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We investigate general aspects of the mass defects of strange stars in the context of the Field Correlator Method, without magnetic field. The main parameters of the model that enter the corresponding nonperturbative equation of state of…

High Energy Physics - Phenomenology · Physics 2023-05-17 F. I. M. Pereira

We calculate strange star properties, using large N_c approximation with built-in chiral symmetry restoration (CSM). We used a relativistic Hartree Fock mean field approximation method, using a modified Richardson potential with two scale…

Astrophysics · Physics 2009-11-11 Subharthi Ray , Manjari Bagchi , Jishnu Dey , Mira Dey

The possible existence of strange stars in the universe will help in the understanding of various properties of quantum chromodynamics, like asymptotic freedom and chiral symmetry restoration, which is otherwise very difficult to prove in…

Astrophysics · Physics 2007-05-23 Manjari Bagchi , Subharthi Ray , Mira Dey , Jishnu Dey

We investigate the possible existence of anomalous mass defects in the low mass region of stellar sequences of strange stars. We employ the nonperturbative equation of state derived in the framework of the Field Correlator Method to…

Nuclear Theory · Physics 2023-05-17 F. I. M Pereira

We have studied strange star properties both at zero temperature and at finite temperatures and searched signatures of strange stars in gamma-ray, x-ray and radio astronomy. We have a set of Equations of State (EoS) for strange quark matter…

Astrophysics · Physics 2009-06-23 Manjari Bagchi , Subharthi Ray , Jishnu Dey , Mira Dey

We construct and compare a variety of simple models for strange stars, namely, hypothetical self-bound objects made of a cold stable version of the quark-gluon plasma. Exact, quasi-exact and numerical models are examined to find the most…

High Energy Astrophysical Phenomena · Physics 2010-12-09 M. G. B. Avellar , J. E. Horvath

Strange quark matter with the density of ~ 5\times 10^{14} g cm^{-3} might exist up to the surface of a strange star. This differs qualitatively from the case of a neutron star and opens observational possibilities to distinguish strange…

Astrophysics · Physics 2007-05-23 Vladimir V. Usov

We study the structure of hybrid stars with the Field Correlator Method, extended to the zero temperature limit, for the quark phase. For the hadronic phase, we use the microscopic Brueckner-Hartree- Fock many-body theory. The comparison…

High Energy Physics - Phenomenology · Physics 2009-06-25 G. F. Burgio , M. Baldo , P. Castorina , S. Plumari , D. Zappala'

By using the recent nonperturbative equation of state of the quark gluon plasma derived in the formalism of the Field Correlator Method, we investigate the bulk properties of the strange quark matter in beta-equilibrium and with charge…

High Energy Physics - Phenomenology · Physics 2015-06-11 F. I. M. Pereira

In the present work we study the gravitational effects of condensed dark matter on strange stars. We consider self-interacting dark matter particles with properties consistent with current observational constraints, and dark matter inside…

General Relativity and Quantum Cosmology · Physics 2017-08-02 Grigoris Panotopoulos , Ilidio Lopes

We have considered a hot strange star matter, just after the collapse of a supernova, as a composition of strange, up and down quarks to calculate the bulk properties of this system at finite temperature with the density dependent bag…

Solar and Stellar Astrophysics · Physics 2015-05-27 G. H. Bordbar , A. Poostforush , A. Zamani

The yields of strange hadrons have been measured as a function of centrality in Au+Au and in $p+p$ collisions at $\sqrt{s_{NN}}=200$ GeV in STAR. The system size and energy dependence are studied and compared for $p+p$ and Au+Au collisions.…

Nuclear Experiment · Physics 2007-05-23 Sevil Salur

The cooling of a young bare strange star is studied numerically by solving the equations of energy conservation and heat transport for both normal and superconducting strange quark matter inside the star. We show that the thermal luminosity…

Astrophysics · Physics 2009-07-09 Dany Page , Vladimir V. Usov

We explore the relevance of confinement in quark matter models for the possible quark core of neutron stars. For the quark phase, we adopt the equation of state (EoS) derived with the Field Correlator Method, extended to the zero…

High Energy Physics - Phenomenology · Physics 2009-02-23 M. Baldo , G. F. Burgio , P. Castorina , S. Plumari , D. Zappala'

A quark model with running coupling and running strange quark mass, which is thermodynamically self-consistent at both high and lower densities, is presented and applied to study properties of strange quark matter and structure of compact…

High Energy Physics - Phenomenology · Physics 2015-12-29 J. F. Xu , G. X. Peng , F. Liu , D. F. Hou , L. W. Chen

The effects of temperature on strange stars are studied and it is found that the maximum mass of the star decreases with the increase of temperature since at high temperatures the equations of state become softer. Moreover, if the…

Astrophysics · Physics 2008-11-26 Manjari Bagchi , Rachid Ouyed , Jan Staff , Subharthi Ray , Jishnu Dey , Mira Dey

We compute the temperature profiles of accretion discs around rapidly rotating strange stars, using constant gravitational mass equilibrium sequences of these objects, considering the full effect of general relativity. Beyond a certain…

Astrophysics · Physics 2009-11-06 Sudip Bhattacharyya , Arun V. Thampan , Ignazio Bombaci

The surface electric characteristics of bare strange stars are investigated with the inclusion of boundary effects. The thickness of the electron layer where pairs can be spontaneously created is calculated as a function of the bag…

Astrophysics · Physics 2009-11-07 Jian Hu , R. X. Xu

In this paper, we present a new kind of stellar model using the Nariai IV metric. This model can be used to study the strange/quark stars(which is our present interest, though it can also be applicable to neutron stars). We present a…

General Relativity and Quantum Cosmology · Physics 2022-01-19 Sajahan Molla , Masum Murshid , Mehedi Kalam

We study the effect of a magnetic field on the interacting quark matter and apply to strange star. We considere the low temperature approximation to strange matter. We find that the interacting strange quark matter is more stable compare to…

Astrophysics · Physics 2008-02-03 Pradip K Sahu
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