cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Noether currents for the Teukolsky Master Equation
Creators: name: Toth, Gabor Zsolt
Publisher: name: arXiv
Year: 2018
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Conserved currents associated with the time translation and axial symmetries of the Kerr spacetime and with scaling symmetry are constructed for the Teukolsky Master Equation (TME). Three partly different approaches are taken, of which the third one applies only to the spacetime symmetries. The results yielded by the three approaches, which correspond to three variants of Noether's theorem, are essentially the same, nevertheless. The construction includes the embedding of the TME into a larger system of equations, which admits a Lagrangian and turns out to consist of two TMEs with opposite spin weight. The currents thus involve two independent solutions of the TME with opposite spin weights. The first approach provides an example of the application of an extension of Noether's theorem to nonvariational differential equations. This extension is also reviewed in general form. The variant of Noether's theorem applied in the third approach is a generalization of the standard construction of conserved currents associated with spacetime symmetries in general relativity, in which the currents are obtained by the contraction of the symmetric energy-momentum tensor with the relevant Killing vector fields. Symmetries and conserved currents related to boundary conditions are introduced as well, and Noether's theorem and its variant for nonvariational differential equations are extended to them. The extension of the latter variant is used to construct conserved currents related to the Sommerfeld boundary condition.
description: 19 pages, revised manuscript, new subsections on boundary conditions
The Role of Meson Retardation in Deuteron Photodisintegration above Pion Threshold
Creators: name: Schwamb, Michael
name: Arenhoevel, Hartmuth
Publisher: name: arXiv
Year: 2000
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Photodisintegration of the deuteron above $π$ threshold is studied in a coupled channel approach including $N Δ$ and $πd$ channels with consideration of pion retardation in potentials and exchange currents. A much improved description of total and differential cross sections in the energy region between $π$ threshold and 400-450 MeV is achieved. With respect to polarization observables, the description of the linear photon asymmetry and the proton polarization remains problematic.
description: 26 pages revtex including 25 figures
Weak gravitational lensing in different cosmologies, using an algorithm for shear in three dimensions
Creators: name: Barber, Andrew J.
name: Thomas, Peter A.
name: Couchman, H. M. P.
name: Fluke, C. J.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the results of weak gravitational lensing statistics in four different cosmological $N$-body simulations. The data has been generated using an algorithm for the three-dimensional shear, which makes use of a variable softening facility for the $N$-body particle masses, and enables a physical interpretation for the large-scale structure to be made. Working in three-dimensions also allows the correct use of the appropriate angular diameter distances. Our results are presented on the basis of the filled beam approximation in view of the variable particle softening scheme in our algorithm. The importance of the smoothness of matter in the universe for the weak lensing results is discussed in some detail. The low density cosmology with a cosmological constant appears to give the broadest distributions for all the statistics computed for sources at high redshifts. In particular, the range in magnification values for this cosmology has implications for the determination of the cosmological parameters from high-redshift Type Ia Supernovæ. The possibility of determining the density parameter from the non-Gaussianity in the probability distribution for the convergence is discussed.
description: 25 pages, LaTeX, 30 figures
The one-dimensional Lyα forest power spectrum from BOSS
Creators: name: Palanque-Delabrouille, Nathalie
name: Yeche, Christophe
name: Borde, Arnaud
name: Jean-Marc  Le Goff
name: Rossi, Graziano
name: Viel, Matteo
name: Aubourg, Eric
name: Bailey, Stephen
name: Bautista, Julian
name: Blomqvist, Michael
name: Bolton, Adam
name: Bolton, James S.
name: Busca, Nicolas G.
name: Carithers, Bill
name: Croft, Rupert
name: Dawson, Kyle S.
name: Timothee  Delubac
name: Font-Ribera, Andreu
name: Ho, Shirley Chan Wan
name: Kirkby, David
name: Khee-Gan  Lee
name: Margala, Daniel
name: Miralda-Escude, Jordi
name: Demitri  Muna
name: Myers, Adam D.
name: Pasquier  Noterdaeme
name: Paris, Isabelle
name: Petitjean, Patrick
name: Pieri, Matthew M.
name: Rich, James
Publisher: name: Carnegie Mellon University
Year: 2013
Subjects: subject: 20399 Classical Physics not elsewhere classified
subject: FOS: Physical sciences

