cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Manipulating spin and charge in magnetic semiconductors usingsuperconducting vortices
Creators: name: Berciu, Mona
name: Rappoport, Tatiana G.
name: Janko, B.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The continuous need for miniaturization and increase in device speed exerts pressureon the electronics industry to explore new avenues of information processing. One possibility is to use the spin to store, manipulate and carry information. Indeed,spintronics may hold the promise of providing such a new paradigm. However, all spintronics applications are faced with formidable challenges in attempting to find fastand efficient ways to create, transport, detect, control and manipulate spin textures and currents. Here we show how most of these operations can be performed in arelatively simple manner in a hybrid system consisting of a superconducting (SC) film and a paramagnetic diluted magnetic semiconductor (DMS) quantum well (QW). Ourproposal is based on the observation that the inhomogeneous magnetic fields of the SC create local spin and charge textures in the DMS, leading to effects such as Blochoscillations, an unusual Quantum Hall Effect, etc. We exploit the recent progress in manipulating magnetic flux bundles (vortices) in superconductors and show howthese can create, manipulate and control the spin textures in DMS.
description: 13 pages, 4 figures
Charmless and Strangless Nonleptonic B Decays
Creators: name: Trampetic, Josip
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Decay rates of the B-meson are studied through charmless and strangless transitions into pi, rho, omega and gamma systems. The important features of these modes are their clean signatures. The CLEO II collaboration has recently reported the value BR(B^0 --> pi^+ pi^-) = (1.3_{-0.6}^{+0.8} +/- 0.2)x10^{-5}. This value test our approach to nonleptonic B-decays within the standard model (SM). Since B --> gamma gamma is far beyond our experimental reach, we believe that the correct determination of the order of magnitude ~10^{-10} for BR(B --> gamma gamma) provides the most reliable value needed at this moment. The most recent experimental report by the CLEO collaboration on BR(B --> K* gamma) = (4.5 +/- 1.5 +/- 0.9)x10^{-5} represents a confirmation of our SM prediction for the B --> K* gamma decay. This experimental result, despite of its great importance for the SM and the physics beyond the SM, enables us to predict the value BR(B --> rho gamma) ~ (3.5 +/- 3.3)x10^{-6}.
description: 14 pages, published in Fizika in 1993, related to the recent Belle observation of b to d rare transitons (hep-ex/0506079, 80), reported in CERN Courier Vol. 45, No. 7, Sept. 2005
Joint Spatio-Textual Reasoning for Answering Tourism Questions
Creators: name: Contractor, Danish
name: Goel, Shashank
name: Mausam
name: Singla, Parag
Publisher: name: arXiv
Year: 2020
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: Our goal is to answer real-world tourism questions that seek Points-of-Interest (POI) recommendations. Such questions express various kinds of spatial and non-spatial constraints, necessitating a combination of textual and spatial reasoning. In response, we develop the first joint spatio-textual reasoning model, which combines geo-spatial knowledge with information in textual corpora to answer questions. We first develop a modular spatial-reasoning network that uses geo-coordinates of location names mentioned in a question, and of candidate answer POIs, to reason over only spatial constraints. We then combine our spatial-reasoner with a textual reasoner in a joint model and present experiments on a real world POI recommendation task. We report substantial improvements over existing models with-out joint spatio-textual reasoning.
description: Updated version
Accelerating universes driven by bulk particles
Creators: name: Brito, F. A.
name: Cruz, F. F.
name: Oliveira, J. F. N.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We consider our universe as a 3d domain wall embedded in a 5d dimensional Minkowski space-time. We address the problem of inflation and late time acceleration driven by bulk particles colliding with the 3d domain wall. The expansion of our universe is mainly related to these bulk particles. Since our universe tends to be permeated by a large number of isolated structures, as temperature diminishes with the expansion, we model our universe with a 3d domain wall with increasing internal structures. These structures could be unstable 2d domain walls evolving to fermi-balls which are candidates to cold dark matter. The momentum transfer of bulk particles colliding with the 3d domain wall is related to the reflection coefficient. We show a nontrivial dependence of the reflection coefficient with the number of internal dark matter structures inside the 3d domain wall. As the population of such structures increases the velocity of the domain wall expansion also increases. The expansion is exponential at early times and polynomial at late times. We connect this picture with string/M-theory by considering BPS 3d domain walls with structures which can appear through the bosonic sector of a five-dimensional supergravity theory.
description: To appear in Phys. Rev. D, 16 pages, 3 eps figures, minor changes and references added
Compressive Circular Polarization Snapshot Spectral Imaging
Creators: name: Ning, Jianglan
name: Xu, Zhilong
name: Wu, Dan
name: Zhang, Rui
name: Wang, Yuanyuan
name: Xie, Yingge
name: Zhao, Wei
name: Ma, Xu
name: Ren, Wenyi
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optics (physics.optics)
subject: Image and Video Processing (eess.IV)
subject: FOS: Physical sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: I.4.2; I.4.4; I.4.5
subject: 78A10 (Primary)

description: A compressive sensing based circular polarization snapshot spectral imaging system is proposed in this paper to acquire two-dimensional spatial, one-dimensional circular polarization (the right and left circular polarization), and one-dimensional spectral information, simultaneously. Using snapshot can collect the entire four-dimensional datacube in a single integration period. The dispersion prism in the coded aperture snapshot spectral imager is replaced by the combination of an Amici prism and a Wollaston prism to implement the spectral shifting along two orthogonal directions, which greatly improves the spectral resolution of the image. The right and left circular polarization components of objects are extracted by the assemble with an achromatic quarter wave-plate and a Wollaston prism. The encoding and reconstruction are illustrated comprehensively. The feasibility is verified by the simulation. It provides us an alternative approach for circular polarization spectral imaging such as defogging, underwater imaging, and so on.
