English
Related papers

Related papers: Medium Effects in MIT Bag Model for quark matter: …

200 papers

We study the effect of coarse-graining the dynamics of a pressureless selfgravitating fluid (coarse-grained dust) in the context of cosmological perturbation theory, both in the Eulerian und Lagrangian framework. We obtain recursion…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-08 Cora Uhlemann , Michael Kopp

The equation of state of strange matter build of the u,d,s quarks in the framework of the MIT bag model is studied. The scaling relations with bag constant are discussed and applied to the determination of maximum frequency of a particle in…

Astrophysics · Physics 2011-05-23 J. L. Zdunik

Strangelets with non-zero entropy are studied within the MIT bag model. Explicit account is taken of the constraints that strangelets must be color neutral and have a fixed total momentum. In general, masses increase with increasing entropy…

High Energy Physics - Phenomenology · Physics 2009-12-30 D. M. Jensen , J. Madsen

The observations of compact star inspirals from LIGO/Virgo provide a valuable tool to study the highly uncertain equation of state (EOS) of dense matter at the densities in which the compact stars reside. It is not clear whether the merging…

High Energy Astrophysical Phenomena · Physics 2021-08-19 Zhiqiang Miao , Jin-Liang Jiang , Ang Li , Lie-Wen Chen

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

We employ the MIT bag model with density-dependent bag constant for the equation of state (EOS) to estimate the gravitational mass and Keplerian frequency of rapidly rotating strange quark stars (SQS). In a companion paper we discuss the…

High Energy Astrophysical Phenomena · Physics 2026-01-15 Fatemeh Kayanikhoo , Mateusz Kapusta , Miljenko Čemeljić , Wlodek Kluzniak , Leszek Zdunik

We describe the quark substructure of hadrons and the equation of state of high density neutron star matter by using the Nambu$-$Jona-Lasinio (NJL) model, which is an effective quark theory based on QCD. The interaction between quarks fully…

Nuclear Theory · Physics 2025-03-27 Wolfgang Bentz , Ian C. Cloët

We investigate the properties of an antikaon in medium, regarding itas a MIT bag. We first construct the MIT bag model for a kaon with$\sigma^*$ and $\phi$ in order to describe the interaction of$s$-quarks in hyperonic matter in the…

Nuclear Theory · Physics 2010-04-30 C. Y. Ryu , C. H. Hyun , S. W. Hong

Within the MIT bag model picture of QCD, we have studied the stability of finite size strangelets at finite temperature with baryon number $A \leq 100$. The light quarks $u$ and $d$ are considered massless while mass of the $s$ quark is…

Nuclear Theory · Physics 2014-11-18 M. G. Mustafa , A. Ansari

Properties of a hypothetical baryonium with the quark content ($uds\ov{u}\ov{d}\ov{s}$) are discussed. The MIT bag model predicts its mass to be unexpectedly low, approximately 1210 MeV. Possible hadronic decay modes of this state are…

High Energy Physics - Phenomenology · Physics 2009-11-10 I. N. Mishustin , L. M. Satarov , D. Strottman , W. Greiner

Critical properties of a liquid film between two planar walls are investigated in the canonical ensemble, within which the total number of particles, rather than their chemical potential, is kept constant. The effect of this constraint is…

Statistical Mechanics · Physics 2016-08-04 Markus Gross , Oleg Vasilyev , Andrea Gambassi , S. Dietrich

Incorporation of the finite size of baryons into the equation of state (EOS) of a hot and dense hadron gas (HG) in a thermodynamically consistent manner has been a much studied problem. We first review its current status. Various models…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Mishra , C. P. Singh

We determine the Galactic production rate of strangelets as a canonical input to calculations of the measurable cosmic ray flux of strangelets by performing simulations of strange star mergers and combining the results with recent estimates…

(Abridged) Neutron stars (NSs), the densest known objects composed of matter, provide a unique laboratory to probe whether strange quark matter is the true ground state of matter. We investigate the parameter space of the equation of state…

High Energy Astrophysical Phenomena · Physics 2025-08-29 João V. Zastrow , Jonas P. Pereira , Rafael C. R. de Lima , Jorge E. Horvath

The properties of strange quark stars are studied within the quasi-particle model. Taking into account the chemical equilibrium and charge neutrality, the EOS of $ (2+1) $-flavor quark matter is obtained. We illustrate the parameter spaces…

High Energy Physics - Phenomenology · Physics 2020-11-10 Wen-Hua Cai , Qing-Wu Wang

We consider the implications of an ultra-light fermionic dark matter candidate that carries baryon number. This naturally arises if dark matter has a small charge under standard model baryon number whilst having an asymmetry equal and…

Cosmology and Nongalactic Astrophysics · Physics 2021-09-30 Stephon Alexander , Evan McDonough , David N. Spergel

We study the in-medium effects in strangeness production in heavy-ion collisions at (sub-)\-threshold energies of 1 - 2 A GeV based on the microscopic Parton-Hadron-String Dynamics (PHSD) transport approach. The in-medium modifications of…

Nuclear Theory · Physics 2021-04-14 Taesoo Song , Laura Tolos , Joana Wirth , Joerg Aichelin , Elena Bratkovskaya

We perform fully general-relativistic simulations of binary strange star mergers considering two different approaches for thermal effects. The first uses a cold equation of state (EOS) derived from a modified version of the MIT bag model…

High Energy Astrophysical Phenomena · Physics 2025-04-08 Francesco Grippa , Aviral Prakash , Domenico Logoteta , David Radice , Ignazio Bombaci

Inspired by various astrophysical phenomenons, it is suggested that pulsar-like compact stars are comprised entirely of strangeons (quark-clusters with three-light-flavor symmetry) and a small amount of electrons. In order to better…

Nuclear Theory · Physics 2022-05-12 Zhi-Qiang Miao , Cheng-Jun Xia , Xiao-Yu Lai , Toshiki Maruyama , Ren-Xin Xu , En-Ping Zhou

Considering massless $u$ and $d$ quarks, and massive (150 MeV) $s$ quarks in a bag with the bag pressure constant $B^{1/4} = 145$ MeV, a colour-singlet grand canonical partition function is constructed for temperatures $T = 1-30$ MeV. Then…

Nuclear Theory · Physics 2009-09-25 M. G. Mustafa , A. Ansari
‹ Prev 1 4 5 6 7 8 10 Next ›