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We demonstrate light-induced localization of Coulomb-interacting particles in multi-dimensional structures. Subwavelength localization of ions within small multi-dimensional Coulomb crystals by an intracavity optical standing wave field is…

Quantum Physics · Physics 2017-03-21 Thomas Lauprêtre , Rasmus B. Linnet , Ian D. Leroux , Aurélien Dantan , Michael Drewsen

In our calculation of neutron star crust heating we include several key new model features. In earlier work electron capture (EC) only allowed neutron emission from the daughter ground-state; here we calculate, in a deformed QRPA model, EC…

Astrophysics · Physics 2008-12-18 Sanjib S. Gupta , Toshihiko Kawano , Peter Möller

We study the properties and stability of nuclei in the inner crust of neutron stars in the presence of strong magnetic fields $\sim 10^{17}$ G. Nuclei coexist with a neutron gas and reside in a uniform gas of electrons in the inner crust.…

High Energy Astrophysical Phenomena · Physics 2015-05-20 Rana Nandi , Debades Bandyopadhyay , Igor N. Mishustin , Walter Greiner

The outer crust of a cold nonaccreting neutron star has been generally assumed to be stratified into different layers, each of which consists of a pure body-centered cubic ionic crystal in a charge compensating background of highly…

Nuclear Theory · Physics 2021-03-11 Nicolas Chamel , Anthea Fantina

In the context of future electron-ion collision experiments, particularly the Electron-Ion Collider (EIC) and the Electron-Ion Collider in China (EicC), investigating exclusive photoproduction processes is of paramount importance. These…

High Energy Physics - Phenomenology · Physics 2024-10-10 Xin Wu , Xinbai Li , Zebo Tang , Kaiyang Wang , Wangmei Zha

We study a model of the neutron star in $\kappa$-deformed space-time in the presence of the cosmological constant ($\Lambda$). The Einstein tensor and the energy-momentum tensor are generalized to $\kappa$-deformed space-time and we…

General Relativity and Quantum Cosmology · Physics 2025-02-25 Bhagya. R , Diganta Parai , Harsha Sreekumar , Suman Kumar Panja

The goal of this paper is to investigate properties of clusterized nuclear matter which is believed to be present in crusts of neutron stars at subnuclear densities. It is assumed that the whole system can be represented by the set of…

Nuclear Theory · Physics 2018-04-04 Claudio Ebel , Thomas J. Bürvenich , Igor Mishustin

We study the ground state properties of classical Coulomb charges interacting with a 1/r potential moving on a plane but confined either by a circular hard wall boundary or by a harmonic potential. The charge density in the continuum limit…

Materials Science · Physics 2009-11-13 A. Mughal , M. A. Moore

Fully self-consistent band calculation has been performed for slab phase in neutron-star inner crust, using the BCPM energy density functional. Optimized slab structure is calculated at given baryon density either with the fixed proton…

Nuclear Theory · Physics 2019-10-01 Yu Kashiwaba , Takashi Nakatsukasa

We study the gravitational collapse of a magnetized neutron star using a novel numerical approach able to capture both the dynamics of the star and the behavior of the surrounding plasma. In this approach, a fully general relativistic…

High Energy Astrophysical Phenomena · Physics 2013-05-30 Luis Lehner , Carlos Palenzuela , Steven L. Liebling , Christopher Thompson , Chad Hanna

A quantitative description of the configurational part of the total energy of metallic alloys with substantial atomic size difference cannot be achieved in the atomic sphere approximation: It needs to be corrected at least for the multipole…

Materials Science · Physics 2009-11-07 A. V. Ruban , S. I. Simak , P. A. Korzhavyi , H. L. Skriver

The stability of the $\beta$-equilibrated dense nuclear matter is analyzed with respect to the thermodynamic stability conditions. Based on the density dependent M3Y effective nucleon-nucleon interaction, the effects of the nuclear…

Nuclear Theory · Physics 2014-09-05 Debasis Atta , D. N. Basu

The transition density $\rho_{t}$ and pressure $P_{t}$ at the inner edge separating the liquid core from the solid crust of neutron stars are systematically studied using a modified Gogny (MDI) and 47 popular Skyrme interactions within well…

Solar and Stellar Astrophysics · Physics 2010-01-15 Jun Xu , Lie-Wen Chen , Bao-An Li , Hong-Ru Ma

Transport properties of high-energy-density plasmas are influenced by the ion collision rate. Traditionally, this rate involves the Coulomb logarithm, $\ln\Lambda$. Typical values of $\ln\Lambda$ are $\approx 10~\mbox{to}~20$ in kinetic…

We make use of isospin constraints to study the parametric coupling model and the properties of asymmetric nuclear matter. Besides the usual constraints for nuclear matter - effective nucleon mass and the incompressibility at saturation…

The suppression of the neutron superfluid fraction in the inner crust of a cold neutron star is mitigated by the quantum zero-point motion of ions about their equilibrium position. In turn, the crustal dynamics is altered by the presence of…

High Energy Astrophysical Phenomena · Physics 2026-05-21 Nicolas Chamel

We study properties of the proton component of neutron star matter for a number of realistic nuclear models. Protons which form a few percent admixture tend to be localized in potential wells corresponding to neutron matter inhomogeneities…

Astrophysics · Physics 2007-05-23 M. Kutschera , S. Stachniewicz , A. Szmaglinski , W. Wojcik

Recently, crust cooling times have been measured for neutron stars after extended outbursts. These observations are very sensitive to the thermal conductivity $\kappa$ of the crust and strongly suggest that $\kappa$ is large. We perform…

Astrophysics · Physics 2009-11-13 C. J. Horowitz , O. L. Caballero , D. K. Berry

We calculate crustal properties of neutron stars, namely, mass ($M_{\rm crust}$), radius ($R_{\rm crust}$) and fraction of moment of inertia ($\Delta I/I$) from parametrizations of hadronic relativistic mean-field (RMF) model consistent…

Nuclear Theory · Physics 2021-10-05 M. Dutra , C. H. Lenzi , W. de Paula , O. Lourenço

We develop a projection imaging technique to study ultracold plasma dynamics. We image the charged particle spatial distributions by extraction with a high-voltage pulse onto a position-sensitive detector. Measuring the 2D width of the ion…

Plasma Physics · Physics 2009-11-13 X. L. Zhang , R. S. Fletcher , S. L. Rolston