description: 20 pages, 11 figures, 1 table
Validation in Fusion Research: Towards Guidelines and Best Practices
Creators: name: Terry, P. W.
name: Greenwald, M.
name: Leboeuf, J. -N.
name: McKee, G. R.
name: Mikkelsen, D. R.
name: Nevins, W. M.
name: Newman, D. E.
name: Stotler, D. P.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Because experiment/model comparisons in magnetic confinement fusion have not yet satisfied the requirements for validation as understood broadly, a set of approaches to validating mathematical models and numerical algorithms are recommended as good practices. Previously identified procedures, such as verification, qualification, and analysis of error and uncertainty, remain important. However, particular challenges intrinsic to fusion plasmas and physical measurement therein lead to identification of new or less familiar concepts that are also critical in validation. These include the primacy hierarchy, which tracks the integration of measurable quantities, and sensitivity analysis, which assesses how model output is apportioned to different sources of variation. The use of validation metrics for individual measurements is extended to multiple measurements, with provisions for the primacy hierarchy and sensitivity. This composite validation metric is essential for quantitatively evaluating comparisons with experiments. To mount successful and credible validation in magnetic fusion, a new culture of validation is envisaged.
description: 27 pages, 1 table, 6 figures
Deciding Quantifier-Free Presburger Formulas Using Parameterized Solution Bounds
Creators: name: Seshia, Sanjit A.
name: Bryant, Randal E.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences
subject: I.2.3; F.4.1; F.3.1

description: Given a formula in quantifier-free Presburger arithmetic, if it has a satisfying solution, there is one whose size, measured in bits, is polynomially bounded in the size of the formula. In this paper, we consider a special class of quantifier-free Presburger formulas in which most linear constraints are difference (separation) constraints, and the non-difference constraints are sparse. This class has been observed to commonly occur in software verification. We derive a new solution bound in terms of parameters characterizing the sparseness of linear constraints and the number of non-difference constraints, in addition to traditional measures of formula size. In particular, we show that the number of bits needed per integer variable is linear in the number of non-difference constraints and logarithmic in the number and size of non-zero coefficients in them, but is otherwise independent of the total number of linear constraints in the formula. The derived bound can be used in a decision procedure based on instantiating integer variables over a finite domain and translating the input quantifier-free Presburger formula to an equi-satisfiable Boolean formula, which is then checked using a Boolean satisfiability solver. In addition to our main theoretical result, we discuss several optimizations for deriving tighter bounds in practice. Empirical evidence indicates that our decision procedure can greatly outperform other decision procedures.
description: 26 pages
Simulating multiscale gated field emitters -- a hybrid approach
Creators: name: Sarkar, Shreya
name: Kumar, Raghwendra
name: Singh, Gaurav
name: Biswas, Debabrata
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Accelerator Physics (physics.acc-ph)
subject: Computational Physics (physics.comp-ph)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Multi-stage cathodes are promising candidates for field emission due to the multiplicative effect in local field predicted by the Schottky conjecture and its recent corrected counterpart [J. Vac. Sci. Technol. B 38, 023208 (2020)]. Due to the large variation in length scales even in a 2-stage compound structure consisting of a macroscopic base and a microscopic protrusion, the simulation methodology of a gated field emitting compound diode needs to be revisited. As part of this strategy, the authors investigate the variation of local field on the surface of a compound emitter near its apex and find that the generalized cosine law continues to hold locally near the tip of a multi-scale gated cathode. This is used to emit charges with appropriate distributions in position and velocity components with a knowledge of only the electric field at the apex. The distributions are consistent with contemporary free-electron field emission model and follow from the joint distribution of launch angle, total energy, and normal energy. For a compound geometry with local field enhancement by a factor of around 1000, a hybrid model is used where the vacuum field calculated using COMSOL is imported into the Particle-In-Cell code PASUPAT where the emission module is implemented. Space charge effects are incorporated in a multi-scale adaptation of PASUPAT using a truncated geometry with `open electrostatic boundary' condition. The space charge field, combined with the vacuum field, is used for particle-emission and tracking.