description: We have developed two independent methods for measuring the one-dimensional power spectrum of the transmitted flux in the Lyman-α forest. The first method is based on a Fourier transform and the second on a maximum-likelihood estimator. The two methods are independent and have different systematic uncertainties. Determination of the noise level in the data spectra was subject to a new treatment, because of its significant impact on the derived power spectrum. We applied the two methods to 13 821 quasar spectra from SDSS-III/BOSS DR9 selected from a larger sample of over 60 000 spectra on the basis of their high quality, high signal-to-noise ratio (S/N), and good spectral resolution. The power spectra measured using either approach are in good agreement over all twelve redshift bins from ⟨z⟩ = 2.2 to ⟨z⟩ = 4.4, and scales from 0.001 km s-1 to 0.02 km s-1. We determined the methodological andinstrumental systematic uncertainties of our measurements. We provide a preliminary cosmological interpretation of our measurements using available hydrodynamical simulations. The improvement in precision over previously published results from SDSS is a factor 2–3 for constraints on relevant cosmological parameters. For a ΛCDM model and using a constraint on H0 that encompasses measurements based on the local distance ladder and on CMB anisotropies, we infer σ8 = 0.83 ± 0.03 andns = 0.97 ± 0.02 based on H i absorption in the range 2.1 < z < 3.7.
Additional file 9 of Genome-wide identification and characterization of lncRNAs in sunflower endosperm
Creators: name: Yu, Shuai
name: Zhang, Zhichao
name: Li, Jing
name: Zhu, Yanbin
name: Yin, Yanzhe
name: Zhang, Xiaoyu
name: Dai, Yuxin
name: Zhang, Ao
name: Li, Cong
name: Zhu, Yanshu
name: Fan, Jinjuan
name: Ruan, Yanye
name: Dong, Xiaomei
Publisher: name: figshare
Year: 2022
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 9: Fig. S5. Identification of imprinted long non-coding RNAs (lncRNAs) in sunflower endosperm at 12 DAP.
Approximate Likelihood Approaches for Detecting the Influence of Primordial Gravitational Waves in Cosmic Microwave Background Polarization
Creators: name: Pan, Zhen
name: Anderes, Ethan
name: Knox, Lloyd
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: One of the major targets for next-generation cosmic microwave background (CMB) experiments is the detection of the primordial B-mode signal. Planning is under way for Stage-IV experiments that are projected to have instrumental noise small enough to make lensing and foregrounds the dominant source of uncertainty for estimating the tensor-to-scalar ratio $r$ from polarization maps. This makes delensing a crucial part of future CMB polarization science. In this paper we present a likelihood method for estimating the tensor-to-scalar ratio $r$ from CMB polarization observations, which combines the benefits of a full-scale likelihood approach with the tractability of the quadratic delensing technique. This method is a pixel space, all order likelihood analysis of the quadratic delensed B modes, and it essentially builds upon the quadratic delenser by taking into account all order lensing and pixel space anomalies. Its tractability relies on a crucial factorization of the pixel space covariance matrix of the polarization observations which allows one to compute the full Gaussian approximate likelihood profile, as a function of $r$, at the same computational cost of a single likelihood evaluation.
The influence of the band structure of epitaxial graphene on SiC on the transistor characteristics
Creators: name: Gu, Gong
name: Luxmi
name: P. J. Fisher
name: Nishtha  Srivastava
name: Feenstra, Randall
Publisher: name: Carnegie Mellon University
Year: 2009
Subjects: subject: 20399 Classical Physics not elsewhere classified
subject: FOS: Physical sciences

description: We fabricated high-mobility field-effect transistors based on epitaxial graphene synthesized by vacuum graphitization of both the Si- and C-faces of SiC. Room-temperature field-effect mobilities >4000 cm2/V s for both electrons and holes were achieved, although with wide distributions. By using a high-k gate dielectric, we were able to measure the transistor characteristics in a wide carrier density range, where the mobility is seen to decrease as the carrier density increases. We formulate a simple semiclassical model of electrical transport in graphene, and explain the sublinear dependence of conductivity on carrier density from the view point of the few-layer graphene energy band structure. Our analysis reveals important differences between the few-layer graphene energy dispersions on the SiC Si- and C-faces, providing the first evidence based on electrical device characteristics for the theoretically proposed energy dispersion difference between graphene synthesized on these two faces of SiC.
A new error-modeling of Hardy's paradox for superconducting qubits and its experimental verification
Creators: name: Das, Soumya
name: Paul, Goutam
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Hardy's paradox (equivalently, Hardy's non-locality or Hardy's test) [\href{https://link.aps.org/doi/10.1103/PhysRevLett.68.2981}{L. Hardy, Phys. Rev. Lett. \textbf{68}, 2981 (1992)}] is used to show non-locality without inequalities and it has been tested several times using optical circuits. We, for the first time, experimentally test Hardy's paradox of non-locality in superconducting qubits. For practical verification of Hardy's paradox, we argue that the error-modeling used in optical circuits is not useful for superconducting qubits. So, we propose a new error-modeling for Hardy's paradox and a new method to estimate the lower bound on Hardy's probability (i.e., the probability of a specific event in Hardy's test) for superconducting qubits. Our results confirmed the theory that any non-maximally entangled state of two qubits violates Hardy's equations; whereas, any maximally entangled state and product state of two qubits do not exhibit Hardy's non-locality. Further, we point out the difficulties associated with the practical implementation of quantum protocols based on Hardy's paradox and propose possible remedies. We also propose two performance measures for any two qubits of any quantum computer based on superconducting qubits.
Self-energy and critical temperature of weakly interacting bosons
Creators: name: Ledowski, Sascha
name: Hasselmann, Nils
name: Kopietz, Peter
Publisher: name: arXiv
Year: 2003
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Using the exact renormalization group we calculate the momentum-dependent self-energy Sigma (k) at zero frequency of weakly interacting bosons at the critical temperature T_c of Bose-Einstein condensation in dimensions 3 <= D < 4. We obtain the complete crossover function interpolating between the critical regime k << k_c, where Sigma (k) propto k^{2 - eta}, and the short-wavelength regime k >> k_c, where Sigma (k) propto k^{2 (D-3)} in D> 3 and Sigma (k) \propto ln (k/k_c) in D=3. Our approach yields the crossover scale k_c on the same footing with a reasonable estimate for the critical exponent eta in D=3. From our Sigma (k) we find for the interaction-induced shift of T_c in three dimensions Delta T_c / T_c approx 1.23 a n^{1/3}, where a is the s-wave scattering length and n is the density.
description: 4 pages,1 figure
Additional file 5 of Analyses of energy metabolism and stress defence provide insights into Campylobacter concisus growth and pathogenicity
Creators: name: Yeow, Melissa
name: Liu, Fang
name: Ma, Rena
name: Williams, Timothy
name: Riordan, Stephen
name: Zhang, Li
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Marine Biology
subject: Computational Biology

