cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Prostoia completa
Creators: name: DeWalt, R. Edward
name: Grubbs, Scott A.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Nemouridae
Prostoia
Prostoia completa

description: Prostoia completa (Walker). The distribution of this species encompasses the Ozark Mountains eastward to the Atlantic Coast and north to the Canadian Maritime Provinces (DeWalt et al. 2010). Previously, it was known from only single location in southwestern Illinois (Webb 2002). DeWalt et al. (2005) suggested this species was imperiled in Illinois and it was recently listed as “endangered” in the state (Illinois Endangered Species Protection Board 2009). A new Illinois record and several new locations for Indiana are provided. IL, Union Co., Hutchins Creek, 4 km NE Wolf Lake, 37.51135, - 89.37743, 3/23/2002, R.E. DeWalt, S.K. Ferguson, 5♂, 3♀, N (INHS); IN, Crawford Co., Mitchell Creek, 3.5 km SW Eckerty, 38.3006, -86.6599, 3/23/2006, R.E. DeWalt, S.A. Grubbs, ♂ (INHS); Elkhart Co., Little Elkhart River, Bristol at canoe livery, 41.7231, - 85.8109, 3/9/2006, R.E. DeWalt, ♀, N (INHS); Franklin Co., West Fork Whitewater River, W of Metamora at US-52 Bridge, 39.45058, -85.14954, 3/7/2007, R.E. DeWalt, ♀ (INHS); Lawrence Co., Leatherwood Creek, 5.5 km NE Bedford, 38.8992, - 86.4133, 2/23/2006, R.E. DeWalt, 15♂ (INHS); Orange Co., Patoka River, 1 km NE Valeene. 38.4448, - 86.3870, 3/24/2006, R.E. DeWalt, S.A. Grubbs, ♂ (INHS); Pulaski Co., Tippecanoe River, Winamac, Winamac City Park, 41.0555, -86.5994, 3/8/2006, R.E. DeWalt, ♂ (INHS).
description: Published as part of DeWalt, R. Edward & Grubbs, Scott A., 2011, Updates To The Stonefly Fauna Of Illinois And Indiana, pp. 31-50 in Illiesia 7 (3) on pages 38-39, DOI: 10.5281/zenodo.4760399
description: {"references": ["DeWalt, R E., U. Neu-Becker and G. Stueber. 2010. Plecoptera Species File Online. Version 1.1 / 4.0. 12 / 8 / 2010. http: // Plecoptera. SpeciesFile. org.", "Webb, D. W. 2002. The winter stoneflies of Illinois (Insecta: Plecoptera): 100 years of change. Illinois Natural History Survey Bulletin, 36: 195 - 274.", "DeWalt, R. E. & B. D. Heinold. 2005. Summer emerging Ephemeroptera, Plecoptera, and Trichoptera of Abrams Creek, Great Smoky Mountains National Park. Proceedings of the Entomological Society of Washington, 107: 34 - 48.", "Illinois Endangered Species Protection Board. 2009. List of Endangered and Threatened Species in Illinois. 11 / 8 / 2010. HTML address http: // dnr. state. il. us / espb /."]}
Light-front Ward-Takahashi identity and current conservation
Creators: name: Marinho, J.A.O.
name: Frederico, T.
name: Sauer, P.U.
Publisher: name: College Park, MD : American Physical Society
Year: 2007
Subjects: subject: quantum system
subject: Bethe-Salpeter equation
subject: electromagnetic current operator
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We construct a conserved electromagnetic current for two-boson systems in finite mass boson exchange models within light-front dynamics. For that purpose, we use a quasipotential reduction to perform the three-dimensional light-front projection of the 4-dimensional current operator. The electromagnetic current operator acting on the valence component of bound and scattering states can be perturbatively calculated in the quasipotential expansion, in correspondence with a truncation of the Fock space. The divergence of the proposed current operator satisfies a Ward-Takahashi identity at any given order of the quasipotential expansion. Also shown is the relation between the three-dimensional light-front reduction of the field-theoretic Bethe-Salpeter amplitudes and current for bound and scattering states with the 4-dimensional ones. The matrix elements of the 4-dimensional current operator can be fully recovered from the corresponding light-front ones. In one test case the theoretical framework is realized explicitly.
Equilibration of Isolated Macroscopic Quantum Systems under Experimentally Realistic Conditions
Creators: name: Reimann, Peter
Publisher: name: arXiv
Year: 2012
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In how far does an non-equilibrium initial ensemble evolve towards a stationary long time behavior for an isolated macroscopic quantum system? We demonstrate that deviations from a steady state indeed become unmeasurably small or exceedingly rare after initial transients have died out under the following conditions: The Hamilonian does not exhibit exceedingly large degeneracies of energy eigenvalues and energy gaps. A large number of energy levels is significantly populated by the initial ensemble. The system is observed by a measurement device with a reasonably bound working range compared to the resolution limit. The entire experiment, ending with the quantum mechanical measurement process, can only be repeated a "reasonable" number of times. It is argued that all these prerequisites for equilibration are fulfilled under many, if not all, experimentally realistic conditions.
Light-front Ward-Takahashi identity for two-fermion systems
Creators: name: Marinho, J.A.O.
name: Frederico, T.
name: Pace, E.
name: Salmè, G.
name: Sauer, P.U.