description: 8 pages, 10 figures
Kremers, Heinz, Schoeps, Julius: Das jüdisch-christliche Religionsgespräch
Creators: name: Schoneveld, Jacobus
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 38 Nr. 4 (1989): Ökumenische Rundschau, Band 38, Heft 4
Nonminimal gradient flows in QCD-like theories
Creators: name: Boers, Marco
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: The Yang-Mills gradient flow for QCD-like theories is generalized by including a fermionic matter term in the gauge field flow equation. We combine this with two different flow equations for the fermionic degrees of freedom. The solutions for the different gradient flow setups are used in the perturbative computations of the vacuum expectation value of the Yang-Mills Lagrangian density and the field renormalization factor of the evolved fermions up to next-to-leading order in the coupling. We find a one-parameter family of flow systems for which there exists a renormalization scheme in which the evolved fermion anomalous dimension vanishes to all orders in perturbation theory. The fermion number dependence of different flows is studied and applications to lattice studies are anticipated.
description: 35 pages, accepted for publication
Lower and Upper Bounds on CSL Parameters from Latent Image Formation and IGM Heating
Creators: name: Adler, Stephen L.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study lower and upper bounds on the parameters for stochastic state vector reduction, focusing on the mass-proportional continuous spontaneous localization (CSL) model. We show that the assumption that the state vector is reduced whan a latent image is formed, in photography or etched track detection, requires a CSL rate parameter $λ$ that is larger than conventionally assumed by a factor of roughly $2 \times 10^{9\pm 2}$, for a correlation length $r_C$ of $10^{-5}{\rm cm}$. We reanalyze existing upper bounds on the reduction rate and conclude that all are compatible with such an increase in $λ$. The best bounds that we have obtained come from a consideration of heating of the intergalactic medium (IGM), which shows that $λ$ can be at most $\sim 10^{8\pm 1}$ times as large as the standard CSL value, again for $r_C=10^{-5} {\rm cm}$. (For both the lower and upper bounds, quoted errors are not purely statistical errors, but rather are estimates reflecting modeling uncertainties.) We discuss modifications in our analysis corresponding to a larger value of $r_C$. With a substantially enlarged rate parameter, CSL effects may be within range of experimental detection (or refutation) with current technologies. ADDED NOTE: A careful calculation of radiation from atomic systems in the CSL model (Adler and Ramazanoglu, arXiv:0707.3134) has reinstated the bound obtained by Fu as the best upper bound on lambda, with significant implications for CSL model phenomenology.
description: Tex, 50p To appear in J. Phys. A: Math-Gen, in the special issue ``The Quantum Universe'' in honor of G. C. Ghirardi. Version 9(apart from minor copy-editing style changes) is the final published version. SEE ADDED NOTE IN ABSTRACT
An engineering approach to modelling the impact and ballistic response of laminated composite structures
Creators: name: Quan, Xiangyang
Publisher: name: University of British Columbia
Year: 2009

description: A super finite element program, SENACS, that was previously developed for transient nonlinear analysis of isotropic structures, has been modified to handle the structural response of layered (laminated) composite materials. Both material and geometric non-linearities have been taken into account in the formulation. The structural analysis capabilities of the code have been demonstrated by successfully comparing the predictions with other experimental, analytical, and numerical results in the literature. Impact problems have been subdivided into two groups: nonpenetrating and penetrating. In each case, appropriate contact laws are introduced to evaluate the local impact load on the structure while the structural analysis part of SENACS computes the target global response. In nonpenetrating impact events, where there is only elastic indentation in the targets, the Hertzian contact law has been employed to establish the impact force as a function of the local indentation. Predictions of the nonpenetrating impact response of plain and stiffened laminated composite plate and shell structures have been found to be in good agreement with the experimental measurements previously reported in the literature. Modelling of penetrating impact problems has been guided by experimental investigations. A phenomenological analytical model for static penetration of composite materials has been developed. In this model, three major penetration mechanisms have been accounted for: hole expansion, flexural deformation of a delaminated plate (split-plate), and transverse plugging. The parameters of the model have been determined through material characterisation tests. The penetration model is introduced as a local contact behaviour in SENACS, and used to predict the penetrating impact response of composites to projectiles with different conical nose shapes. Ballistic impact response of two different material systems, IM7/8551-7 Carbon Fibre-Reinforced Polymer (CFRP) and S2-glass/phenolic resin Glass Fibre- Reinforced Polymer (GFRP) laminates provides the physical background and experimental verifications for the present model. Finally, a number of numerical ballistic simulations have been carried out to investigate the influence of structural shapes and sizes, loading conditions, projectile geometry, and impact velocity on the energy absorption capability of composite materials.
Topological solitons and bulk polarization switch in collinear type II multiferroics
Creators: name: Cabra, D. C.
name: Dobry, A. O.
name: Gazza, C. J.
name: Rossini, G. L.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We introduce a microscopic model for collinear multiferroics capable to reproduce, as a consequence of magnetic frustration and easy-axis anisotropy, the so-called "uudd" (or antiphase) magnetic ordering observed in several type II multiferroic materials. The crucial role of lattice distortions in the multiferroic character of these materials is entered into the model via an indirect magnetoelectric coupling, mediated by elastic degrees of freedom through a pantograph mechanism. Long range dipolar interactions set electric dipoles in the antiferroelectric order. We investigate this model by means of extensive DMRG computations and complementary analytical methods. We show that a lattice dimerization induces a spontaneous Z2 ferrielectric bulk polarization, with a sharp switch off produced by a magnetic field above a critical value. The topological character of the magnetic excitations makes this mechanism robust.