description: Additional file 5: Table S5. NCBI locus tags for genes involved in use of electron acceptors.
The Impact of Interpixel Capacitance on WFIRST PSFs
Creators: name: Kannawadi, Arun
name: Shapiro, Charles A.
name: Mandelbaum, Rachel
name: Hirata, Christopher M.
name: Kruk, Jeffrey W.
name: Rhodes, Jason D.
Publisher: name: Carnegie Mellon University
Year: 2015
Subjects: subject: 20399 Classical Physics not elsewhere classified
subject: FOS: Physical sciences

description: Unlike optical CCDs, near-infrared detectors, which are based on CMOS hybrid readout technology, typically suffer from electrical crosstalk between the pixels. The interpixel capacitance (IPC) responsible for the crosstalk affects the point-spread function (PSF) of the telescope, increasing the size and modifying the shape of all objects in the images while correlating the Poisson noise. Upcoming weak lensing surveys that use these detectors, such as WFIRST, place stringent requirements on the PSF size and shape (and the level at which these are known), which in turn must be translated into requirements on IPC. To facilitate this process, we present a first study of the effect of IPC on WFIRST PSF sizes and shapes. Realistic PSFs are forward-simulated from physical principles for each WFIRST bandpass. We explore how the PSF size and shape depends on the range of IPC coupling with pixels that are connected along an edge or corner; for the expected level of IPC in WFIRST, IPC increases the PSF sizes by ∼5\%. We present a linear fitting formula that describes the uncertainty in the PSF size or shape due to uncertainty in the IPC, which could arise for example due to unknown time evolution of IPC as the detectors age or due to spatial variation of IPC across the detector. We also study of the effect of a small anisotropy in the IPC, which further modifies the PSF shapes. Our results are a first, critical step in determining the hardware and characterization requirements for the detectors used in the WFIRST survey.
MPEC 2024-U115 : DAILY ORBIT UPDATE (2024 October 26)
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Realizing exceptional points by Floquet dissipative couplings in thermal atoms
Creators: name: Zhang, Zimo
name: Zhang, Fengbo
name: Xu, Zhongxiao
name: Hu, Ying
name: Bao, Han
name: Shen, Heng
Publisher: name: arXiv
Year: 2025
Subjects: subject: Quantum Physics (quant-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: Exceptional degeneracies and generically complex spectra of non-Hermitian systems are at the heart of numerous phenomena absent in the Hermitian realm. Recently, it was suggested that Floquet dissipative coupling in the space-time domain may provide a novel mechanism to drive intriguing spectral topology with no static analogues, though its experimental investigation in quantum systems remains elusive. We demonstrate such Floquet dissipative coupling in an ensemble of thermal atoms interacting with two spatially separated optical beams, and observe an anomalous anti-parity-time symmetry phase transition at an exception point far from the phase-transition threshold of the static counterpart. Our protocol sets the stage for Floquet engineering of non-Hermitian topological spectra, and for engineering new quantum phases that cannot exist in static systems.
description: 6 pages, 4 figures
Compact and Loosely Bound Structures in Light Nuclei
Creators: name: Savchenko, O. L.
name: Steshenko, A. I.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A role of different components in the wave function of the weakly bound light nuclei states was studied within the framework of the cluster model, taking into account of orbitals "polarization". It was shown that a limited number of structures associated with the different modes of nucleon motion can be of great importance for such systems. Examples of simple and quite flexible trial wave functions are given for the nuclei $^8$Be, $^6$He. Expressions for the microscopic wave functions of these nuclei were found and used for the calculation of basic nuclear characteristics, using well known central-exchange nucleon-nucleon potentials.
description: 19 pages, 3 ps figures
Resolved Spectroscopy of the Narrow-Line Region in NGC 1068: Kinematics of the Ionized Gas
Creators: name: Crenshaw, D. M.
name: Kraemer, S. B.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have determined the radial velocities of the [O III] emitting gas in the inner narrow-line region (NLR) of the Seyfert 2 galaxy NGC 1068, along a slit at position angle of 202 degrees, from STIS observations at a spatial resolution of 0.1 arcsec and a spectral resolving power of approximately 1000. We use these data to investigate the kinematics of the NLR within 6 arcsec (430 pc) of the nucleus. The emission-line knots show evidence for radial acceleration, to a projected angular distance of 1.7 arcsec in most cases, followed by deceleration that approaches the systemic velocity at a projected distance of about 4 arcsec. We find that a simple kinematic model of biconical radial outflow can match the general trend of observed radial velocities. In this model, the emitting material is evacuated along the bicone axis, and the axis is inclined 5 degrees out of the plane of the sky. The acceleration of the emission-line clouds provides support for dynamical models that invoke radiation and/or wind pressure. We suggest that the deceleration of the clouds is due to their collision with a patchy and anistropically distributed ambient medium.
description: 18 pages, Latex, includes 3 figures in postscript, to appear in the Astrophysical Journal Letters
Additional file 2: of Curcumin overcome primary gefitinib resistance in non-small-cell lung cancer cells through inducing autophagy-related cell death
Creators: name: Chen, Ping
name: Huang, Han-Peng
name: Wang, Yi
name: Jin, Jun
name: Long, Wei-Guo
name: Chen, Kan
name: Zhao, Xiao-Hui
name: Chen, Chen-Guo
name: Li, Jian
Publisher: name: figshare
Year: 2019
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Pharmacology
subject: Evolutionary Biology
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Cancer
subject: Hematology
subject: Plant Biology

