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The random matrix ensembles (RME), especially Gaussian random matrix ensembles GRME and Ginibre random matrix ensembles, are applied to following quantum systems: nuclear systems, molecular systems, and two-dimensional electron systems…

统计力学 · 物理学 2007-05-23 Maciej M. Duras

Neutral Current Elastic (NCE) interactions in MiniBooNE are discussed. In the neutrino mode MiniBooNE reported: the flux averaged NCE differential cross section as a function of four-momentum transferred squared, an axial mass M_{A}…

高能物理 - 实验 · 物理学 2019-08-14 Ranjan Dharmapalan

We study the dissociation of heavy vector mesons in a thermal medium from the point of view of the configurational entropy. Bottomonium and charmonium vector mesons in a plasma are represented using a holographic AdS/QCD model. The…

高能物理 - 唯象学 · 物理学 2018-11-02 Nelson R. F. Braga , Luiz F. Ferreira , Roldao da Rocha

We explain the application of a recently developed analytic continuation method to extract the electromagnetic transition form factors for the nucleon resonances ($N^*$) within a dynamical coupled-channel model of meson-baryon…

核理论 · 物理学 2010-10-27 N. Suzuki , T. Sato , T. -S. H. Lee

Energy density functionals (EDFs) have been used extensively with great success to calculate properties of nuclei and to predict the equation of state (EOS) of dense nuclear matter. Besides non-relativistic EDFs, mostly of the Skyrme or…

核理论 · 物理学 2024-10-29 Stefan Typel , Shalom Shlomo

The so-called configurational entropy (CE) framework has proved to be an efficient instrument to study nonlinear scalar field models featuring solutions with spatially-localized energy, since its proposal by Gleiser and Stamapoulos.…

高能物理 - 理论 · 物理学 2017-07-18 W. T. Cruz , D. M. Dantas , R. A. C. Correa , C. A. S. Almeida

Families of $J^P=1/2+$ nucleons (N(939), N(1440), N(1710), N(1880), N(2100), N(2300)) and $J^P=3/2-$ nucleons (N(1520), N(1700), N(1875) and N(2120)) are scrutinized from the point of view of the configurational entropy (CE). The mass…

高能物理 - 理论 · 物理学 2020-05-04 Luiz F. Ferreira , Roldao da Rocha

The electromagnetic nucleon to Delta transition form factors are evaluated using two degenerate flavors of dynamical Wilson fermions and using dynamical sea staggered fermions with domain wall valence quarks. The two subdominant quadrupole…

高能物理 - 格点 · 物理学 2008-11-26 C. Alexandrou , G. Koutsou , H. Neff , J. W. Negele , W. Schroers , A. Tsapalis

Quantum information measures are used to study the quantum phase diagrams of the two-level Dicke model including the atomic dipole-dipole interaction, for a finite number of particles, with and without the rotating-wave approximation, which…

量子物理 · 物理学 2026-03-25 S. Cordero , E. Nahmad-Achar , O. Castaños , R. López-Peña

Dynamical aspects of information-theoretic and entropic measures of quantum systems are studied. First, we show that for the time-dependent harmonic oscillator, as well as for the charged particle in certain time-varying electromagnetic…

量子物理 · 物理学 2022-03-22 K. Andrzejewski

With the chiral susceptibility criterion we obtain the phase diagram of strong-interaction matter in terms of temperature and chemical potential in the framework of Dyson-Schwinger equations (DSEs) of QCD.After calculating the pressure and…

高能物理 - 唯象学 · 物理学 2016-11-30 Fei Gao , Yu-xin Liu

In this paper the nuclear configurational entropy of the energy--energy correlation function is scrutinized, in $e^+e^-$ collisions to hadrons in the back-to-back region, within the QCD perturbative theory. The critical points of the…

高能物理 - 唯象学 · 物理学 2019-05-22 G. Karapetyan

Phenomenological AdS/QCD models, like hard wall and soft wall, provide hadronic mass spectra in reasonable consistency with experimental and (or) lattice results. These simple models are inspired in the AdS/CFT correspondence and assume…

高能物理 - 理论 · 物理学 2016-11-01 Nelson R. F. Braga , M. A. Martin Contreras , Saulo Diles

We present recent lattice QCD results on the electroweak nucleon to $\Delta$ transition and $\Delta$ form factors using dynamical fermion gauge configurations with a lowest pion mass of about 300 MeV, with special emphasis in the…

高能物理 - 格点 · 物理学 2019-08-15 Constantia Alexandrou

We present a detailed analysis of nucleon electromagnetic and axial form factors in a holographic soft-wall model. This approach is based on an action which describes hadrons with broken conformal invariance and incorporates confinement…

高能物理 - 唯象学 · 物理学 2012-08-23 Thomas Gutsche , Valery E. Lyubovitskij , Ivan Schmidt , Alfredo Vega

Elastic electromagnetic form factors of nucleons are investigated both for the time-like and the space-like momentums under the condition that the QCD constraints are satisfied asymptotically. The unsubtracted dispersion relation with the…

高能物理 - 唯象学 · 物理学 2010-05-12 Susumu Furuichi , Hirohisa Ishikawa , Keiji Watanabe

The impact parameter characterizes the centrality in nucleus-nucleus collision geometry. The determination of impact parameters in real experiments is usually based on the reconstructed particle attributes or the derived event-level…

高能物理 - 实验 · 物理学 2024-03-28 Botan Wang , Yi Wang , Dong Han , Zhigang Xiao , Yapeng Zhang

We present a study of the nucleon electromagnetic form factors and of the Roper-nucleon transition at finite small temperature $T$, using an extended version of a soft-wall AdS/QCD approach developed by us previously. In the action we…

高能物理 - 唯象学 · 物理学 2020-02-04 Thomas Gutsche , Valery E. Lyubovitskij , Ivan Schmidt

We discuss the hierarchy of subphase transitions in first-order-like nucleation processes for an exemplified aggregation transition of heteropolymers. We perform an analysis of the microcanonical entropy, i.e., the density of states is…

软凝聚态物质 · 物理学 2015-05-28 Christoph Junghans , Wolfhard Janke , Michael Bachmann

Interpretation of current and future neutrino oscillation and electron scattering experiments requires knowledge of lepton-nucleon and lepton-nucleus interactions at the percent level. We study the exchange of photons between charged…

核理论 · 物理学 2022-10-19 Oleksandr Tomalak , Ivan Vitev