description: 16 pages, 16 figures
Structure and stability of traversable thin-shell wormholes in Palatini $f(\mathcal{R})$ gravity
Creators: name: Lobo, Francisco S. N.
name: Olmo, Gonzalo J.
name: Orazi, Emanuele
name: Rubiera-Garcia, Diego
name: Rustam, Azmat
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study the structure and stability of traversable wormholes built as (spherically symmetric) thin shells in the context of Palatini $f(\mathcal{R})$ gravity. Using a suitable junction formalism for these theories we find that the effective number of degrees of freedom on the shell is reduced to a single one, which fixes the equation of state to be that of massless stress-energy fields, contrary to the general relativistic and metric $f(R)$ cases. Another major difference is that the surface energy density threading the thin-shell, needed in order to sustain the wormhole, can take any sign, and may even vanish, depending on the desired features of the corresponding solutions. We illustrate our results by constructing thin-shell wormholes by surgically grafting Schwarzschild space-times, and show that these configurations are always linearly unstable. However, surgically joined Reissner-Nordström space-times allow for linearly stable, traversable thin-shell wormholes supported by a positive energy density provided that the (squared) mass-to-charge ratio, given by $y=Q^2/M^2$, satisfies the constraint $1
description: 10 pages, revtex4-1 style. v2: some minor corrections, version accepted for publication in Phys. Rev. D
The Redshift Distribution of Distant Supernovae and its Use in Probing Reionization
Creators: name: Mesinger, Andrei
name: Johnson, Benjamin D.
name: Haiman, Zoltan
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We model the number of detectable supernovae (SNe) as a function of redshift at different flux thresholds, making use of the observed properties of local SNe, such as their lightcurves, fiducial spectra, and peak magnitude distributions. We obtain a rate of 0.4-2.3 SNe/arcmin^2/yr at z > 5 at the near infrared (4.5 micron) flux density threshold of 3 nJy (achievable with the James Webb Space Telescope (JWST) in a 10^5 s integration). In a hypothetical one-year survey, it should be possible to detect up to several thousand SNe per unit redshift at z > 6. We discuss the possible application of such a large sample of distant SNe as a probe of the epoch of reionization. By heating the intergalactic medium and raising the cosmological Jeans mass, the process of reionization can suppress star formation in low-mass galaxies. This could have produced a relatively sharp drop in the SNR around the redshift of reionization. We quantify the detectability of this feature in future surveys of distant SNe by varying the redshift and duration of the feature, as well as its impact on the SFR in low-mass halos, which results in different redshifts, widths, and sizes of the drop in the expected SFR. We find that the drop can be detected out to z_re ~ 13, as long as (i) the reionization history contains a relatively rapid feature which is synchronized over different regions to within Δz < 1 - 3, (ii) the star-formation efficiency in halos that dominate reionization is ~ 10%, and (iii) reionization significantly suppresses the star formation in low-mass halos. Depending on the details of (i) - (iii), this could be achieved with a survey lasting less than two weeks. Detecting this signature would also help elucidate the feedback mechanism that regulates reionization.
description: 11 pages, 9 figures; ApJ accepted
MODERNIZATSIYA KONSEPSIYASI, UNING INQIROZI VA IJTIMOIY O'ZGARISHLARNING POSTMODERN MODELLARI
Creators: name: Mutalibov, F.
Publisher: name: Zenodo
Year: 2024

description: Dastlab, “1940-yillarning oxiri - 1950-yillarda modernizatsiya atamasi faqat G‘arb mamlakatlarida ishlab chiqilgan sanoat, agrar va kommunikatsiya texnologiyalarining uchinchi dunyo mamlakatlarida joriy etilishi bilan birga bo‘lgan sanoatlashtirish, urbanizatsiya, sekulyarizatsiya va boshqalar jarayonlarini ifodalash uchun qo‘llanilgan.
title: การจัดการอรรถประโยชน์ทางการเมืองเพื่อพัฒนาสู่กลยุทธการตลาดการเมือง
Creators: name: วิเชียร พรมแก้ว
Publisher: name: สถาบันวิชาการเพื่อพัฒนาท้องถิ่น
publisherIdentifierScheme: ROR
Year: 2024
Subjects: อรรถประโยชน์ทางการเมือง
การตลาดการเมือง
กลยุทธ์

description: วารสารวิชาการพัฒนาท้องถิ่น, 3, 2, 49-66
Duchrow, U., Eisenbürger, G., Hippler, J.: Totaler Kireg gegen die Armen
Creators: name: Raiser, Konrad
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 38 Nr. 4 (1989): Ökumenische Rundschau, Band 38, Heft 4
Temperature Dependence of the Casimir Effect
Creators: name: Brevik, I.