description: Table S1. List of primer sequences used in this study. (PDF 67 kb)
Creators and collectors : tracing the reception of Australian art 1850 - 1920
Creators: name: McComb, Sandra Ann
Publisher: name: The Australian National University
Year: 2015

description: Tracing the Reception of Australian Art 1850 - 1920 Collectors and collecting have since the time of Alexander Humboldt, Charles Darwin and others offered a visible method of displaying the interests of specific periods of history. With this in mind, this study probes the intentions and reception of those involved in collecting knowledge and creating imagery during late 19th century colonial Victoria. By taking a biographical approach to a range of collectors and artists, black and white, I display the human dilemmas influencing and affecting debates surrounding aesthetic acceptability. I argue that the changing dynamics between art and science, and conflicts between heritage and changing colonial imperatives presented substantial challenges for all concerned. From a colonial perspective, at mid-century, scientific collecting had been the driver of the prominent art form - largely to provide France, Britain and other European repositories with knowledge of a 'new world'. As settlement in Australia firmed, scientifically oriented art, along with that of European styles, slowly yielded to calls for an aesthetic Australian art form created to reflect life in a maturing society. This was the art form that ensured oblivion for those artworks created by Indigenous people in attempting to have their heritage recognised. The scene, however, was not as straightforward as this suggests. Scientific collection had expanded from the realms of natural science to embrace ethnology, and this in turn saw the artworks collected within that process belonging to the scientific domain. Not, then Australian art. Strengthening the demise of Indigenous art was the increasingly negative colonial and federal attitude to Aboriginal people. Regarded for some time as a dying race, and confronting the notion of a federal White Australia, Aboriginal people and their cultural expressions were suppressed for many decades.
Embedding a $θ$-invariant code into a complete one
Creators: name: Néraud, Jean
name: Selmi, Carla
Publisher: name: arXiv
Year: 2018
Subjects: subject: Discrete Mathematics (cs.DM)
subject: Computation and Language (cs.CL)
subject: Combinatorics (math.CO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: Let A be a finite or countable alphabet and let $θ$ be a literal (anti-)automorphism onto A * (by definition, such a correspondence is determinated by a permutation of the alphabet). This paper deals with sets which are invariant under $θ$ ($θ$-invariant for short) that is, languages L such that $θ$ (L) is a subset of L.We establish an extension of the famous defect theorem. With regards to the so-called notion of completeness, we provide a series of examples of finite complete $θ$-invariant codes. Moreover, we establish a formula which allows to embed any non-complete $θ$-invariant code into a complete one. As a consequence, in the family of the so-called thin $θ$--invariant codes, maximality and completeness are two equivalent notions.
description: arXiv admin note: text overlap with arXiv:1705.05564
The impact of correlated noise on galaxy shape estimation for weak lensing
Creators: name: Gurvich, Alex
name: Mandelbaum, Rachel
Publisher: name: Carnegie Mellon University
Year: 2016
Subjects: subject: 20399 Classical Physics not elsewhere classified
subject: FOS: Physical sciences