Publisher: name: College Park, MD : American Physical Society
Year: 2008
Subjects: subject: interacting-fermion systems
subject: Ward-Takahashi identity
subject: Bethe-Salpeter (BS) equation
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We propose a three-dimensional electromagnetic current operator within light-front dynamics that satisfies a light-front Ward-Takahashi identity for two-fermion systems. The light-front current operator is obtained by a quasipotential reduction of the four-dimensional current operator and acts on the light-front valence component of bound or scattering states. A relation between the light-front valence wave function and the four-dimensional Bethe-Salpeter amplitude both for bound or scattering states is also derived, such that the matrix elements of the four-dimensional current operator can be fully recovered from the corresponding light-front ones. The light-front current operator can be perturbatively calculated through a quasipotential expansion, and the divergence of the proposed current satisfies a Ward-Takahashi identity at any given order of the expansion. In the quasipotential expansion the instantaneous terms of the fermion propagator are accounted for by the effective interaction and two-body currents. We exemplify our theoretical construction in the Yukawa model in the ladder approximation, investigating in detail the current operator at the lowest nontrivial order of the quasipotential expansion of the Bethe-Salpeter equation. The explicit realization of the light-front form of the Ward-Takahashi identity is verified. We also show the relevance of instantaneous terms and of the pair contribution to the two-body current and the Ward-Takahashi identity.
Differential cross section and analyzing power measurements for →nd elastic scattering at 248 MeV
Creators: name: Maeda, Y.
name: Sakai, H.
name: Fujita, K.
name: Greenfield, M.B.
name: Hatanaka, K.
name: Hatano, M.
name: Kamiya, J.
name: Kawabata, T.
name: Kuboki, H.
name: Okamura, H.
name: Rapaport, J.
name: Saito, T.
name: Sakemi, Y.
name: Sasano, M.
name: Sekiguchi, K.
name: Shimizu, Y.
name: Suda, K.
name: Tameshige, Y.
name: Tamii, A.
name: Wakasa, T.
name: Yako, K.
name: Blomgren, J.
name: Mermod, P.
name: Öhrn, A.
name: Österlund, M.
name: Witala, H.
name: Deltuva, A.
name: Fonseca, A.C.
name: Sauer, P.U.
name: Glöckle, W.
name: Golak, J.
name: Kamada, H.
name: Nogga, A.
name: Skibinski, R.
Publisher: name: College Park, MD : American Physical Society
Year: 2007
Subjects: subject: vector analyzing
subject: Faddeev calculations
subject: data reduction
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: The differential cross sections and vector analyzing powers for nd elastic scattering at En=248 MeV were measured for 10°–180° in the center-of-mass (c.m.) system. To cover the wide angular range, the experiments were performed separately by using two different setups for forward and backward angles. The data are compared with theoretical results based on Faddeev calculations with realistic nucleon-nucleon (NN) forces such as AV18, CD Bonn, and Nijmegen I and II, and their combinations with the three-nucleon forces (3NFs), such as Tucson-Melbourne 99 (TM99), Urbana IX, and the coupled-channel potential with Δ-isobar excitation. Large discrepancies are found between the experimental cross sections and theory with only 2N forces for θc.m.>90°. The inclusion of 3NFs brings the theoretical cross sections closer to the data but only partially explains this discrepancy. For the analyzing power, no significant improvement is found when 3NFs are included. Relativistic corrections are shown to be small for both the cross sections and the analyzing powers at this energy. For the cross sections, these effects are mostly seen in the very backward angles. Compared with the pd cross section data, quite significant differences are observed at all scattering angles that cannot be explained only by the Coulomb interaction, which is usually significant at small angles.
Resolving Vega and the inclination controversy with CHARA/MIRC
Creators: name: Monnier, J. D.
name: Che, Xiao
name: Zhao, Ming
name: Ekstrom, S.
name: Maestro, V.
name: Aufdenberg, J.
name: Baron, F.
name: Georgy, C.
name: Kraus, S.
name: McAlister, H.
name: Pedretti, E.
name: Ridgway, S.
name: Sturmann, J.
name: Sturmann, L.
name: Brummelaar, T. ten
name: Thureau, N.
name: Turner, N.
name: Tuthill, P. G.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Optical and infrared interferometers definitively established that the photometric standard Vega (alpha Lyrae) is a rapidly rotating star viewed nearly pole-on. Recent independent spectroscopic analyses could not reconcile the inferred inclination angle with the observed line profiles, preferring a larger inclination. In order to resolve this controversy, we observed Vega using the six-beam Michigan Infrared Combiner on the Center for High Angular Resolution Astronomy Array. With our greater angular resolution and dense (u,v)-coverage, we find Vega is rotating less rapidly and with a smaller gravity darkening coefficient than previous interferometric results. Our models are compatible with low photospheric macroturbulence and also consistent with the possible rotational period of ~0.71 days recently reported based on magnetic field observations. Our updated evolutionary analysis explicitly incorporates rapid rotation, finding Vega to have a mass of 2.15+0.10_-0.15 Msun and an age 700-75+150 Myrs, substantially older than previous estimates with errors dominated by lingering metallicity uncertainties (Z=0.006+0.003-0.002).
description: Accepted for publication in ApJ Letters
Quantum Cryptography as a Retrodiction Problem
Creators: name: Werner, A.H.
name: Franz, T.
name: Werner, R.F.