name: Aarseth, J. B.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In view of the increasing accuracy of Casimir experiments, there is a need for performing accurate theoretical calculations. Using accurate experimental data for the permittivities we present, via the Lifshitz formula applied to the standard Casimir setup with two parallel plates, accurate theoretical results in case of the metals Au, Cu and Al. Both similar and dissimilar cases are considered. Concentrating in particular on the finite temperature effect, we show how the Casimir pressure varies with separation for three different temperatures, T={1, 300, 350}K. The metal surfaces are taken to be perfectly plane. The experimental data for the permittivities are generally yielding results that are in good agreement with those calculated from the Drude relation with finite relaxation frequency. We give the results in tabular form, in order to facilitate the assessment of the temperature correction which is on the 1% level. We emphasize two points: (i) The most promising route for a definite experimental verification of the finite temperature correction appears to be to concentrate on the case of large separations (optimum around 2 micrometres); and (ii) there is no conflict between the present kind of theory and the Nernst theorem in thermodynamics.
description: Latex, 11 pages, no figures. Expanded discussion in section 1; a reference added. To appear in J. Phys. A: Math. Gen. (special issue for the Proceedings of the Seventh Workshop QFEXT'05, Barcelona, September 5-9, 2005)
THE EFFECTS OF SYMBOLISM ON A SOCIAL MOVEMENT: THE WANG SAPUNG GOLD MINING CONFLICT IN LOEI PROVINCE, THAILAND
Creators: name: Chantha Thanawattanawong
Publisher: name: National Research Council of Thailand
Year: 2019
Subjects: Extractive industries
non-violent movements
symbolic practices
mining

description: SOCIAL SCIENCE ASIA : Official Journal of National Research Council of Thailand in Conjunction with the College of Local Administration, Khon Kaen University, 5, 3, 81-92
The near-infrared excitation of the HH211 protostellar outflow
Creators: name: O'Connell, Barry
name: Smith, Michael D.
name: Froebrich, Dirk
name: Davis, Christopher J.
name: Eisloeffel, Jochen
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The protostellar outflow HH211 is of considerable interest since it is extremely young and highly collimated. Here, we explore the outflow through imaging and spectroscopy in the near-infrared to determine if there are further diagnostic signatures of youth. We confirm the detection of a near-infrared continuum of unknown origin. We propose that it is emitted by the driving millimeter source, escapes the core through tunnels, and illuminates features aligning the outflow. Narrow-band flux measurements of these features contain an unusually large amount of continuum emission. [Fe II] emission has been detected and is restricted to isolated condensations. However, the characteristics of vibrational excitation of molecular hydrogen resemble those of older molecular outflows. We attempt to model the ordered structure of the western outflow as a series of shocks, finding that bow shocks with J-type dissociative apices and C-type flanks are consistent. Moreover, essentially the same conditions are predicted for all three bows except for a systematic reduction in speed and density with distance from the driving source. We find increased K-band extinctions in the bright regions as high as 2.9 magnitudes and suggest that the bow shocks become visible where the outflow impacts on dense clumps of cloud material. We propose that the outflow is carved out by episodes of pulsating jets. The jets, driven by central explosive events, are responsible for excavating a central tunnel through which radiation temporarily penetrates.
description: 12 pages, 9 figures
The Courtroom as Stage: Exploring the Performative Dimension of Genocide Trials
Creators: name: Giovannini, Luca
name: Schirmer, Miriam
Publisher: name: Zenodo
Year: 2023
Subjects: dracor
modelling
genocide studies
theatre
corpus

description: A presentation at the Cultural Data Analytics Conference 2023 (Tallinn, 14-16 December).
Testing the GFCCSD impurity solver on real materials within the self-energy embedding theory framework
Creators: name: Yeh, Chia-Nan
name: Shee, Avijit
name: Iskakov, Sergei
name: Zgid, Dominika
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: We apply the Green's function coupled cluster singles and doubles (GFCCSD) impurity solver to realistic impurity problems arising for strongly correlated solids within the self-energy embedding theory (SEET) framework. We describe the details of our GFCC solver implementation, investigate its performance, and highlight potential advantages and problems on examples of impurities created during the self-consistent SEET for antiferromagnetic MnO and paramagnetic SrMnO$_{3}$. GFCCSD provides satisfactory descriptions for weakly and moderately correlated impurities with sizes that are intractable by existing accurate impurity solvers such as exact diagonalization (ED). However, our data also shows that when correlations become strong, the singles and doubles approximation used in GFCC could lead to instabilities in searching for the particle number present in impurity problems. These instabilities appears especially severe when the impurity size gets larger and multiple degenerate orbitals with strong correlations are present. We conclude that to fully check the reliability of GFCCSD results and use them in fully {\em ab initio} calculations in the absence of experiments, a verification from a GFCC solver with higher order excitations is necessary.
description: 13 pages, 8 figures, 4 tables
A Dark Galaxy in the Virgo Cluster Imaged at 21-cm
Creators: name: Minchin, R. F.
name: Davies, J. I.
name: Disney, M. J.
name: Marble, A. R.
name: Impey, C. D.
name: Boyce, P. J.
name: Garcia, D. A.
name: Grossi, M.
name: Jordan, C. A.
name: Lang, R. H.
name: Roberts, S.
name: Sabatini, S.
