile fragments. At ~4o of emission angle for double charge projectile fragments, the momentum transfer during interaction is similar for various target species of emulsion were observed. We also observed a small but significant amplitude peaks on both side of the big peak for almost all light charge projectile fragments having different delta angle values. It reflects that there are few percent of projectile fragments that are coming from the decay of heavy projectile fragments or any other process.
description: 32 pages, 17 Figures
title: Treatment of aorto-iliac occlusive disease with intra-arterial thrombolysis and covered endovascular reconstruction of the aortic bifurcation (CERAB)
Creators: name: Andriulo, Carmine
Publisher: name: EURORAD
Year: 2023
Subjects: subject: Interventional radiology
subject: Arteries / Aorta
subject: Interventional vascular
subject: Catheter arteriography
subject: CT-Angiography
subject: Angioplasty
subject: Arterial access
subject: Embolism / Thrombosis
subject: Clinical Cases

description: Clinical History: An 81-years-old man in therapy with Rivaroxaban, with history of chronic atrial fibrillation, left carotid endarterectomy, and right renal artery stenting, was admitted to our emergency department for acute onset of pain, severe claudication, numbness, pallor of both lower limbs and absent femoral pulses for the last two weeks.

description: 81 years, male
Proximity-Induced Exchange Interaction and Prolonged Valley Lifetime in MoSe2/CrSBr Van-Der-Waals Heterostructure with Orthogonal Spin Textures
Creators: name: Beer, Andreas
name: Zollner, Klaus
name: Serati de Brito, Caique
name: Faria Junior, Paulo E.
name: Parzefall, Philipp
name: Ghiasi, Talieh S.
name: Ingla-Aynés, Josep
name: Mañas-Valero, Samuel
name: Boix-Constant, Carla
name: Watanabe, Kenji
name: Taniguchi, Takashi
name: Fabian, Jaroslav
name: van der Zant, Herre S. J.
name: Galvão Gobato, Yara
name: Schüller, Christian
Publisher: name: Universität Regensburg
Year: 2024
Subjects: subject: transition metal dichalcogenides, two-dimensional magnets, van der Waals heterostructures, optical spectroscopy, time-resolved Kerr rotation
subject: 530 Physik

description: Heterostructures, composed of semiconducting transition-metal dichalcogenides (TMDC) and magnetic van-der-Waals materials, offer exciting prospects for the manipulation of the TMDC valley properties via proximity interaction with the magnetic material. We show that the atomic proximity of monolayer MoSe2 and the antiferromagnetic van-der-Waals crystal CrSBr leads to an unexpected breaking of time-reversal symmetry, with originally perpendicular spin directions in both materials. The observed effect can be traced back to a proximity-induced exchange interaction via first-principles calculations. The resulting spin splitting in MoSe2 is determined experimentally and theoretically to be on the order of a few meV. Moreover, we find a more than 2 orders of magnitude longer valley lifetime of spin-polarized charge carriers in the heterostructure, as compared to monolayer MoSe2/SiO2, driven by a Mott transition in the type-III band-aligned heterostructure.
Zeichen und Symbol überirdischer Wirklichkeit
Creators: name: Lutz, Helmut
name: Grom, Erwin
Publisher: name: Unser Münster / Die Informationsschrift des Münsterbauvereins Breisach e.V.
Year: 2019

description: Unser Münster / Die Informationsschrift des Münsterbauvereins Breisach e.V., Nr. 56 (2019): Unser Münster: 1650 Jahre Stadt Breisach
Breisacher Münster - Künstlerische Sicht von
Creators: name: Wagner, Irene
Publisher: name: Unser Münster / Die Informationsschrift des Münsterbauvereins Breisach e.V.
Year: 2019

description: Unser Münster / Die Informationsschrift des Münsterbauvereins Breisach e.V., Nr. 56 (2019): Unser Münster: 1650 Jahre Stadt Breisach
Hornkonzerte 2020
Creators: name: Grom, Erwin
Publisher: name: Unser Münster / Die Informationsschrift des Münsterbauvereins Breisach e.V.
Year: 2019

description: Unser Münster / Die Informationsschrift des Münsterbauvereins Breisach e.V., Nr. 56 (2019): Unser Münster: 1650 Jahre Stadt Breisach
Alan Turing and the Origins of Complexity
Creators: name: Martin-Delgado, Miguel-Angel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Computational Complexity (cs.CC)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: The 75th anniversary of Turing's seminal paper and his centennial year anniversary occur in 2011 and 2012, respectively. It is natural to review and assess Turing's contributions in diverse fields in the light of new developments that his thoughts has triggered in many scientific communities. Here, the main idea is to discuss how the work of Turing allows us to change our views on the foundations of Mathematics, much like quantum mechanics changed our conception of the world of Physics. Basic notions like computability and universality are discussed in a broad context, making special emphasis on how the notion of complexity can be given a precise meaning after Turing, i.e., not just qualitative but also quantitative. Turing's work is given some historical perspective with respect to some of his precursors, contemporaries and mathematicians who took up his ideas farther.
description: Invited contribution to 'ARBOR: scientific journal of CSIC' special edition devoted to commemorate the Year of Alan Turing. This special issue is entitled "The Legacy of Alan Turing". Coordinators: Manuel de Leon, Alberto Ibort and David Martin de Diego
F. Wagner (Hg.), Europa im Zeitalter des Absolutismus und der Aufklärung
Creators: name: Hartmann, Peter Claus
Publisher: name: Francia
Year: 2018

description: Rezension zu: F. Wagner (Hg.), Europa im Zeitalter des Absolutismus und der Aufklärung, Stuttgart 1968
description: Francia, Bd. 1 (1973)