description: The robust estimation of the tiny distortions (shears) of galaxy shapes caused by weak gravitational lensing in the presence of much larger shape distortions due to the point-spread function (PSF) has been widely investigated. One major problem is that most galaxy shape measurement methods are subject to bias due to pixel noise in the images (“noise bias”). Noise bias is usually characterized using uncorrelated noise fields; however, real images typically have low-level noise correlations due to galaxies below the detection threshold, and some types of image processing can induce further noise correlations. We investigate the effective detection significance and its impact on noise bias in the presence of correlated noise for one method of galaxy shape estimation. For a fixed noise variance, the biases in galaxy shape estimates can differ substantially for uncorrelated versus correlated noise. However, use of an estimate of detection significance that accounts for the noise correlations can almost entirely remove these differences, leading to consistent values of noise bias as a function of detection significance for correlated and uncorrelated noise. We confirm the robustness of this finding to properties of the galaxy, the PSF, and the noise field, and quantify the impact of anisotropy in the noise correlations. Our results highlight the importance of understanding the pixel noise model and its impact on detection significances when correcting for noise bias on weak lensing
Phenomenology of IR-renormalons in inclusive processes
Creators: name: Maul, M.
name: Stein, E.
name: Schäfer, A.
name: Mankiewicz, L.
Publisher: name: arXiv
Year: 1996
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We have compared the existing experimental data on the leading power corrections to the structure functions $F_2(x,Q^2), F_3(x,Q^2)$, and $F_L(x,Q^2)$ with the IR-renormalon model predictions for higher-twist contributions. Our analysis shows that the model properly describes the x-dependence, but typically falls short by a factor 2 or 3 as far as the magnitude of higher twist corrections is concerned.
description: revised version, figures modified, conclusions partially changed
The GMRT Epoch of Reionization experiment: a new upper limit on the neutral hydrogen power spectrum at z≈ 8.6
Creators: name: Paciga, Gregory
name: Tzu-Ching  Chang
name: Gupta, Yashwant
name: Rajaram  Nityanada
name: Odegova, Julie
name: Ue-Li  Pen
name: Peterson, Jeffrey
name: Jayanta  Roy
name: Sigurdson, Kris
Publisher: name: Carnegie Mellon University
Year: 2011
Subjects: subject: 20399 Classical Physics not elsewhere classified
subject: FOS: Physical sciences

description: We present a new upper limit to the 21-cm power spectrum during the Epoch of Reionization (EoR) which constrains reionization models with an unheated IGM. The GMRT-EoR experiment is an ongoing effort to make a statistical detection of the power spectrum of 21-cm neutral hydrogen emission at redshift z∼ 9. Data from this redshift constrain models of the EoR, the end of the Dark Ages arising from the formation of the first bright UV sources, probably stars or mini-quasars. We present results from approximately 50 h of observations with the Giant Metrewave Radio Telescope in India from 2007 December. We describe radio-frequency interference (RFI) localization schemes which allow bright sources on the ground to be identified and physically removed in addition to automated flagging. Singular-value decomposition is used to remove the remaining broad-band RFI by identifying ground sources with large eigenvalues. Foregrounds are modelled using a piecewise linear filter and the power spectrum is measured using cross-correlations of foreground-subtracted images.
Single-electron charging and detection in a laterally-coupled quantum dot circuit in the few-electron regime
Creators: name: Zhang, L. -X.
name: Matagne, P.
name: Leburton, J. P.
name: Hanson, R.
name: Kouwenhoven, L. P.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We provide a physical analysis of the charging and detection of the first few electrons in a laterally-coupled GaAs/AlGaAs quantum dot (LCQD) circuit with integrated quantum point contact (QPC) read-out. Our analysis is based on the numerical solution of the Kohn-Sham equation incorporated into a three-dimensional self-consistent scheme for simulating the quantum device. Electronic states and eigenenergy spectra reflecting the particular LCQD confinement shape are obtained as a function of external gate voltages. We also derive the stability diagram for the first few electrons in the device, and obtain excellent agreement with experimental data.
description: 8 figures, submitted to Physical Review B
U-HARWARD: a THT Project Aiming at Ultra High Aspect Ratio Wings Advanced Research and Designs
Creators: name: Ricci, Sergio
Publisher: name: Zenodo
Year: 2021
Subjects: High aspect ratio wing,
Multidisciplinary design optimization,
Aeroelastic testing