name: van Driel, W.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Dark Matter supposedly dominates the extragalactic, yet no totally dark structure of galactic proportions has ever been convincingly identified. Earlier (Minchin et al. 2005) we suggested that VIRGOHI 21, a 21-cm source we found in the Virgo Cluster at Jodrell Bank using single-dish observations (Davies et al. 2004), was probably such a dark galaxy because of its broad line-width (~ 200 km/s) unaccompanied by any visible gravitational source to account for it. Now we have managed to image VIRGOHI 21 in the neutral-hydrogen line, and indeed we find what appears to be a dark, edge-on, spinning disc with the mass and diameter of a typical spiral galaxy. Moreover the disc has unquestionably interacted with NGC 4254, a luminous spiral with an odd one-armed morphology, but lacking the massive interactor invariably responsible for such a feature. Published numerical models (Vollmer, Huchtmeier & van Driel 2005) of NGC 4254 call for a close interaction ~ 10^8 years ago with a perturber of 10^11 solar masses. This we take as completely independent evidence for the massive nature of VIRGOHI 21.
description: 5 pages, submitted to MNRAS. Animation available at http://www.astro.cf.ac.uk/groups/galaxies
Josephson effect in graphene bilayers with adjustable relative displacement
Creators: name: Alidoust, Mohammad
name: Jauho, Antti-Pekka
name: Akola, Jaakko
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The Josephson current is investigated in a superconducting graphene bilayer where pristine graphene sheets can make in-plane or out-of-plane displacements with respect to each other. The superconductivity can be of an intrinsic nature, or due to a proximity effect. The results demonstrate that the supercurrent responds qualitatively differently to relative displacement if the superconductivity is due to either intralayer or interlayer spin-singlet electron-electron pairing, thus providing a tool to distinguish between the two mechanisms. Specifically, both the AA and AB stacking orders are studied with antiferromagnetic spin alignment. For the AA stacking order with intralayer and on-site pairing no current reversal is found. In contrast, the supercurrent may switch its direction as a function of the in-plane displacement and out-of-plane interlayer coupling for the cases of AA ordering with interlayer pairing and AB ordering with either intralayer or interlayer pairing. In addition to sign reversal, the Josephson signal displays many characteristic fingerprints which derive directly from the pairing mechanism. Thus, measurements of the Josephson current as a function of the graphene bilayer displacement open up the means achieve deeper insights into the superconducting pairing mechanism.
description: 6 pages, 3 figures
Quantum criticality in the nonunitary dynamics of $(2+1)$-dimensional free fermions
Creators: name: Tang, Qicheng
name: Chen, Xiao
name: Zhu, W.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We explore the nonunitary dynamics of $(2+1)$-dimensional free fermions and show that the obtained steady state is critical regardless the strength of the nonunitary evolution. Numerical results indicate that the entanglement entropy has a logarithmic violation of the area-law and the mutual information between two distant regions decays as a power-law function. In particular, we provide an interpretation of these scaling behaviors in terms of a simple quasiparticle pair picture. In addition, we study the dynamics of the correlation function and demonstrate that this system has dynamical exponent $z=1$. We further demonstrate the dynamics of the correlation function can be well captured by a classical nonlinear master equation. Our method opens a door to a vast number of nonunitary random dynamics in free fermions and can be generalized to any dimensions.
description: 6 pages and 6 figures (main text) + 19 pages and 18 figures (appendices)
Fractional Stokes-Einstein and Debye-Stokes-Einstein relations in a network forming liquid
Creators: name: Becker, Stephen R.
name: Poole, Peter H.
name: Starr, Francis W.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We study the breakdown of the Stokes-Einstein (SE) and Debye-Stokes-Einstein (DSE) relations for translational and rotational motion in a prototypical model of a network-forming liquid, the ST2 model of water. We find that the emergence of ``fractional'' SE and DSE relations at low temperature is ubiquitous in this system, with exponents that vary little over a range of distinct physical regimes. We also show that the same fractional SE relation is obeyed by both mobile and immobile dynamical heterogeneities of the liquid.
Führung in der digitalen Transformation von Schule - empirische Erkenntnisse und Spannungsfelder
Creators: name: Gerick, Julia
name: Tulowitzki, Pierre
name: Oelkers, Janine
Publisher: name: hep
Year: 2023
Subjects: subject: Schulentwicklung
subject: Digitalisierung
subject: Führung
subject: 370 - Erziehung, Schul- und Bildungswesen

description: Die digitale Transformation erreicht alle Bereiche der Gesellschaft, darunter auch die Schule. Spätestens mit der Pandemie wurde deutlich, dass Schulen sich aktiv mit den Möglichkeiten und Herausforderungen der Digitalisierung auseinandersetzen müssen. Dabei geht es nicht nur um die Frage der angemessenen Nutzung digitaler Medien in Schule und Unterricht, sondern auch um die Frage der Haltung zur digitalen Transformation und der Teilhabe von Kindern und Jugendlichen an der Kultur der Digitalität. Kurz gesagt bestehen somit eine Vielzahl von Anlässen, sich der digitalisierungsbezogenen Schulentwicklung zu widmen.
