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Related papers: Ferromagnetic phase diagram of neutron matter

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Magnetic properties of quark matter are studied within the Landau Fermi-liquid theory, and magnetic phase diagram of QCD is presented in the density-temperature plane. The screening effect for gluon propagator is emphasized to see the…

High Energy Physics - Phenomenology · Physics 2009-10-12 T. Tatsumi

We use basic physics and simple mathematics accessible to advanced undergraduate students to estimate the main properties of neutron stars. We set the stage and introduce relevant concepts by discussing the properties of "everyday" matter…

Solar and Stellar Astrophysics · Physics 2016-08-17 Andreas Reisenegger , Felipe S. Zepeda

This work aims at studying how magnetic fields affect the observational properties and the long-term evolution of isolated neutron stars, which are the strongest magnets in the universe. The extreme physical conditions met inside these…

High Energy Astrophysical Phenomena · Physics 2013-10-07 Daniele Viganò

We investigate in this paper the structures of neutron stars under the strong magnetic field in the framework of $f(T)$ gravity where $T$ denotes the scalar torsion. The TOV equations in this theory of gravity have been considered and…

General Physics · Physics 2017-09-28 M. G. Ganiou , C. Aïnamon , M. J. S. Houndjo , J. Tossa

Neutron matter is an intriguing nuclear system with multiple connections to other areas of physics. Considerable progress has been made over the last two decades in exploring the properties of pure neutron fluids. Here we begin by reviewing…

Nuclear Theory · Physics 2015-10-27 Stefano Gandolfi , Alexandros Gezerlis , J. Carlson

In this lecture, we give a first introduction to neutron stars, based on fundamental physical principles. After outlining their amazing macroscopic properties, as obtained from observations, we infer the extreme conditions of matter in…

High Energy Astrophysical Phenomena · Physics 2010-01-11 Pierre M. Pizzochero

Thermal surface emissions have now been detected from more than a dozen isolated neutron stars, including radio pulsars, radio-quiet neutron stars and magnetars. These detections can potentially provide important information on the interior…

Astrophysics · Physics 2007-05-23 Dong Lai , W. C. G. Ho

A model of the generation of a magnetic field in a neutron star is developed, based on an instability of the magnetic field caused by the electroweak interaction between electrons and nucleons in nuclear matter. The rate of change of the…

High Energy Astrophysical Phenomena · Physics 2017-03-16 Maxim Dvornikov

We investigate the occurrence of a ferromagnetic phase transition in high density hadronic matter (e.g., in the interior of a neutron star). This could be induced by a four fermion interaction analogous to the one which is responsible for…

Nuclear Theory · Physics 2012-07-16 Henrik Bohr , Prafulla K. Panda , Constanca Providencia , Joao da Providencia

We have studied phase transition from hadron matter to quark matter in the presence of high magnetic fields incorporating the trapped electron neutrinos at finite temperatures. We have used the density dependent quark mass (DDQM) model for…

Astrophysics · Physics 2009-10-31 V. K. Gupta , Asha Gupta , S. Singh , J. D. Anand

I briefly review some aspects of the effect of magnetic fields in the high density regime relevant to neutron stars, focusing mainly on compact star structure and composition, superconductivity, combustion processes, and gamma ray bursts.

Astrophysics · Physics 2009-11-11 German Lugones

Strange quark matter could be found in the core of neutron stars or forming strange quark stars. As is well known, these astrophysical objects are endowed with strong magnetic fields which affect the microscopic properties of matter and…

Astrophysics · Physics 2008-12-18 R. Gonzalez Felipe , A. Perez Martinez , H. Perez Rojas , M. Orsaria

The phase transition between the nuclear matter and the quark matter is examined. The relativistic mean field theory(RMF) is consider with interacting nucleons and mesons using TM1 parameter set for the nuclear matter equations of state. It…

Nuclear Theory · Physics 2009-10-31 S. Acharya , L. Maharana , R. Mohanty , P. K. Panda

Neutron stars are one of the most exotic objects in the universe and a unique laboratory to study the nuclear matter above the nuclear saturation density. In this work, we study the equation of state of the nuclear matter within a…

Nuclear Theory · Physics 2012-09-26 L. L. Lopes , D. P. Menezes

We investigate in a relativistic Hartree theory the gross properties of cold symmetric nuclear matter and nuclear matter in beta equilibrium under the influence of strong magnetic fields. If the field strengths are above the critical values…

Astrophysics · Physics 2009-10-30 Somenath Chakrabarty , Debades Bandyopadhyay , Subrata Pal

We study the effects of strong magnetic fields on the neutron star structure. If the interior field of a star is on the same order of the surface field currently observed, the influences of the magnetic field on the star mass and radius are…

Astrophysics · Physics 2014-10-13 Guangjun Mao , Akira Iwamoto , Zhuxia Li

Recent observations of neutron star masses close to the maximum predicted by nucleonic equations of state begin to challenge our understanding of dense matter in neutron stars, and constrain the possible presence of quark matter in their…

Nuclear Theory · Physics 2008-11-26 Gordon Baym

In this work, we study the effects of different magnetic field configurations in neutron stars described by a many-body forces formalism (MBF model). The MBF model is a relativistic mean field formalism that takes into account many-body…

Nuclear Theory · Physics 2017-09-06 R. O. Gomes , B. Franzon , V. Dexheimer , S. Schramm , C. A. Z. Vasconcellos

Neutron stars are known to have strong magnetic fields reaching as high as $10^{15}$ Gauss, besides having strongly curved interior spacetime. So for computing an equation of state for neutron-star matter, the effect of magnetic field as…

General Relativity and Quantum Cosmology · Physics 2023-12-29 Golam Mortuza Hossain , Susobhan Mandal

The presence of quark matter in neutron stars may affect several neutron star observables and the neutrino signal in core-collapse supernovae. These observables are sensitive to the phase of quark matter that is present in compact objects.…

Nuclear Theory · Physics 2009-11-11 Andrew W. Steiner