Publisher: name: College Park, MD : American Physical Society
Year: 2009
Subjects: subject: Quantum Cryptography
subject: quantum retrodiction protocol
subject: quantum key distribution
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We propose a quantum key distribution protocol based on a quantum retrodiction protocol, known as the Mean King problem. The protocol uses a two way quantum channel. We show security against coherent attacks in a transmission-error free scenario, even if Eve is allowed to attack both transmissions. This establishes a connection between retrodiction and key distribution.
Relativistic corrections of one-nucleon current in low-energy three-nucleon photonuclear reactions
Creators: name: Deltuva, A.
name: Fonseca, A.C.
name: Sauer, P.U.
Publisher: name: College Park, MD : American Physical Society
Year: 2009
Subjects: subject: three-nucleon (3N) system
subject: electric multipoles
subject: lowenergy photoreactions
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: Proton-deuteron radiative capture and two- and three-body photodisintegration of 3He at low energy are described using realistic hadronic dynamics and including the Coulomb force. The sensitivity of the observables to the relativistic corrections of the one-nucleon electromagnetic current operator is studied. Significant effects of the relativistic spin-orbit charge are found for the vector-analyzing powers in the proton-deuteron radiative capture and for the beam-target parallel-antiparallel spin asymmetry in the three-body photodisintegration of 3He.
Theoretical insights on measuring quantum correlations
Creators: name: Girolami, Davide
name: Vasile, Ruggero
name: Adesso, Gerardo
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: Other Condensed Matter (cond-mat.other)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We review a recently developed theoretical approach to the experimental detection and quantification of bipartite quantum correlations between a qubit and a d dimensional system. Specifically, introducing a properly designed measure Q, the presented scheme allows us to quantify general quantum correlations for arbitrary states of 2 x d systems without the need to fully reconstruct them by tomographic techniques. We take in exam the specifics of the required experimental architecture in nuclear magnetic resonance and optical settings. Finally we extend this approach to models of open system dynamics and discuss possible advantages and limitations in such a context.
description: 23 pages, 6 figures; to appear in Int. J. Mod. Phys. B, special issue "Classical vs quantum correlations in composite systems" edited by L. Amico, S. Bose, V. Korepin, and V. Vedral
Color centers in NaCl by hybrid functionals
Creators: name: Chen, Wei
name: Tegenkamp, Christoph
name: Pfnür, Herbert
name: Bredow, Thomas
Publisher: name: College Park, MD : American Physical Society
Year: 2010
Subjects: subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We present in this work the electronic structure and transition energies (both thermodynamic and optical) of Cl vacancies in NaCl by hybrid density functionals. The underestimated transition energies by the semilocal functional inherited from the band-gap problem are recovered by the PBE0 hybrid functional through the nonlocal exact exchange, whose amount is adjusted to reproduce the experimental band gap. The hybrid functional also gives a better account of the lattice relaxation for the defect systems arising from the reduced self-interaction. On the other hand, the quantitative agreement with experimental vertical transition energy cannot be achieved with hybrid functionals due to the inaccurate descriptions of the ionization energies of the localized defect and the positions of the band edges. © 2010 The American Physical Society.
Two-Component Coupled KdV Equations and its Connection with the Generalized Harry Dym Equation
Creators: name: Popowicz, Ziemowit
Publisher: name: arXiv
Year: 2012
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences
subject: F.2.0
subject: 35C05, 37K10

description: It is shown that, three different Lax operators in the Dym hierarchy, produce three generalized coupled Harry Dym equations. These equations transform, via the reciprocal link, to the coupled two-component KdV system. The first equation gives us known integrable two-component KdV system while the second reduces to the known symmetrical two-component KdV equation. The last one reduces to the Drienfeld-Sokolov equation. This approach gives us new Lax representation for these equations.
description: 11 pages
Extremal Quantum Correlations and Cryptographic Security
Creators: name: Franz, T.
name: Furrer, F.
name: Werner, R.F.
Publisher: name: College Park, MD : American Physical Society
Year: 2011
Subjects: subject: quantum systems
subject: quantum cryptography
subject: Hilbert space
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We investigate a fundamental property of device-independent security in quantum cryptography by characterizing probability distributions which are necessarily independent of the measurement results of any eavesdropper. We show that probability distributions that are secure in this sense are exactly the extremal quantum probability distributions. This allows us to give a characterization of security in algebraic terms. We apply the method to common examples for two-party as well as multiparty setups and present a scheme for verifying security of probability distributions with two parties, two measurement settings, and two outcomes.
