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Nuclear clusters or voids in the inner crust of neutron stars were predicted to have various shapes collectively nicknamed nuclear pasta. The recent review in Ref. \cite{Lopez1} by L\'opez, Dorso and Frank summarized their systematic…

Nuclear Theory · Physics 2021-01-21 Bao-An Li

More than twenty years ago, it was predicted that nuclei can adopt interesting shapes, such as rods or slabs, etc., in the cores of supernovae and the crusts of neutron stars. These non-spherical nuclei are referred to as nuclear "pasta".…

Soft Condensed Matter · Physics 2007-05-23 Gentaro Watanabe , Hidetaka Sonoda

In cores of supernovae and crusts of neutron stars, nuclei can adopt interesting shapes, such as rods or slabs, etc., which are referred to as nuclear "pasta." Recently, we have been studying the pasta phases focusing on their dynamical…

Nuclear Theory · Physics 2007-05-23 Gentaro Watanabe , Hidetaka Sonoda

Neutron Stars are natural laboratories where fundamental properties of matter under extreme conditions can be explored. Modern nuclear physics input as well as many-body theories are valuable tools which may allow us to improve our…

Solar and Stellar Astrophysics · Physics 2015-06-11 V. de la Mota , F. Sébille , Ph. Eudes

In the present study we investigate the static properties of nuclei in the inner crust of neutron stars. Using the Hartree-Fock method in coordinate space, together with the semiclassical approximation, we examine the patterns of phase…

Nuclear Theory · Physics 2007-05-23 Piotr Magierski , Aurel Bulgac , Paul-Henri Heenen

The interior of a neutron star is expected to exhibit different states of matter. In particular, complex non-spherical configurations known as `pasta' phases may exist at the highest densities in the inner crust, potentially having an…

Nuclear Theory · Physics 2021-10-28 H. Dinh Thi , T. Carreau , A. F. Fantina , F. Gulminelli

The elastic properties of neutron star crusts are relevant for a variety of currently observable or near-future electromagnetic and gravitational wave phenomena. These phenomena may depend on the elastic properties of nuclear pasta found in…

Nuclear Theory · Physics 2018-10-03 M. E. Caplan , A. S. Schneider , C. J. Horowitz

Structure of cold dense stellar matter at subnuclear densities is investigated with quantum molecular dynamics (QMD). We succeeded in showing that the phases with slab-like and rod-like nuclei etc. can be formed dynamically without any…

Nuclear Theory · Physics 2008-11-26 Gentaro Watanabe , Katsuhiko Sato , Kenji Yasuoka , Toshikazu Ebisuzaki

In this chapter we discuss some possible physical pictures that describe the constitution of the inner crust of compact objects. Different relativistic models both with constant couplings and density dependent ones are used. We calculate…

Exotic non-spherical configurations of nuclei, known as ``pasta" phases, are expected to be present at the bottom of the inner crust of a neutron star. We study the properties of these configurations in catalyzed neutron stars within a…

High Energy Astrophysical Phenomena · Physics 2022-06-17 H. Dinh Thi , A. F. Fantina , F. Gulminelli

Structure of cold and hot dense matter at subnuclear densities is investigated by quantum molecular dynamics (QMD) simulations. Obtained phase diagrams show that the density of the phase boundaries between the different nuclear structures…

Astrophysics · Physics 2007-05-23 Gentaro Watanabe , Katsuhiko Sato , Kenji Yasuoka , Toshikazu Ebisuzaki

In supernova cores and neutron star crusts, nuclei with exotic shapes such as rod-like and slab-like nuclei are expected to exist. These nuclei are collectively called nuclear "pasta". For the past decades, existence of the pasta phases in…

Nuclear Theory · Physics 2012-04-16 Gentaro Watanabe , Toshiki Maruyama

Neutron stars exhibit magnetic fields and densities far beyond those achievable in terrestrial laboratories, offering a natural probe of strongly interacting matter under extreme conditions. Using observationally anchored mass-radius…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-13 Abriana Lyda , Prajwal MohanMurthy

Neutron star crusts are studied using a classical molecular dynamics model developed for heavy ion reactions. After the model is shown to produce a plethora of the so-called "pasta" shapes, a series of techniques borrowed from nuclear…

Nuclear Theory · Physics 2015-06-11 C. O. Dorso , P. A. Giménez Molinelli , J. A. López

In cores of supernovae and crusts of neutron stars, nuclei can adopt interesting shapes, such as rods or slabs, etc., which are referred to as nuclear "pasta." In recent years, we have studied the pasta phases focusing on their dynamical…

Nuclear Theory · Physics 2008-11-26 Gentaro Watanabe

In this work, we focus on different length scales within the dynamics of nucleons in conditions according to the neutron star crust, with a semiclassical molecular dynamics model, studying isospin symmetric matter at subsaturation…

Nuclear Theory · Physics 2014-12-22 Pablo N. Alcain , Pedro A. Giménez Molinelli , Claudio O. Dorso

The study of neutron rich matter, present in neutron star, proto-neutron stars and core-collapse supernovae, can lead to further understanding of the behavior of nuclear matter in highly asymmetric nuclei. Heterogeneous structures are…

Nuclear Theory · Physics 2017-04-20 P. N. Alcain , C. O. Dorso

The nuclear pasta -- a novel state of matter having nucleons arranged in a variety of complex shapes -- is expected to be found in the crust of neutron stars and in core-collapse supernovae at subnuclear densities of about $10^{14}$…

Nuclear Theory · Physics 2016-08-16 C. J. Horowitz , M. A. Pérez-García , D. K. Berry , J. Piekarewicz

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

The physics of neutron star crusts is vast, involving many different research fields, from nuclear and condensed matter physics to general relativity. This review summarizes the progress, which has been achieved over the last few years, in…

Astrophysics · Physics 2015-05-13 N. Chamel , P. Haensel
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