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We study the magnetized strangelets in the baryon density-dependent quark mass model, including the effects of both confinement and lead-order perturbation interactions. The properties of magnetized strangelets are investigated under the…

High Energy Physics - Phenomenology · Physics 2024-09-18 Huai-Min Chen , Xiao-Wei Li , Cheng-Jun Xia , Jing-Tao Wang , Guang-Xiong Peng

We explore the maximum mass limit of strange stars in quadratic curvature gravity with the non-minimal matter coupling. The characteristic parameters of the quadratic curvature coupling and the non-minimal matter coupling imply the…

General Relativity and Quantum Cosmology · Physics 2026-04-24 Debadri Bhattacharjee , Pradip Kumar Chattopadhyay , Kazuharu Bamba

High energy density ($\eps$) and temperature (T) links general relativity and hydrodynamics leading to a lower bound for the ratio of shear viscosity ($\eta$) and entropy density ($s$). We get the interesting result that the bound is…

We investigate the properties of strange quark matter at zero temperature including medium effects. The quarks are considered as quasiparticles which acquire an effective mass generated by the interaction with the other quarks of the dense…

High Energy Physics - Phenomenology · Physics 2009-10-30 K. Schertler , C. Greiner , M. H. Thoma

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

Considering the confinement of massless $u$ and $d$ quarks and massive $s$ quarks in an axially symmetric quadrupole shaped deformable bag, the stability properties of color-singlet strangelets at finite temperatures are studied for the…

Nuclear Theory · Physics 2008-11-26 Munshi Golam Mustafa , A. Ansari

Strange quark matter in a color-flavor locked state is significantly more bound than ``ordinary'' strange quark matter. This increases the likelihood of strangelet metastability or even absolute stability. Properties of color-flavor locked…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jes Madsen

We investigate the properties of strange quark matter in a strong magnetic field with quark confinement by the density dependence of quark mass considering the total baryon number conservation, charge neutrality and chemical equilibrium.…

Nuclear Theory · Physics 2015-06-19 J. X. Hou , G. X. Peng , C. J. Xia , J. F. Xu

Strange stars are one of the hypothetical compact stellar objects that can be formed after a supernova explosion. The existence of these objects relies on the absolute stability of strange {\it collapsed} quark matter with respect to…

High Energy Astrophysical Phenomena · Physics 2014-11-26 Massimo Mannarelli

We examine the properties of both forms of strange matter, small lumps of strange quark matter (strangelets) and of strange hadronic matter (Metastable Exotic Multihypernuclear Objects: MEMOs) and their relevance for present and future…

Nuclear Theory · Physics 2008-11-26 Juergen Schaffner-Bielich , Carsten Greiner , Horst Stoecker , Axel Vischer

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

At finite temperature (T) there is a link with general relativity and hydrodynamics that leads to a lower bound for the ratio of shear viscosity and entropy density (\eta/s). We find that the bound is saturated in the simple model for quark…

High Energy Physics - Phenomenology · Physics 2007-06-13 Sibasish Laha , Taparati Gangopadhyay , Manjari Bagchi , Mira Dey , Jishnu Dey , Monika Sinha , Subharthi Ray

In this paper we investigate the electrodynamic surface properties of bare strange quark stars. The surfaces of such objects are characterized by the formation of ultra-high electric surface fields which might be as high as $\sim 10^{19}$…

High Energy Astrophysical Phenomena · Physics 2010-12-23 Rodrigo Picanço Negreiros , Igor N. Mishustin , Stefan Schramm , Fridolin Weber

We consider the effects of the curvature energy term on thermal strange quark matter nucleation in dense neutron matter. Lower bounds on the temperature at which this process can take place are given and compared to those without the…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. E. Horvath

The dispersion relation and damping rate of longitudinal color plasmons in finite strange quark matter (strangelets) are evaluated in the limits of weak coupling, low temperature, and long wavelength. The property of the QCD vacuum…

Nuclear Theory · Physics 2009-10-31 Kei Iida

Finite lumps of color-flavor locked strange quark matter (CFL-strangelets) are significantly more stable than strangelets without color-flavor locking for wide ranges of parameters, increasing the likelihood of strangelet metastability, or…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jes Madsen

In this work, a detailed investigation of compact stars composed of deconfined quark matter with finite strange quark mass ($m_s \neq 0$) admixed with dark energy is presented. The quark sector is modeled using the MIT bag model equation of…

General Relativity and Quantum Cosmology · Physics 2025-11-25 Rohit Roy , Koushik Ballav Goswami , Debadri Bhattacharjee , Pradip Kumar Chattopadhyay

Surface tension (S) is due to the inward force experienced by particles at the surface and usually gravitation does not play an important role in this force. But in compact stars the gravitational force on the particles is very large and S…

Astrophysics · Physics 2016-08-30 Manjari Bagchi , Monika Sinha , Mira Dey , Jishnu Dey , Siddhartha Bhowmick

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 consider a thin ($\sim 10^2-10^3$ fm) layer of electrons (the electrosphere) at the quark surface of a bare strange star, taking into account the surface effects at the boundary with the vacuum. The quark surface holds the electron layer…

Astrophysics · Physics 2009-11-10 V. V. Usov , T. Harko , K. S. Cheng