Strong Einstein-Podolsky-Rosen entanglement from a single squeezed light source
Creators: name: Eberle, Tobias
name: Händchen, Vitus
name: Duhme, Jörg
name: Franz, Torsten
name: Werner, Reinhard F.
name: Schnabel, Roman
Publisher: name: College Park, MD : American Physical Society
Year: 2011
Subjects: subject: Gaussian state
subject: poled potassium titanyl phosphate
subject: piezoelectric transducer
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: Einstein-Podolsky-Rosen (EPR) entanglement is a criterion that is more demanding than just certifying entanglement. We theoretically and experimentally analyze the low-resource generation of bipartite continuous-variable entanglement, as realized by mixing a squeezed mode with a vacuum mode at a balanced beam splitter, i.e., the generation of so-called vacuum-class entanglement. We find that in order to observe EPR entanglement the total optical loss must be smaller than 33.3 %. However, arbitrarily strong EPR entanglement is generally possible with this scheme. We realize continuous-wave squeezed light at 1550 nm with up to 9.9 dB of nonclassical noise reduction, which is the highest value at a telecom wavelength so far. Using two phase-controlled balanced homodyne detectors we observe an EPR covariance product of 0.502±0.006<1, where 1 is the critical value. We discuss the feasibility of strong Gaussian entanglement and its application for quantum key distribution in a short-distance fiber network.
Origins of Rolling, Twisting and Non-Radial Propagation of Eruptive Solar Events
Creators: name: Panasenco, Olga
name: Martin, Sara F.
name: Velli, Marco
name: Vourlidas, Angelos
Publisher: name: arXiv
Year: 2012
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We demonstrate that major asymmetries in erupting filaments and CMEs, namely major twists and non-radial motions are typically related to the larger-scale ambient environment around eruptive events. Our analysis of prominence eruptions observed by the STEREO, SDO and SOHO spacecraft shows that prominence spines retain, during the initial phases, the thin ribbon-like topology they had prior to the eruption. This topology allows bending, rolling, and twisting during the early phase of the eruption, but not before. The combined ascent and initial bending of the filament ribbon is non-radial in the same general direction as for the enveloping CME. However, the non-radial motion of the filament is greater than that of the CME. In considering the global magnetic environment around CMEs, as approximated by the Potential Field Source Surface (PFSS) model, we find that the non-radial propagation of both erupting filaments and associated CMEs is correlated with the presence of nearby coronal holes, which deflect the erupting plasma and embedded fields. In addition, CME and filament motions respectively are guided towards weaker field regions, namely null points existing at different heights in the overlying configuration. Due to the presence of the coronal hole, the large-scale forces acting on the CME may be asymmetric. We find that the CME propagates usually non-radially in the direction of least resistance, which is always away from the coronal hole. We demonstrate these results using both low and high latitude examples.
description: 26 pages, 20 figures, accepted in Solar Physics
title: Uncertainty Quantification for Fluid-Structure Interaction: Application to Aortic Biomechanics
Creators: name: Kratzke, Jonas
Publisher: name: Heidelberg University Library
Year: 2018

description: Diseases of the cardiovascular system count to the most common causes of death in the developed countries. There are many open research questions with respect to a better understanding for example of the physiology of the heart and the main arteries or to the determination of the factors for aneurysm or stenosis development of the aorta. Furthermore, on a daily basis, a heart surgeon has to estimate the probability of success for different treatment scenarios as opposed to no intervention.
In recent decades, methods of investigation with living probands (in vivo) and artificial experiments (in vitro) have been complemented more and more by computational methods and simulation (in silico). In particular, numerical simulations have the capability to enhance medical imaging modalities with additional information. However, to date, the biomechanical simulation of aortic blood flow given an uncertain data situation represents a major challenge. So far, mostly deterministic models have been used, Yet, measurement data for the configuration of a simulation is subject to measurement inaccuracies. For the choice of model parameters, which are non-measurable in a living body, often imprecise information is available only.
In this work, novel development steps for a numerical framework are presented aiming for the simulation and evaluation of aortic biomechanics using methods of Uncertainty Quantification (UQ). The work includes the modelling of the aortic biomechanics as a fluid-structure interaction (FSI) problem with uncertain parameters. By means of a subject-specific workflow, the simulation of different probands, phantoms and, ultimately, patients is enabled. For the solution of the complex partial differential system of equations, they are discretised with the finite element method (FEM) and a novel, parallelly efficient and problem-specific solver is developed. To verify the numerical framework implemented in the course of this work, a novel analytically solvable benchmark for UQ-FSI problems is proposed. Furthermore, the numerical framework is validated by means of a prototypical aortic phantom experiment. Finally, the UQ-FSI simulation enables the evaluation of a stress overload probability. This novel parameter is exemplarily evaluated by means of the simulation of a human aortic bow.
Therewith, this work represents a new contribution to aspects of the development of simulation methods for the investigation of aortic biomechanics.
O QUE SE FALA
Creators: name: Santana, José Cláudio Pavão
Publisher: name: Zenodo - Cadernos da Pena do Pavao
Year: 2023

description: Ano 09 – vol. 02 – n. 20/2021
Com o "carnaval pandêmico jurídico" no surrealismo do Brasil, há uma deliberada confusão sobre uma fala do deputado que se encontra inconstitucional e ilegalmente preso.
O fato do pleno do STF ter ratificado uma prisão nula de pleno Direito e ter sido seguido pela subserviência e covardia de 364 deputados federais não sana a ilegalidade. É que o ato é daqueles que se equilibram sobre o autoritarismo, jamais pelo Direito. Aliás, eu diria que o equilíbrio se da pelo número de processos que os parlamentares respondem ou em inquéritos existentes no STF.