Magnetic structure at zigzag edges of graphene bilayer ribbons
Creators: name: Castro, Eduardo V.
name: Peres, N. M. R.
name: Santos, J. M. B. Lopes dos
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the edge magnetization of bilayer graphene ribbons with zigzag edges. The presence of flat edge-state bands at the Fermi energy of undoped bilayer, which gives rise to a strong peak in the density of states, makes bilayer ribbons magnetic at the edges even for very small on-site electronic repulsion. Working with the Hubbard model in the Hartree Fock approximation we show that the magnetic structure in bilayer ribbons with zigzag edges is ferromagnetic along the edge, involving sites of the two layers, and antiferromagnetic between opposite edges. It is also shown that this magnetic structure is a consequence of the nature of the edge states present in bilayer ribbons with zigzag edges. Analogously to the monolayer case, edge site magnetization as large as $m \approx0.2 μ_{B}$ (per lattice site) even at small on-site Hubbard repulsion $U \approx 0.3 {eV}$ is realized in nanometer wide bilayer ribbons.
description: 6 pages, 4 figures
Influence of Storage Temperature on Levels of Bioactive Compounds in Shiitake Mushrooms (Lentinula edodes)
Creators: name: Kim, Yonghyun
name: Lee, Uk
name: Eo, Hyun Ji
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Science Policy
subject: Plant Biology
subject: FOS: Biological sciences

description: Shiitake mushroom (Lentinula edodes) hold high nutritional and medicinal value as they contain an abundance of health-promoting compounds. However, the effect of long-term postharvest storage on the variation in the levels of health-promoting compounds has not been extensively studied. In this study, we investigated the changes in the levels of phenolic compounds, antioxidants, eritadenine, and ergothioneine in shiitake mushrooms stored at three different temperatures (1, 3, and 5 °C) for 4 weeks. Compared to mushrooms stored at lower temperatures, those stored at 5 °C exhibited a higher level of total phenolics in their pileus after 2 weeks of storage; however, storage at 5 °C also increased the deterioration of the fruiting body of these mushrooms. In mushrooms stored at all temperatures, the eritadenine content in the pilei tended to increase up to 2 weeks of storage. In contrast, the ergothioneine content in the pileus decreased during storage, with a significantly lower level detected in mushrooms stored at 5 °C for 4 weeks. Together, these results suggest that the mechanisms underlying the accumulation of phenolics and eritadenine may be related to mushroom deterioration during storage. Our findings indicate that the levels of health-promoting compounds in shiitake mushrooms are influenced by storage temperature, suggesting the potential to control adjustments of specific bioactive compounds by regulating storage conditions.
The inverse eigenvalue problem for symmetric anti-bidiagonal matrices
Creators: name: Holtz, Olga
Publisher: name: arXiv
Year: 2005
Subjects: subject: Rings and Algebras (math.RA)
subject: Classical Analysis and ODEs (math.CA)
subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 15A18, 15A29, 15A48, 15A57

description: The inverse eigenvalue problem for real symmetric matrices of the form 0 0 0 . 0 0 * 0 0 0 . 0 * * 0 0 0 . * * 0 . . . . . . . 0 0 * . 0 0 0 0 * * . 0 0 0 * * 0 . 0 0 0 is solved. The solution is shown to be unique. The problem is also shown to be equivalent to the inverse eigenvalue problem for a certain subclass of Jacobi matrices.
description: 6 pages; miscalculation corrected; acknowledgments added
Eigenverantwortlich lernen in Projekten
Creators: name: Busch, Matthias
Publisher: name: Universität Trier
Year: 2019
Subjects: subject: Luxemburg
subject: Deutschland
subject: Unterricht
subject: Schüler
subject: Schülermitverwaltung
subject: Mitbestimmung
subject: Rückmeldung
subject: Leistungsbewertung

description: Das Lernen in Projekten bietet Schüler*innen wie kaum eine andere Unterrichtsform die Möglichkeit, an der Unterrichtsgestaltung selbstbestimmt zu partizipieren. Lernende üben sich dabei nicht nur in eigenverantwortlichem Handeln, sondern können auch selbst gesellschaftlich aktiv werden.
Triplet Pairing Superconductivity Induced by Short-Range Ferromagnetic Correlations in Sr$_2$RuO$_4$
Creators: name: Hoshihara, K.
name: Miyake, K.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The microscopic origin of triplet superconductivity in Sr$_2$RuO$_4$ is discussed, paying attention to the role of Coulomb interaction, $U_{pp}$, at the O site. It is shown on the $d$-$p$ model that $U_{pp}$ induces a ferromagnetic exchange interaction between "d-electrons" (molecular orbital with $d_{xy}$-symmetry) at adjacent Ru sites, leading to short-range ferromagnetic correlations and promoting Cooper pairing with ($\sin p_x\pm\ii\sin p_y$)-symmetry on the $γ$-band. The reason why such ferromagnetic correlations work effectively may be traced back to the fact that the level of 4d-electrons at Ru sites is relatively low and located near that of $2p$-electrons at O sites.
