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The effects of the symmetry energy softening of the relativistic mean field (RMF) models on the properties of matter with neutrino trapping are investigated. It is found that the effects are less significant than those in the case without…

核理论 · 物理学 2009-11-11 A. Sulaksono , T. Mart

In this work, we propose a meta-modelling technique to nuclear matter on the basis of a relativistic density functional with density-dependent couplings. Identical density dependence for the couplings both in the isoscalar and isovector…

核理论 · 物理学 2023-10-31 Prasanta Char , Chiranjib Mondal , Francesca Gulminelli , Micaela Oertel

Background: Nuclear pasta matter, emerging due to the competition between the long-range Coulomb force and the short-range strong force, is believed to be present in astrophysical scenarios, such as neutron stars and core-collapse…

核理论 · 物理学 2020-05-27 B. Schuetrumpf , G. Martínez-Pinedo , P. -G. Reinhard

In this work, we investigate how short-range correlations affect relativistic hadronic models at high densities, with direct consequences for the structure of neutron stars, both with and without dark matter content. Two versions of the…

核理论 · 物理学 2026-04-21 Odilon Lourenço , Everson H. Rodrigues , Carline Biesdorf , Mariana Dutra

The effects of mixedness and entanglement on the lower bound and tightness of the entropic uncertainty in the Heisenberg model with Dzyaloshinski-Moriya (DM) interaction have been investigated. It is found that the mixedness can reflect the…

量子物理 · 物理学 2017-02-22 Xiao Zheng , Guo-Feng Zhang

An extensive study of the effects of correlations on both charged and neutral current weak interaction rates in dense matter is performed. Both strong and electromagnetic correlations are considered.The propagation of particle-hole…

天体物理学 · 物理学 2011-05-05 Sanjay Reddy , Madappa Prakash , James M. Lattimer , Jose A. Pons

We investigate generalized interacting dark matter-dark energy scenarios with a time-dependent coupling parameter, allowing also for freedom in the neutrino sector. The models are tested in the phantom and quintessence regimes,…

宇宙学与河外天体物理 · 物理学 2020-07-29 Weiqiang Yang , Eleonora Di Valentino , Olga Mena , Supriya Pan

We discuss a hybrid model of the proton and neutron inelastic structure functions which incorporates both the partonic and the nucleon resonance structures and applicable in a wide region of the invariant mass $W$ of produced hadronic…

核理论 · 物理学 2019-10-02 S. A. Kulagin

We study the influence of the isovector-scalar meson on the spinodal instabilities and the distillation effect in asymmetric non-homogenous nuclear matter under strong magnetic fields, of the order of $10^{18}-10^{19}$ G. Relativistic…

核理论 · 物理学 2009-09-11 A. Rabhi , C. Providencia , J. Da Providencia

In this II, a probability to detect the neutrino produced in a high-energy pion decay is shown to receive the large finite-size correction. The neutrino interacts extremely weakly with matters and is described with a many-body wave function…

高能物理 - 唯象学 · 物理学 2012-09-26 Kenzo Ishikawa , Yutaka Tobita

Renormalization of the Coulomb interaction in layered metals results in a strongly anisotropic plasma mode with low frequencies for small components of wave vector in the in-plane direction. Interaction of electrons with this mode was found…

超导电性 · 物理学 2007-05-23 S. N. Artemenko , S. V. Remizov

Binary neutron star mergers and proto-neutron stars provide unique environments where dense matter is hot, lepton rich, and potentially undergoes a transition from hadronic to deconfined quark matter. We investigate the thermodynamics and…

核理论 · 物理学 2026-05-29 Andrea Sabatucci , Armen Sedrakian

The presence of massive neutrinos affects structure formation, leaving imprints on large-scale structure observables such as the weak lensing field. The common lensing analyses with two-point statistics are insensitive to the large amount…

宇宙学与河外天体物理 · 物理学 2019-06-12 Gabriela A. Marques , Jia Liu , José Manuel Zorrilla Matilla , Zoltán Haiman , Armando Bernui , Camila P. Novaes

Searches for neutrino magnetic moments/transitions in low energy neutrino scattering experiments are sensitive to effective couplings which are an intricate function of the Hamiltonian parameters. We study the parameter space dependence of…

高能物理 - 唯象学 · 物理学 2022-03-14 D. Aristizabal Sierra , O. G. Miranda , D. K. Papoulias , G. Sanchez Garcia

We study the influence of the temperature-dependent interaction between dark matter (DM) and neutrinos on the measurement of cosmological parameters. We pay attention to the neutrino mass effects, so that the derivation of Boltzmann…

宇宙学与河外天体物理 · 物理学 2026-02-23 Ren-Peng Zhou , Da Huang

We employ a microscopic approach that examines the impact of isospin dynamics on the process of low energy nuclear fusion along an isotope chain and dependence on deformation. Our method utilizes the density constrained time-dependent…

核理论 · 物理学 2023-10-13 Richard Gumbel , Christian Ross , A. S. Umar

Earth's matter affects the oscillation of atmospheric neutrinos and antineutrinos differently depending on the neutrino mass ordering (NMO). As more neutrinos than antineutrinos are expected to be detected in the IceCube detector, this…

高能物理 - 实验 · 物理学 2026-04-28 J. H. Peterson , M. Jacquart

We review the properties of neutron matter in the low-density regime. In particular, we revise its ground state energy and the superfluid neutron pairing gap, and analyze their evolution from the weak to the strong coupling regime. The…

核理论 · 物理学 2021-04-30 Isaac Vidana

The presence of Dark matter (DM) within a neutron star (NS) can substantially influence the macroscopic properties. It is commonly assumed that the pressure inside an NS is isotropic, but in reality, pressure is locally anisotropic. This…

宇宙学与河外天体物理 · 物理学 2025-12-12 Premachand Mahapatra , Chiranjeeb Singha , Ayush Hazarika , Prasanta Kumar Das

We investigate the impact of dark matter on neutron star properties using the relativistic mean-field theory. By incorporating the dark matter model, we explore how dark matter parameters, specifically dark matter mass and Fermi momentum,…

高能天体物理现象 · 物理学 2024-08-29 Ankit Kumar , Hajime Sotani
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