Well-Posedness of Nematic Liquid Crystal Flow in $L^3_{\hbox{uloc}}(\R^3)$
Creators: name: Hineman, Jay
name: Wang, Changyou
Publisher: name: arXiv
Year: 2012
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: In this paper, we establish the local well-posedness for the Cauchy problem of the simplified version of hydrodynamic flow of nematic liquid crystals (\ref{LLF}) in $\mathbb R^3$ for any initial data $(u_0,d_0)$ having small $L^3_{\hbox{uloc}}$-norm of $(u_0,\nabla d_0)$. Here $L^3_{\hbox{uloc}}(\mathbb R^3)$ is the space of uniformly locally $L^3$-integrable functions. For any initial data $(u_0, d_0)$ with small $\displaystyle |(u_0,\nabla d_0)|_{L^3(\mathbb R^3)}$, we show that there exists a unique, global solution to (\ref{LLF}) which is smooth for $t>0$ and has monotone deceasing $L^3$-energy for $t\ge 0$.
description: 29 pages
Time-dependent variational principle for quantum lattices
Creators: name: Haegeman, Jutho
name: Cirac, J. Ignacio
name: Osborne, Tobias J.
name: Pižorn, Iztok
name: Verschelde, Henri
name: Verstraete, Frank
Publisher: name: College Park, MD : American Physical Society
Year: 2011
Subjects: subject: density-matrix renormalization group
subject: matrix product states
subject: time-evolving block decimation algorithm
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We develop a new algorithm based on the time-dependent variational principle applied to matrix product states to efficiently simulate the real- and imaginary-time dynamics for infinite one-dimensional quantum lattices. This procedure (i) is argued to be optimal, (ii) does not rely on the Trotter decomposition and thus has no Trotter error, (iii) preserves all symmetries and conservation laws, and (iv) has low computational complexity. The algorithm is illustrated by using both an imaginary-time and a real-time example.
Continuous Variable Quantum Key Distribution: Finite-Key Analysis of Composable Security against Coherent Attacks
Creators: name: Furrer, F.
name: Franz, T.
name: Berta, M.
name: Leverrier, A.
name: Scholz, V. B.
name: Tomamichel, M.
name: Werner, R.F.
Publisher: name: College Park, MD : American Physical Society
Year: 2012
Subjects: subject: Quantum key distribution
subject: quantum mechanics
subject: Devetak-Winter formula
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We provide a security analysis for continuous variable quantum key distribution protocols based on the transmission of two-mode squeezed vacuum states measured via homodyne detection. We employ a version of the entropic uncertainty relation for smooth entropies to give a lower bound on the number of secret bits which can be extracted from a finite number of runs of the protocol. This bound is valid under general coherent attacks, and gives rise to keys which are composably secure. For comparison, we also give a lower bound valid under the assumption of collective attacks. For both scenarios, we find positive key rates using experimental parameters reachable today.
Local and Tunable Geometric Phase of Dirac Fermions in a Topological Junction
Creators: name: Choi, Sang-Jun
name: Park, Sunghun
name: Sim, H. -S.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We discover a new type of geometric phase of Dirac fermions in solids, which is an electronic analogue of the Pancharatnam phase of polarized light. The geometric phase occurs in a local and nonadiabatic scattering event of Dirac fermions at a junction, unveiling topological aspects of scattering of chiral particles, and it is experimentally tunable to an arbitrary value. It provides a unique approach of detecting the topological order of the insulator in a metal-insulator junction of Dirac fermions, establishing new bulk-edge correspondence. The geometric phase also modifies the fundamental quantization rule of Dirac fermions, suggesting topological devices with nontrivial charge and spin transport such as a topological wave guide and a topological transistor.
description: 4pages, 4figures
XMM-Newton evidence of shocked ISM in SN 1006: indications of hadronic acceleration
Creators: name: Miceli, M.
name: Bocchino, F.
name: Decourchelle, A.
name: Maurin, G.
name: Vink, J.
name: Orlando, S.
name: Reale, F.
name: Broersen, S.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Shock fronts in young supernova remnants are the best candidates for being sites of cosmic ray acceleration up to a few PeV, though conclusive experimental evidence is still lacking. Hadron acceleration is expected to increase the shock compression ratio, providing higher postshock densities, but X-ray emission from shocked ambient medium has not firmly been detected yet in remnants where particle acceleration is at work. We exploited the deep observations of the XMM-Newton Large Program on SN 1006 to verify this prediction. We performed spatially resolved spectral analysis of a set of regions covering the southeastern rim of SN 1006. We studied the spatial distribution of the thermodynamic properties of the ambient medium and carefully verified the robustness of the result with respect to the analysis method. We detected the contribution of the shocked ambient medium. We also found that the postshock density of the interstellar medium significantly increases in regions where particle acceleration is efficient. Under the assumption of uniform preshock density, we found that the shock compression ratio reaches a value of ~6 in regions near the nonthermal limbs. Our results support the predictions of shock modification theory and indicate that effects of acceleration of cosmic ray hadrons on the postshock plasma can be observed in supernova remnants.