description: To facilitate the development of Ultra-High aspect ratio wings for medium-large transport aircraft by the use of innovative aerodynamic and aeroelastic designs in a multi-fidelity multi-disciplinary optimal design approach
Explanation of the intriguing quantum phenomenon of the off-resonant cavity mode emission
Creators: name: Echeverri-Arteaga, Santiago
name: Vinck-Posada, Herbert
name: Gómez, Edgar A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We theoretically investigate the unexpected occurrence of an extra emission peak that has been experimentally observed in off-resonant studies of cavity QED systems. Our results within the Markovian master equation approach successfully explain why the central peak arises, and how it reveals that the system is suffering a dynamical phase transition induced by the phonon-mediated coupling. Our findings are in perfect agreement with previous reported experimental results and for the first time the fundamental physics behind this quantum phenomenon is understood.
Perspectives of $e^+e^-$ production in pp, pd and p Be reactions at SIS energies
Creators: name: Bratkovskaya, E. L.
name: Cassing, W.
name: Mosel, U.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study dilepton production from pp, pd and p Be collisions from 1 - 5 GeV including the $π^0$, $η$, $ω$ and $Δ$ Dalitz decays, direct decays of vector mesons ($ρ$, $ω$) as well as subthreshold $ρ$ production via baryonic resonances (e.g. $D_{13}(1520), P_{11}(1710)$). Our calculations compare rather well with the pp and pd data from the DLS Collaboration, however, overestimate slightly the 'old' p Be data from that group. Futhermore, detailed predictions for differential dilepton spectra at SIS energies are made with a high mass resolution that can be controlled experimentally by the HADES Collaboration in near future.
description: 27 pages, LaTeX, including 13 postscript figures, to be published in Nucl. Phys. A
title: ESLO1: enregistrements divers 292_C
Creators: name: Laboratoire Ligérien De Linguistique
name: Blanc, Michel
name: Biggs, Patricia
name: Baude, Olivier
name: Dugua, Céline
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2016
Subjects: subject: Français
subject: fra
subject: text_and_corpus_linguistics

description: Extrait du corpus d'Orléans, réalisé dans le cadre de l'Enquête SocioLinguistique à Orléans à la fin des années 1960.
description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
C32, A Young Star Cluster in IC 1613
Creators: name: Wyder, Ted K.
name: Hodge, Paul W.
name: Cole, Andrew
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The Local Group irregular galaxy IC 1613 has remained an enigma for many years because of its apparent lack of star clusters. We report the successful search for clusters among several of the candidate objects identified many years ago on photographic plates. We have used a single HST WFPC2 pointing and a series of images obtained with the WIYN telescope under exceptional seeing conditions, examining a total of 23 of the previously published candidates. All but six of these objects were found to be either asterisms or background galaxies. Five of the six remaining candidates possibly are small, sparse clusters and the sixth, C32, is an obvious cluster. It is a compact, young object, with an age of less than 10 million years and a total absolute magnitude of M_V = -5.78+/-0.16 within a radius of 13 pc.
description: 5 pages, 5 figures, to be published in the May 2000 issue of the PASP
The Gibbs “volume” entropy is incorrect
Creators: name: Swendsen, Robert
name: Wang, Jian-Sheng
Publisher: name: Carnegie Mellon University
Year: 2015
Subjects: subject: 20399 Classical Physics not elsewhere classified
subject: FOS: Physical sciences

description: We show that the expression for the equilibrium thermodynamic entropy contains an integral over a surface in phase space, and in so doing, we confirm that negative temperature is a valid thermodynamic concept. This demonstration disproves the claims of several recent papers that the Gibbs entropy, which contains an integral over a volume in phase space, is the correct definition and that thermodynamics cannot be extended to include negative temperatures. We further show that the Gibbs entropy fails to satisfy the postulates of thermodynamics and that its predictions for systems with nonmonotonic energy densities of states are incorrect.
Double-Spin Asymmetry of J/psi Production in Polarized pp Collisions at HERA-$\vec N$
Creators: name: Teryaev, Oleg
name: Tkabladze, Avto
Publisher: name: arXiv
Year: 1996
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculated the color-octet contribution to the double spin asymmetry of $J/ψ$ hadroproduction with nonzero transverse momenta at fixed target energies $\sqrt{s}\simeq40$ GeV. It is shown that the color-octet contribution is dominant in the asymmetries. The expected asymmetries and statistical errors in a future option of HERA with longitudinally polarized protons at HERA-$\vec N$ should allow one to distinguish between different parametrizations for the polarized gluon distribution in the proton.
description: 14 pages with 6 figures (epsfig), LaTeX; Some figures are changed and misprint is corrected
The formation of Milky Way–mass disk galaxies in the first 500 million years of a cold dark matter universe
Creators: name: Feng, Yu
name: Matteo, Tiziana Di
name: Croft, Rupert
name: Ananth  Tenneti
name: Bird, Simeon
name: Battaglia, Nicholas
name: Wilkins, Stephen
Publisher: name: Carnegie Mellon University
Year: 2015
Subjects: subject: 20399 Classical Physics not elsewhere classified
subject: FOS: Physical sciences