description: 9 pages, 6 figures, to be published in J. Phys. Soc. Jpn
Partizipationsorientierte Aufgabenkultur im Fachunterricht
Creators: name: Busch, Matthias
Publisher: name: Universität Trier
Year: 2019
Subjects: subject: Luxemburg
subject: Deutschland
subject: Unterricht
subject: Schüler
subject: Schülermitverwaltung
subject: Mitbestimmung
subject: Rückmeldung
subject: Leistungsbewertung

description: Die Partizipationskompetenz von Schülerinnen und Schülern sollte nicht nur durch eine Beteiligung an der formalen Gestaltung und Bewertung des Unterrichts gefördert werden. Vielmehr bietet eine entsprechende Aufgabenkultur vielfältige Möglichkeiten, demokratische Partizipation durch simulatives oder reales Handeln im fachlichen Lernen zu üben und zu reflektieren.
Conformational Transitions of Non-Grafted Polymers Near an Adsorbing Substrate
Creators: name: Bachmann, Michael
name: Janke, Wolfhard
Publisher: name: arXiv
Year: 2005
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We have performed multicanonical chain-growth simulations of a polymer interacting with an adsorbing surface. The polymer, which is not explicitly anchored at the surface, experiences a hierarchy of phase transitions between conformations binding and non-binding with the substrate. We discuss the phase diagram in the temperature-solubility plane and highlight the transition ``path'' through the free-energy landscape.
description: 4 pages, revtex.cls, 10 postscript figures, author information under http://www.physik.uni-leipzig.de/index.php?id=22
title: วัดสะเดารัตนาราม: วิถีทัศน์เชิงพุทธเพื่อการพัฒนาชุมชนอย่างยั่งยืน
Creators: name: พระครูปริยัติกิตติวรรณ ได้ทุกทาง
Publisher: name: สถาบันวิชาการเพื่อพัฒนาท้องถิ่น
publisherIdentifierScheme: ROR
Year: 2024
Subjects: วัดสะเดารัตนาราม
วิถีทัศน์เชิงพุทธ
การพัฒนาชุมชน
การมีส่วนร่วม
ยั่งยืน (บวร)

description: วารสารวิชาการพัฒนาท้องถิ่น, 3, 2, 67-80
OPTIMIZATION OF CONSERVATIVE TREATMENT OF REVIVING UTERINE BLEEDING OF PUBERTY.
Creators: name: Khodjaeva, A.S.
name: Tillabayeva, D.M.
name: Abdullazhanova, S.A.
Publisher: name: Zenodo
Year: 2024

description: The article deals with the optimization of conservative therapy of uterine bleeding in adolescent girls, the expansion of the possibilities of anti-relapse outcomes. Objective: optimization of conservative tactics of management of adolescent girls with recurrent uterine bleeding Material and methods: 90 adolescent girls (mean age 14.6±1.2) with recurrent uterine bleeding were examined. Research methods: traditional general clinical, hormonal, ultrasound.  Results: The premorbid background was analyzed in detail and risk factors for the occurrence and recurrence of uterine bleeding of puberty were determined, with an emphasis on burdened reproductive heredity on the maternal side. A pathogenetic approach to the treatment of recurrent uterine bleeding in adolescent girls is proposed. Conclusions: a differentiated and step-by-step integrated approach to the conservative treatment of uterine bleeding in adolescent girls is needed.
Invariant classification of orthogonally separable Hamiltonian systems in Euclidean space
Creators: name: Horwood, Joshua T.
name: McLenaghan, Raymond G.
name: Smirnov, Roman G.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mathematical Physics (math-ph)
subject: Astrophysics (astro-ph)
subject: Analysis of PDEs (math.AP)
subject: Differential Geometry (math.DG)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The problem of the invariant classification of the orthogonal coordinate webs defined in Euclidean space is solved within the framework of Felix Klein's Erlangen Program. The results are applied to the problem of integrability of the Calogero-Moser model.
Model of heat diffusion in the outer crust of bursting neutron stars
Creators: name: Yakovlev, D. G.
name: Kaminker, A. D.
name: Potekhin, A. Y.
name: Haensel, P.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We study heat diffusion after an energy release in a deep spherical layer of the outer neutron star crust (10^7 < ρ< 4 x 10^{11} g/cm^3). We demonstrate that this layer possesses specific heat-accumulating properties, absorbing heat and directing it mostly inside the star. It can absorb up to about 10^{43}-10^{44} erg due to its high heat capacity, until its temperature exceeds T ~ 3 x 10^9 K and triggers a rapid neutrino cooling. A warm layer with T ~ 10^8 - 3 x 10^9 K can serve as a good heat reservoir, which is thermally decoupled from the inner crust and the stellar core for a few months. We present a toy model to explore the heat diffusion within the heat-accumulating layer, and we test this model using numerical simulations. We formulate some generic features of the heat propagation which can be useful, for instance, for the interpretation of superbursts in accreting neutron stars. We present a self-similar analysis of late afterglow after such superbursts, which can be helpful to estimate properties of bursting stars.
description: 17 pages, 9 figures, MNRAS, accepted, a few typos and bib references corrected