description: Accepted for publication in A&A
Information propagation for interacting-particle systems
Creators: name: Schuch, Norbert
name: Harrison, Sarah K.
name: Osborne, Tobias J.
name: Eisert, Jens
Publisher: name: College Park, MD : American Physical Society
Year: 2011
Subjects: subject: quantum interacting-particle systems
subject: Lieb-Robinson velocity
subject: Hamiltonian evolution
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We study the speed at which information propagates through systems of interacting quantum particles moving on a regular lattice and show that for a certain class of initial conditions there exists a maximum speed of sound at which information can propagate. Our argument applies equally to quantum spins, bosons such as in the Bose-Hubbard model, fermions, anyons, and general mixtures thereof, on arbitrary lattices of any dimension. It also pertains to dissipative dynamics on the lattice, and generalizes to the continuum for quantum fields. Our result can be seen as an analog of the Lieb-Robinson bound for strongly correlated models.
Harald Pager, The Rock Paintings of the Upper Brandberg 1. Amis Gorge
Creators: name: Züchner, Christian
Publisher: name: Bonner Jahrbücher
Year: 2019

description: Rezension zu: Harald Pager, The Rock Paintings of the Upper Brandberg 1. Amis Gorge. Bearbeitet und herausgegeben von T. Lenssen-Erz und R. Kuper. Mit Beiträgen von P. Breunig und T. Lenssen-Erz. Africa Praehistonca, Band 1. Heinrich-Barth-Institut, Köln 1989. Text- und Tafelband mit 502 Seiten, 9 Farbtafeln und zahlreichen Abbildungen.
description: Bonner Jahrbücher, Bd. 191.1991(1992): Bonner Jahrbücher
Variational matrix product ansatz for dispersion relations
Creators: name: Haegeman, Jutho
name: Pirvu, Bogdan
name: Weir, David J.
name: Cirac, J. Ignacio
name: Osborne, Tobias J.
name: Verschelde, Henri
name: Verstraete, Frank
Publisher: name: College Park, MD : American Physical Society
Year: 2012
Subjects: subject: quantum spin chains
subject: symmetry breaking
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: A variational ansatz for momentum eigenstates of translation-invariant quantum spin chains is formulated. The matrix product state ansatz works directly in the thermodynamic limit and allows for an efficient implementation (cubic scaling in the bond dimension) of the variational principle. Unlike previous approaches, the ansatz includes topologically nontrivial states (kinks, domain walls) for systems with symmetry breaking. The method is benchmarked using the spin-½ XXZ antiferromagnet and the spin-1 Heisenberg antiferromagnet, and we obtain surprisingly accurate results.
Werner Kirchhoff, Die Entwicklung des ionischen Volutenkapitells im 6. und 5. Jahrhundert und seine Entstehung
Creators: name: Knell, Heiner
Publisher: name: Bonner Jahrbücher
Year: 2019

description: Rezension zu: Werner Kirchhoff, Die Entwicklung des ionischen Volutenkapitells im 6. und 5. Jahrhundert und seine Entstehung. Habelts Dissertationsdrucke, Reihe Klassische Archäologie, Band 22. Dr. Rudolf Habelt GmbH, Bonn 1988. 334 Seiten, 3 Tafeln.
description: Bonner Jahrbücher, Bd. 191.1991(1992): Bonner Jahrbücher
Time-dependent variational principle for dissipative dynamics
Creators: name: Kraus, Christina V.
name: Osborne, Tobias J.
Publisher: name: College Park, MD : American Physical Society
Year: 2012
Subjects: subject: quantum phenomena
subject: dissipative processes
subject: time-dependent variational principle
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We extend the time-dependent variational principle to the setting of dissipative dynamics. This provides a locally optimal (in time) approximation to the dynamics of any Lindblad equation within a given variational manifold of mixed states. In contrast to the pure-state setting, there is no canonical information geometry for mixed states, and this leads to a family of possible trajectories—one for each information metric. We focus on the case of the operationally motivated family of monotone Riemannian metrics and show further that, in the particular case where the variational manifold is given by the set of fermionic Gaussian states, all of these possible trajectories coincide. We illustrate our results in the case of the Hubbard model subject to spin decoherence.
Chiral behavior of kaon semileptonic form factors in lattice QCD with exact chiral symmetry
Creators: name: JLQCD Collaboration
name: Kaneko, T.
name: Aoki, S.
name: Cossu, G.
name: Feng, X.
name: Fukaya, H.
name: Hashimoto, S.
name: Noaki, J.
name: Onogi, T.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculate the kaon semileptonic form factors in lattice QCD with three flavors of dynamical overlap quarks. Gauge ensembles are generated at pion masses as low as 290 MeV and at a strange quark mass near its physical value. We precisely calculate relevant meson correlators using the all-to-all quark propagator. Twisted boundary conditions and the reweighting technique are employed to vary the momentum transfer and the strange quark mass. We discuss the chiral behavior of the form factors by comparing with chiral perturbation theory and experiments.
