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We generalize the problem of strongly interacting neutron matter by adding a periodic external modulation. This allows us to study from first principles a neutron system that is extended and inhomogeneous, with connections to the physics of…

Nuclear Theory · Physics 2016-04-13 Mateusz Buraczynski , Alexandros Gezerlis

A fully self-consistent model of the neutron star inner crust based upon models of the nucleonic equation of state at zero temperature is constructed. The results nearly match those of previous calculations of the inner crust given the same…

Nuclear Theory · Physics 2008-11-26 Andrew W. Steiner

We study the properties of hot and dense neutron star matter under the presence of strong magnetic fields using two Skyrme interactions, namely the LNS and the BSk21 ones. Asking for $\beta$--stability and charge neutrality, we construct…

Nuclear Theory · Physics 2023-08-02 Omar G. Benvenuto , Eduardo Bauer , Isaac Vidaña

The modern nucleon-nucleon interaction of Myers and Swiatecki, adjusted to the properties of finite nuclei, the parameters of the mass formula, and the behavior of the optical potential is used to calculate the properties of…

Nuclear Theory · Physics 2009-10-30 Klaus Strobel , Fridolin Weber , Manfred K. Weigel , Christoph Schaab

The analytic solution is obtained describing kinetic equilibrium of the $\beta$-processes in the nucleonic plasma with relativistic pairs. The nucleons $(n,p)$ are supposed to be non-relativistic and non-degenerate, while the electrons and…

High Energy Astrophysical Phenomena · Physics 2015-06-04 G. S. Bisnovatyi-Kogan

We find that an equation of state for hot hadronic matter consisting of all baryons having $M < 2$ GeV and all mesons having $M < 1.5$ GeV, along with Hagedorn resonances in thermal and chemical equilibrium, matches rather smoothly with…

Nuclear Theory · Physics 2011-11-10 Somnath De , Dinesh K. Srivastava , Rupa Chatterjee

We calculate the equation of state of asymmetric nuclear matter at finite temperature based on chiral effective field theory interactions to next-to-next-to-next-to-leading order. Our results assess the theoretical uncertainties from the…

Nuclear Theory · Physics 2023-02-21 J. Keller , K. Hebeler , A. Schwenk

We study the charged and neutral current weak interaction rates relevant for the determination of neutrino opacities in dense matter found in supernovae and neutron stars. We establish an efficient formalism for calculating differential…

Astrophysics · Physics 2010-04-06 Sanjay Reddy , Madappa Prakash , James M Lattimer

In this study, my main goal is to examine the nuclear matter properties across a wide range of conditions, such as temperature, density, asymmetry, pressure, and magnetic field. Understanding the effect of these factors on nuclear matter is…

Nuclear Theory · Physics 2023-09-21 Vishal Parmar

The equation of state of symmetric nuclear matter with the inclusion of non-strange dibaryons is studied. We pay special attention to the existence of a dibaryon condensate at zero temperature. These calculations have been performed in an…

Nuclear Theory · Physics 2014-11-18 R. Aguirre , M. Schvellinger

In this study, we investigate the impact of effective nucleon mass and the existence of the dineutron $(\mathrm{^{2}n})$ and the tetraneutron $(\mathrm{^{4}n})$ on the thermodynamic properties and nuclear compositions by constructing new…

Nuclear Theory · Physics 2026-04-14 Tatsuya Matsuki , Shun Furusawa , Kohsuke Sumiyoshi , Hong Shen , Katsuhiko Suzuki

Leptogenesis is an attractive scenario in which neutrino masses and baryon asymmetry of the Universe are explained together under a minimal set of assumptions. After formulating the problem of initial conditions and introducing the strong…

High Energy Physics - Phenomenology · Physics 2014-10-22 Luca Marzola

We develop a variational theory of hot nuclear matter in neutron stars and supernovae. It can also be used to study charged, hot nuclear matter which may be produced in heavy-ion collisions. This theory is a generalization of the…

Nuclear Theory · Physics 2008-11-26 Abhishek Mukherjee , V. R. Pandharipande

We point out similarity of thermodynamic conditions reached in intermediate energy nuclear collisions and in supernova explosions. We show that a statistical approach, which has been previously applied for nuclear multifragmentation…

Nuclear Theory · Physics 2009-11-11 A. S. Botvina , I. N. Mishustin

We show that the commonly used criterion for beta equilibrium in neutrino-transparent dense nuclear matter becomes invalid as temperatures rise above 1 MeV. Such temperatures are attained in neutron star mergers. By numerically computing…

Nuclear Theory · Physics 2019-01-02 Mark G. Alford , Steven P. Harris

Based on the gravitational collapse time-scale is larger than the weak interaction time-scale at core densities $\rho > 10^{11} {gr}/ {cm}^{3}$, we approximately use the $\beta$-equilibrium condition and particle number conservations to…

High Energy Astrophysical Phenomena · Physics 2012-06-05 R. Mohammadi , Remo Ruffini , She-Sheng Xue

The accurate description of nuclear $\beta^{-}$-decay has far-reaching consequences for applications spanning nuclear reactors to the creation of heavy elements in astrophysical environments. We present the nuclear particle spectra…

Nuclear Theory · Physics 2025-07-08 M. R. Mumpower , T. Kawano , O. Korobkin , G. W. Misch , T. M. Sprouse

The liquid-gas phase transition in hot neutron-rich nuclear matter is investigated within a self-consistent thermal model using different interactions with or without isospin and/or momentum dependence. The boundary of the phase-coexistence…

Nuclear Theory · Physics 2008-12-25 Jun Xu , Lie-Wen Chen , Bao-An Li , Hong-Ru Ma

High density behaviour of nuclear symmetry energy is studied on the basis of a stiffest density dependence of asymmetric contribution to energy per nucleon in charge neutral $n+p+e+\mu$ matter under beta equilibrium. The density dependence…

General Physics · Physics 2016-11-09 B Behera , T R Routray , S K Tripathy

A method for integrating the chemical equations associated with nuclear combustion at high temperature is presented and extensively checked. Following the idea of E. M\"uller, the feedback between nuclear rates and temperature was taken…

Astrophysics · Physics 2007-05-23 Ruben M. Cabezon Gomez , Domingo Garcia-Senz , Eduardo Bravo
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