English
Related papers

Related papers: Kaon Condensation in Neutron Stars

200 papers

Superfluidity of nuclear matter relevant for neutron star physics is reviewed.

Astrophysics · Physics 2009-11-06 U. Lombardo , H. -J. Schulze

We consider the thermodynamics of the matter made up of equal number of neutrons and protons and of scalar dibaryons. They interact via the exchange of scalar and vector mesons. The interaction is taken into account in the mean field…

Nuclear Theory · Physics 2008-02-03 Amand Faessler , M. I. Krivoruchenko , B. V. Martemyanov

The spin-down power of an isolated neutron star can drive its central density increase and overall structural changes, and trigger a quark-hadron phase transition. A series of observational signatures may be seen as a result of the phase…

Astrophysics · Physics 2017-08-23 Feng Ma

In this work we review the role of hyperons on the properties of neutron and proto-neutron stars. In particular, we revise the so-called "hyperon puzzle", go over some of the solutions proposed to tackle it, and discuss the implications…

Nuclear Theory · Physics 2016-03-23 Debarati Chatterjee , Isaac Vidana

As the densities in the interior of neutron stars exceed those of terrestrial nuclear experiments, they provide a scope for studying the nature of dense matter under extreme conditions. The composition of the inner core of neutron stars is…

High Energy Astrophysical Phenomena · Physics 2021-04-07 Bikram Keshari Pradhan , Debarati Chatterjee

A simple description of superfluid hydrodynamics in the inner crust of a neutron star is given. Particular attention is paid to the effect of the lattice of nuclei on the properties of the superfluid neutrons, and the effects of…

Solar and Stellar Astrophysics · Physics 2015-05-19 C. J. Pethick , N. Chamel , S. Reddy

We review recent work on various topics related to the modification of kaon properties in nuclei. After a brief exposition of the kaon-nucleon and kaon-nucleus interaction, results from the application to kaonic atoms, renormalization of…

Nuclear Theory · Physics 2010-11-15 E. Oset , S. Hirenzaki , Y. Okumura , A. Ramos , H. Toki , M. J. Vicente Vacas

A short introduction is given to astrophysics of neutron stars and to physics of dense matter in neutron stars. Observed properties of astrophysical objects containing neutron stars are discussed. Current scenarios regarding formation and…

Astrophysics · Physics 2007-05-23 Marek Kutschera

We discuss $\beta$-equilibrated and charge neutral matter involving hyperons and $\bar K$ condensates within relativistic models. It is observed that populations of baryons are strongly affected by the presence of antikaon condensates.…

Nuclear Theory · Physics 2009-09-29 Debades Bandyopadhyay

The presence of exotic hadrons, such as hyperons and $\Delta$ isobars, in the dense nuclear matter in their cores has been shown to produce important changes in the properties of neutron stars. Within the quark-meson coupling model, we show…

Nuclear Theory · Physics 2020-02-05 T. F. Motta , A. W. Thomas , P. A. M. Guichon

Understanding signals from neutron stars requires knowledge about the transport inside the star. We review the transport properties and the underlying reaction rates of dense hadronic and quark matter in the crust and the core of neutron…

High Energy Astrophysical Phenomena · Physics 2019-03-06 Andreas Schmitt , Peter Shternin

In this proceedings contribution we briefly discuss about the consequences of the presence of Majorana dark matter in a dense neutron star environment focusing on a particularly interesting possible indirect effect, namely that of bubble…

High Energy Astrophysical Phenomena · Physics 2015-04-14 M. A. Perez-Garcia

Understanding the equation of state of dense nuclear matter is a fundamental challenge for nuclear physics. It is especially timely and interesting challenge as we have reached a period where neutron stars, which contain the most dense…

Nuclear Theory · Physics 2022-01-28 Theo F. Motta , Anthony W. Thomas

In this chapter, we provide an overview of the physics of colliding black holes and neutron stars and of the impact of neutrinos on these systems. Observations of colliding neutron stars play an important role in nuclear astrophysics today.…

High Energy Astrophysical Phenomena · Physics 2026-03-03 Francois Foucart

We investigate s-wave kaon condensation in dense matter and neutron stars within the updated Chiral Mean Field model with an improved meson description (mCMF), which incorporates dynamically generated in-medium meson masses arising from…

We discuss the impact of strange hadrons, in particular hyperons, on the gross features of compact stars and on core-collapse supernovae. Hyperons are likely to be the first exotic species which appears around twice normal nuclear matter…

Nuclear Theory · Physics 2015-05-18 J. Schaffner-Bielich

The deconfinement phase transition which happens in the interior of neutron stars are investigated. Coupled with the spin evolution of the stars, the effect of entropy production and deconfinement heat generation during the deconfinement…

High Energy Astrophysical Phenomena · Physics 2016-11-25 Xia Zhou , Xiao-Ping Zheng

The generalized dynamics describing the propagation of neutral kaons in randomly fluctuating media is derived and analyzed. It takes into account possible matter-induced effects leading to loss of phase coherence and dissipation. The study…

High Energy Physics - Phenomenology · Physics 2009-11-10 F. Benatti , R. Floreanini , R. Romano

The cooling of a compact star depends very sensitively on the state of dense matter at supranuclear densities, which essentially controls the neutrino emission, as well as on the structure of the stellar outer layers which control the…

Astrophysics · Physics 2009-11-13 Dany Page , Ulrich Geppert , Fridolin Weber

In this work we investigate the possible condensation of tetraneutron resonant states in the lower density neutron rich gas regions inside Neutron Stars (NSs). Using a relativistic density functional approach we characterize the system…

Nuclear Theory · Physics 2019-11-12 O. Ivanytskyi , M. Ángeles Pérez-García , C. Albertus