description: 7 pages, 8 pdf figures, talk presented at the 30th International Symposium on Lattice Field Theory (Lattice2012), Cairns, Australia, 24-29 June 2012
Reconstruction of high-resolution SZ maps from heterogeneous datasets using needlets
Creators: name: Remazeilles, Mathieu
name: Aghanim, Nabila
name: Douspis, Marian
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The aim of this work is to propose a joint exploitation of heterogeneous datasets from high-resolution/few-channel experiments and low-resolution/many-channel experiments by using a multiscale needlet Internal Linear Combination (ILC), in order to optimize the thermal Sunyaev-Zeldovich (SZ) effect reconstruction at high resolution. We highlight that needlet ILC is a powerful and tunable component separation method which can easily deal with multiple experiments with various specifications. Such a multiscale analysis renders possible the joint exploitation of high-resolution and low-resolution data, by performing for each needlet scale a combination of some specific channels, either from one dataset or both datasets, selected for their relevance to the angular scale considered, thus allowing to simultaneously extract high resolution SZ signal from compact clusters and remove Galactic foreground contamination at large scales.
description: 17 pages, 15 figures, submitted to MNRAS
title: Die Tonwarenfabrik Bodmer in Zürich-Wiedikon
title: Zürcher-Keramik
titleType: AlternativeTitle
title: TONWARENFABRIK BODMER in ZUERICH-WIEDIKON
titleType: AlternativeTitle
title: Zürcher Keramik
titleType: AlternativeTitle
title: Geschichte, Produktion, Firmeninhaber, Entwerfer
titleType: Subtitle
Creators: name: Bodmer-Huber, Ernst
name: Orelli-Messerli, Barbara Von
Publisher: name: Stadtarchiv
Year: 1986
Subjects: subject: 338 Produktion
subject: 949 Geschichte anderer Teile Europas
subject: Zürich
subject: Zürich-Wiedikon
subject: Fabrik
subject: Ton
subject: Keramik
subject: Unternehmensgeschichte
subject: Produktion
subject: Ausstellung

description: Begleitpublikation zur Ausstellung des Stadtarchives Zürich in Zusammenarbeit mit dem Schweizerischen Landesmuseum und mit Unterstützung der Ernst- und Theodor-Bodmer-Stiftung Zürich, Haus zum untern Rech, 15. März-14. Juni 1986
description: Sonderdruck aus: Keramik-Freunde der Schweiz ; Mitteilungsblatt 101 (1986)
Combining QCD and electroweak corrections to dilepton production in FEWZ
Creators: name: Li, Ye
name: Petriello, Frank
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We combine the next-to-next-to-leading order (NNLO) QCD corrections to lepton-pair production through the Drell-Yan mechanism with the next-to-leading order (NLO) electroweak corrections within the framework of the FEWZ simulation code. Control over both sources of higher-order contributions is necessary for measurements where percent-level theoretical predictions are crucial, and in phase-space regions where the NLO electroweak corrections grow large. The inclusion of both corrections in a single simulation code eliminates the need to separately incorporate such effects as final-state radiation and electroweak Sudakov logarithms when comparing many experimental results to theory. We recalculate the NLO electroweak corrections in the complex-mass scheme for both massless and massive final-state leptons, and modify the QCD corrections in the original FEWZ code to maintain consistency with the complex-mass scheme to the lowest order. We present phenomenological results for LHC studies that include both NNLO QCD and NLO electroweak corrections. In addition, we study several interesting kinematics features induced by experimental cuts in the distribution of photon radiation at the LHC.
description: 21 pages, 13 figures
O QUE NOS AGUARDA?
Creators: name: Santana, José Cláudio Pavão
Publisher: name: Zenodo - Cadernos da Pena do Pavao
Year: 2023

description: Ano 09 – vol. 03 – n. 29/2021
Eu gostaria de ter essa resposta. Infelizmente só posso, em breves palavras, dizer ao
leitor que vivemos o caos.
Calma!
Não é por falarem em cloroquina, genocídio, essas baboseiras de quem mal abriu um livro de história, por preguiça. Falo dessa pandemia jurídica que o Brasil vive mesmo.
แบบจำลองการพยากรณ์ราคามันสาปะหลังโดยใช้โครงข่ายประสาทเทียมแบบหลายชั้น
Creators: name: ผุสดี บุญรอด
name: กรวัฒน์ พลเยี่ยม
Publisher: name: กองบริหารการวิจัย มหาวิทยาลัยธรรมศาสตร์
Year: 2560
Subjects: โครงข่ายประสาทเทียมแบบหลายชั้น, เคเนียเรสเนเบอร์, การวิเคราะห์การถดถอยเชิงเส้น, ราคามันสาปะหลัง, การพยากรณ์

description: วารสารวิทยาศาสตร์และเทคโนโลยี, 25, 3, 533-543
Electric Quantum Walks with Individual Atoms
Creators: name: Genske, Maximilian
name: Alt, Wolfgang
name: Steffen, Andreas
name: Werner, Albert H.
name: Werner, Reinhard F.