description: Whether or not among the myriad tiny protogalaxies there exists a population with similarities to present-day galaxies is an open question. We show, using BlueTides, the first hydrodynamic simulation large enough to resolve the relevant scales, that the first massive galaxies to form are predicted to have extensive rotationally supported disks. Although their morphology resembles in some ways Milky Way types seen at much lower redshifts, these high-redshift galaxies are smaller, denser, and richer in gas than their low-redshift counterparts. From a kinematic analysis of a statistical sample of 216 galaxies at redshift z = 8–10, we have found that disk galaxies make up 70% of the population of galaxies with stellar mass or greater. Cold dark matter cosmology therefore makes specific predictions for the population of large galaxies 500 million years after the Big Bang. We argue that wide-field satellite telescopes (e.g., WFIRST) will in the near future discover these first massive disk galaxies. The simplicity of their structure and formation history should make new tests of cosmology possible.
Quasiparticle scattering by quantum phase slips in one-dimensional superfluids
Creators: name: Khlebnikov, S.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Quantum phase slips (QPS) in narrow superfluid channels generate momentum by unwinding the supercurrent. In a uniform Bose gas, this momentum needs to be absorbed by quasiparticles (phonons). We show that this requirement results in an additional exponential suppression of the QPS rate (compared to the rate of QPS induced by a sharply localized perturbation). In BCS-paired fluids, momentum can be transferred to fermionic quasiparticles, and we find an interesting interplay between quasiparticle scattering on QPS and on disorder.
description: 4 pages, revtex, no figures; to be published in Phys. Rev. Letters
Orbital angular momentum of a $π$-pulse emission by dense relativistic cold electron beam
Creators: name: Arteaga, J. A.
name: Serbeto, A.
name: Mendonça, J. T.
name: Tsui, K. H.
name: Monteiro, L. F.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Using a quantum fluid model, a set of three paraxial coupled equations to describe the FEL instability is derived. These equations are solved numerically considering Laguerre-Gaussian modes as the initial conditions to study the transfer of orbital angular momentum (OAM) between them, which satisfies the total angular momentum conservation as matching condition. The amplification and compression of the output radiation is observed and using the separation of variables method, the set of coupled equations, which describes a $π$-pulse solution, is obtained in such a way that a transverse overlapping factor, R, governs the energy exchange efficiency of the process.
South Siberian material in Radloff’s dictionary
Creators: name: Stachowski, Kamil
Publisher: name: figshare
Year: 2021
Subjects: subject: 200499 Linguistics not elsewhere classified
subject: FOS: Languages and literature
subject: 200407 Lexicography

description: South Siberian material makes up about a quarter of Wilhelm Radloff’s Versuch eines Wörterbuches der Türk-Dialecte, making the dictionary by far the richest source for 19th century Siberian Turkic. The paper examines three aspects of this collection: its coverage, its phonetic accuracy, and the methodological choices made by Radloff, together with their implications for the usefulness of what is probably his most momentous work.Güney Sibirya materyali, Wilhelm Radloff’un Versuch eines Wörterbuches der Türk-Dialecte’sinin yaklaşık dörtte birini oluşturmakta ve bu da sözlüğü 19. yüzyıl Sibirya Türkçesi için açık ara en zengin kaynak hâline getirmektedir. Bu makalede söz konusu koleksiyon üç yönden incelenmektedir: kapsamı, fonetik doğruluğu ve Radloff tarafından yapılan metodolojik seçimler ile birlikte muhtemelen en önemli eserinin kullanışlılığına ilişkin çıkarımlar.
Additional file 6 of Analyses of energy metabolism and stress defence provide insights into Campylobacter concisus growth and pathogenicity
Creators: name: Yeow, Melissa
name: Liu, Fang
name: Ma, Rena
name: Williams, Timothy
name: Riordan, Stephen
name: Zhang, Li
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Molecular Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Developmental Biology
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Computational Biology

description: Additional file 6: Table S6. NCBI locus tags for genes involved in amino acid use.
Character-Based Handwritten Text Transcription with Attention Networks
Creators: name: Poulos, Jason
name: Valle, Rafael
Publisher: name: arXiv
Year: 2017
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Computation and Language (cs.CL)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: The paper approaches the task of handwritten text recognition (HTR) with attentional encoder-decoder networks trained on sequences of characters, rather than words. We experiment on lines of text from popular handwriting datasets and compare different activation functions for the attention mechanism used for aligning image pixels and target characters. We find that softmax attention focuses heavily on individual characters, while sigmoid attention focuses on multiple characters at each step of the decoding. When the sequence alignment is one-to-one, softmax attention is able to learn a more precise alignment at each step of the decoding, whereas the alignment generated by sigmoid attention is much less precise. When a linear function is used to obtain attention weights, the model predicts a character by looking at the entire sequence of characters and performs poorly because it lacks a precise alignment between the source and target. Future research may explore HTR in natural scene images, since the model is capable of transcribing handwritten text without the need for producing segmentations or bounding boxes of text in images.
The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III
Creators: name: Shadab  Alam
name: Croft, Rupert
name: Ho, Shirley Chan Wan
name: O'Connell, Ross
name: Osumi, Keisuke
name: Magana, Mariana Vargas
name: Sloan Digital Sky Survey
Publisher: name: Carnegie Mellon University
Year: 2015
Subjects: subject: 20399 Classical Physics not elsewhere classified
subject: FOS: Physical sciences

