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The electromagnetic form factors of the proton and neutron encode information on the spatial structure of their charge and magnetization distributions. While measurements of the proton are relatively straightforward, the lack of a free…

Effects of the in-medium modifications of nucleon form factors on neutrino interaction in dense matter are presented by considering both the weak and electromagnetic interactions of neutrinos with the constituents of the matter. A…

核理论 · 物理学 2020-01-08 Parada T. P. Hutauruk , Yongseok Oh , K. Tsushima

We present the first ab initio lattice calculations of spin and density correlations in hot neutron matter using high-fidelity interactions at next-to-next-to-next-to-leading order (N3LO) in chiral effective field theory. These correlations…

We discuss the high-density nuclear equation of state within the Brueckner-Hartree-Fock approach. Particular attention is paid to the effects of nucleonic three-body forces, the presence of hyperons, and the joining with an eventual quark…

天体物理学 · 物理学 2007-05-23 M. Baldo , G. F. Burgio , H. -J. Schulze

We present results from Brueckner-Hartree-Fock calculations for $\beta$-stable neutron star matter with nucleonic and hyperonic degrees of freedom employing the most recent parametrizations of the baryon-baryon interaction of the Nijmegen…

核理论 · 物理学 2009-11-06 I. Vidaña , A. Polls , A. Ramos , L. Engvik , M. Hjorth-Jensen

We study the properties of neutron stars adopting relativistic equations of state of neutron star matter, calculated in the framework of the relativistic Brueckner-Hartree-Fock approximation for electrically charge neutral neutron star…

核理论 · 物理学 2009-10-30 H. Huber , F. Weber , M. K. Weigel , Ch. Schaab

We study the spin-1 pyrochlore material NaCaNi$_2$F$_7$ with a combination of molecular dynamics simulations, stochastic dynamical theory and linear spin wave theory. The dynamical structure factor from inelastic neutron scattering is well…

强关联电子 · 物理学 2019-05-01 Shu Zhang , Hitesh J. Changlani , Kemp W. Plumb , Oleg Tchernyshyov , Roderich Moessner

Proton and neutron densities have been obtained for the even-even isotopes of Sn from $^{100}$Sn to $^{176}$Sn using a Hartree-Fock-Bogoliubov model with a Skyrme interaction. The matter densities so defined have been used with realistic…

核理论 · 物理学 2009-11-10 K. Amos , S. Karataglidis , J. Dobaczewski

The Cosmic Neutrino Background (C$\nu$B) constitutes the last observable prediction of the standard cosmological model, which has yet to be detected directly. In this work, we show how the coherent scattering of neutrinos off dense neutron…

高能物理 - 唯象学 · 物理学 2025-04-08 Garv Chauhan

The dynamic structure factor of superfluid $^4$He has been investigated at very low temperatures by inelastic neutron scattering. The measurements combine different incoming energies resulting in an unprecedentedly large dynamic range with…

其他凝聚态物理 · 物理学 2018-06-06 K. Beauvois , J. Dawidowski , B. Fåk , H. Godfrin , E. Krotscheck , J. Ollivier , A. Sultan

Mutual entrainment effects in hot neutron-proton superfluid mixtures are studied in the framework of the self-consistent nuclear energy-density functional theory. The local mass currents in homogeneous or inhomogeneous nuclear systems,…

核理论 · 物理学 2021-02-24 Valentin Allard , Nicolas Chamel

We develop a formalism to analytically describe the clustering of matter in the mildly non-linear regime in the presence of massive neutrinos. Neutrinos, whose free streaming wavenumber ($k_{\rm fs}$) is typically longer than the non-linear…

宇宙学与河外天体物理 · 物理学 2017-07-24 Leonardo Senatore , Matias Zaldarriaga

We construct an equation of state describing cold and dense matter in the core of neutron stars which includes an admixture of fermionic dark matter and incorporates nucleon effective masses derived from the relativistic…

高能物理 - 唯象学 · 物理学 2025-11-25 Arijit Das , Prashanth Jaikumar , Adarsh Karekkat , Tanumoy Mandal

The inner crust of neutron stars is supposed to be inhomogeneous and composed of dense structures (clusters) that are immersed in a dilute gas of unbound neutrons. Here we consider spherical clusters forming a BCC crystal and cylindrical…

核理论 · 物理学 2016-12-09 Noël Martin , Michael Urban

Hot matter with nucleons can be produced in the inner region of the neutrino-dominated accretion flow in gamma-ray bursts or during the proto-neutron star birth in successful supernova. The composition and equation of state of the matter…

太阳与恒星天体物理 · 物理学 2015-06-15 A. Li , T. Liu

Background: Inelastic neutrino-nucleus scattering through the weak neutral-current plays important role in stellar environment where transport of neutrinos determine the rate of cooling. Since there are no direct experimental data on…

核理论 · 物理学 2015-06-04 H. Djapo , N. Paar

Static and dynamic properties of low density outer envelopes of neutron stars are calculated within the nonlinear magnetic Thomas-Fermi model, assuming degenerate electrons. A novel domain decomposition enables proper description of lattice…

太阳与恒星天体物理 · 物理学 2015-02-25 Tyler A. Engstrom , Vincent H. Crespi , Benjamin J. Owen , James Brannick , Xiaozhe Hu

We review selected aspects of the interior physics of compact stars, focusing on the microscopic and macroscopic manifestations of spin, magnetic fields, and nucleonic superfluidity and superconductivity. Spin statistics of fermions allows…

高能天体物理现象 · 物理学 2026-04-06 Armen Sedrakian , Peter B. Rau

We outline a strategy for quantitatively evaluating the conformational characteristics of self-assembled structures using the techniques of contrast variation small angle neutron scattering. By means of basis function expansion, a case…

软凝聚态物质 · 物理学 2021-10-27 Albert Y. Ho , Guan-Rong Huang , Wei-Ren Chen

Properties of nuclear matter are investigated in the framework of relativistic Brueckner-Hartree-Fock model with the latest high-precision charge-dependent Bonn (pvCD-Bonn) potentials, where the coupling between pion and nucleon is adopted…

核理论 · 物理学 2020-10-28 Chencan Wang , Jinniu Hu , Ying Zhang , Hong Shen