name: Meschede, Dieter
name: Alberti, Andrea
Publisher: name: College Park, MD : American Physical Society
Year: 2013
Subjects: subject: quantum transport model
subject: charged particle
subject: lectric quantum walk
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We report on the experimental realization of electric quantum walks, which mimic the effect of an electric field on a charged particle in a lattice. Starting from a textbook implementation of discrete-time quantum walks, we introduce an extra operation in each step to implement the effect of the field. The recorded dynamics of such a quantum particle exhibits features closely related to Bloch oscillations and interband tunneling. In particular, we explore the regime of strong fields, demonstrating contrasting quantum behaviors: quantum resonances versus dynamical localization depending on whether the accumulated Bloch phase is a rational or irrational fraction of 2π.We report on the experimental realization of electric quantum walks, which mimic the effect of an electric field on a charged particle in a lattice. Starting from a textbook implementation of discrete-time quantum walks, we introduce an extra operation in each step to implement the effect of the field. The recorded dynamics of such a quantum particle exhibits features closely related to Bloch oscillations and interband tunneling. In particular, we explore the regime of strong fields, demonstrating contrasting quantum behaviors: quantum resonances versus dynamical localization depending on whether the accumulated Bloch phase is a rational or irrational fraction of 2π.
Entanglement renormalization for quantum fields in real space
Creators: name: Haegeman, Jutho
name: Osborne, Tobias J.
name: Verschelde, Henri
name: Verstraete, Frank
Publisher: name: College Park, MD : American Physical Society
Year: 2013
Subjects: subject: quantum many-body systems
subject: renormalization group
subject: entropy-area law
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We show how to construct renormalization group (RG) flows of quantum field theories in real space, as opposed to the usual Wilsonian approach in momentum space. This is achieved by generalizing the multiscale entanglement renormalization ansatz to continuum theories. The variational class of wave functions arising from this RG flow are translation invariant and exhibits an entropy-area law. We illustrate the construction for a free nonrelativistic boson model, and argue that the full power of the construction should emerge in the case of interacting theories.
Simple Solution to the Strangeness Horn Description Puzzle
Creators: name: Bugaev, K. A.
name: Oliinychenko, D. R.
name: Sorin, A. S.
name: Zinovjev, G. M.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We propose to use the thermal model with the multi-component hard-core radii to describe the hadron yield ratios from the low AGS to the highest RHIC energies. It is demonstrated that the variation of the hard-core radii of pions and kaons enable us to drastically improve the fit quality of the measured mid-rapidity data and for the first time to completely describe the Strangeness Horn behavior as the function of the energy of collision without spoiling the fit quality of other ratios. The best global fit is found for the vanishing hard-core radius of pions and for the hard-core radius of kaons being equal to 0.35 fm, whereas the hard-core radius of all other mesons is fixed to 0.3 fm and that one of baryons is fixed to 0.5 fm. It is argued that the multi-component hadron resonance gas model opens us a principal possibility to determine the second virial coefficients of hadron-hadron interaction.
description: 11 pages, 3 figures
Post-matrix product state methods: To tangent space and beyond
Creators: name: Haegeman, Jutho
name: Osborne, Tobias J.
name: Verstraete, Frank
Publisher: name: College Park, MD : American Physical Society
Year: 2013
Subjects: subject: quantum information theory
subject: condensed matter physics
subject: tensor network states
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We develop in full detail the formalism of tangent states to the manifold of matrix product states, and show how they naturally appear in studying time evolution, excitations, and spectral functions. We focus on the case of systems with translation invariance in the thermodynamic limit, where momentum is a well-defined quantum number. We present some illustrative results and discuss analogous constructions for other variational classes. We also discuss generalizations and extensions beyond the tangent space, and give a general outlook towards post-matrix product methods.
Evolution of quantum correlations in a two-atom system
Creators: name: Tanaś, Ryszard
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We discuss the evolution of quantum correlations for a system of two two-level atoms interacting with a common reservoir. The Markovian master equation is used to describe the evolution of various measures of quantum correlations.
description: Submitted to the proceeding od the CEWQO 2012 Conference
Elementary excitations in gapped quantum spin systems
Creators: name: Haegeman, Jutho
name: Michalakis, Spyridon
name: Nachtergaele, Bruno
name: Osborne, Tobias J.
name: Schuch, Norbert
name: Verstraete, Frank
Publisher: name: College Park, MD : American Physical Society
Year: 2013
Subjects: subject: relativistic covariance
subject: relativistic quantum field theory
subject: many body physics
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: For quantum lattice systems with local interactions, the Lieb-Robinson bound serves as an alternative for the strict causality of relativistic systems and allows the proof of many interesting results, in particular, when the energy spectrum exhibits an energy gap. In this Letter, we show that for translation invariant systems, simultaneous eigenstates of energy and momentum with an eigenvalue that is separated from the rest of the spectrum in that momentum sector can be arbitrarily well approximated by building a momentum superposition of a local operator acting on the ground state. The error satisfies an exponential bound in the size of the support of the local operator, with a rate determined by the gap below and above the targeted eigenvalue. We show this explicitly for the Affleck-Kennedy-Lieb-Tasaki model and discuss generalizations and applications of our result.
Ein Depotfund der älteren Bronzezeit aus Dieskau bei Halle
Creators: name: Förtsch, Oscar
Publisher: name: Jahresschrift für mitteldeutsche Vorgeschichte
Year: 2019

description: -
description: Jahresschrift für mitteldeutsche Vorgeschichte, Bd. 4 (1905): Jahresschrift für die Vorgeschichte der sächsisch-thüringischen Länder