description: The third generation of the Sloan Digital Sky Survey (SDSS-III) took data from 2008 to 2014 using the original SDSS wide-field imager, the original and an upgraded multi-object fiber-fed optical spectrograph, a new near-infrared high-resolution spectrograph, and a novel optical interferometer. All of the data from SDSS-III are now made public. In particular, this paper describes Data Release 11 (DR11) including all data acquired through 2013 July, and Data Release 12 (DR12) adding data acquired through 2014 July (including all data included in previous data releases), marking the end of SDSS-III observing. Relative to our previous public release (DR10), DR12 adds one million new spectra of galaxies and quasars from the Baryon Oscillation Spectroscopic Survey (BOSS) over an additional 3000 deg2 of sky, more than triples the number of H-band spectra of stars as part of the Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE), and includes repeated accurate radial velocity measurements of 5500 stars from the Multi-object APO Radial Velocity Exoplanet Large-area Survey (MARVELS). The APOGEE outputs now include the measured abundances of 15 different elements for each star. In total, SDSS-III added 5200 deg2 of ugriz imaging; 155,520 spectra of 138,099 stars as part of the Sloan Exploration of Galactic Understanding and Evolution 2 (SEGUE-2) survey; 2,497,484 BOSS spectra of 1,372,737 galaxies, 294,512 quasars, and 247,216 stars over 9376 deg2; 618,080 APOGEE spectra of 156,593 stars; and 197,040 MARVELS spectra of 5513 stars. Since its first light in 1998, SDSS has imaged over 1/3 of the Celestial sphere in five bands and obtained over five million astronomical spectra.
Broadening of Cyclotron Resonance Conditions in the Relativistic Interaction of an Intense Laser with Overdense Plasmas
Creators: name: Sano, Takayoshi
name: Tanaka, Yuki
name: Iwata, Natsumi
name: Hata, Masayasu
name: Mima, Kunioki
name: Murakami, Masakatsu
name: Sentoku, Yasuhiko
Publisher: name: arXiv
Year: 2017
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The interaction of dense plasmas with an intense laser under a strong external magnetic field has been investigated. When the cyclotron frequency for the ambient magnetic field is higher than the laser frequency, the laser's electromagnetic field is converted to the whistler mode that propagates along the field line. Because of the nature of the whistler wave, the laser light penetrates into dense plasmas with no cutoff density, and produces superthermal electrons through cyclotron resonance. It is found that the cyclotron resonance absorption occurs effectively under the broadened conditions, or a wider range of the external field, which is caused by the presence of relativistic electrons accelerated by the laser field. The upper limit of the ambient field for the resonance increases in proportion to the square root of the relativistic laser intensity. The propagation of a large-amplitude whistler wave could raise the possibility for plasma heating and particle acceleration deep inside dense plasmas.
description: 8 pages, 8 figures, accepted for publication in PRE
Application of the density dependent hadron field theory to neutron star matter
Creators: name: Hofmann, F.
name: Keil, C. M.
name: Lenske, H.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The density dependent hadron field (DDRH) theory, previously applied to isospin nuclei and hypernuclei is used to describe $β$-stable matter and neutron stars under consideration of the complete baryon octet. The meson-hyperon vertices are derived from Dirac-Brueckner calculations of nuclear matter and extended to hyperons. We examine properties of density dependent interactions derived from the Bonn A and from the Groningen NN potential as well as phenomenological interactions. The consistent treatment of the density dependence introduces rearrangement terms in the expression for the baryon chemical potential. This leads to a more complex condition for the $β$-equilibrium compared to standard relativistic mean field (RMF) approaches. We find a strong dependence of the equation of state and the particle distribution on the choice of the vertex density dependence. Results for neutron star masses and radii are presented. We find a good agreement with other models for the maximum mass. Radii are smaller compared to RMF models and indicate a closer agreement with results of non-relativistic Brueckner calculations.
description: 28 pages, 11 figures
On the internal structure of the current sheet in the pulsar wind
Creators: name: Prokofev, V. V.
name: Arzamasskiy, L. I.
name: Beskin, V. S.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We investigate the internal structure of the current sheet in the pulsar wind within force-free and two-fluid MHD approximations. Within the force-free approximation we obtain general asymptotic solution of the Grad-Shafranov equation for quasi-spherical pulsar wind up to the second order in small parameter $\varepsilon = (Ωr/c)^{-1}$. The solution allows an arbitrary latitudinal structure of the radial magnetic field, including that obtained in the numerical simulations of oblique rotators. It is also shown that the shape of the current sheet does not depend on the latitudinal structure. For the internal region of the current sheet outside the fast magnetosonic surface where the force-free approximation is not valid we use two-fluid MHD approximation. Carrying out calculations in the comoving reference frame we succeed in determining intrinsic electric and magnetic fields of a sheet. It allows us to analyze time-dependent effects which were not investigated up to now. In particular, we estimate the efficiency of the particle acceleration inside the sheet. Finally, after investigating the motion of individual particles in the time-dependent current sheet, we find self-consistently the width of the sheet and its time evolution.
description: 12 pages, 7 figures, accepted by MNRAS