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Related papers: Magnetized strange quark matter in a mass-density-…

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At high density, matter is expected to undergo a phase transition to deconfined quark matter. Although the density at which it happens and the strength of the transition are still largely unknown, we can model it to be in agreement with…

Nuclear Theory · Physics 2023-11-21 Alexander Clevinger , Veronica Dexheimer , Jeffrey Peterson

We investigate the effects of strong magnetic fields on the equation of state of dense stellar neutrino-free and neutrino-trapped matter. Relativistic nuclear models both with constant couplings (NLW) and with density dependent parameters…

Nuclear Theory · Physics 2010-04-22 A. Rabhi , C. Providencia

We derive scaling laws that connect certain macroscopic observables of strange quark stars with key microscopic properties of self-bound quark matter, such as the energy per baryon at zero pressure and the strength of repulsive…

Nuclear Theory · Physics 2025-06-26 G. Lugones , A. G. Grunfeld

Densities in compact stars may be such that quarks are no longer confined in hadrons, but instead behave as weakly interacting particles. In this regime perturbative calculations are possible. Yet, due to high pressures and an attractive…

High Energy Physics - Phenomenology · Physics 2009-03-24 Sjoerd Hardeman

In this study we derive the magnetized Taub adiabat equations from the hydrodynamic conservation conditions. We employ the magnetized taub adiabat equations to study the evolution of a magnetized neutron star to magnetized quark star. The…

High Energy Astrophysical Phenomena · Physics 2019-07-17 Ritam Mallick

We investigate the change of magnetic moments of octet baryons in nuclear matter at a finite density and temperature. Quark-meson coupling models are employed in describing properties of octet baryons and their interactions. Magnetic…

Nuclear Theory · Physics 2011-11-10 C. Y. Ryu , C. H. Hyun , M. -K. Cheoun

We have performed the leading order perturbative calculation to obtain the equation of state (EoS) of the strange quark matter (SQM) at zero temperature under the magnetic field B = 10^18 G. The SQM comprises two massless quark flavors (up…

High Energy Physics - Phenomenology · Physics 2022-04-11 J. Sedaghat , S. M. Zebarjad , G. H. Bordbar , B. Eslam Panah

We observe a strong negative magnetoresistance at non-quantizing magnetic fields in a high-mobility two-dimensional electron gas (2DEG). This strong negative magnetoresistance consists of a narrow peak around zero magnetic field and a huge…

Mesoscale and Nanoscale Physics · Physics 2014-11-05 L. Bockhorn , I. V. Gornyi , D. Schuh , C. Reichl , W. Wegscheider , R. J. Haug

Possibility of spontaneous magnetization in QCD and magnetic properties of quark matter is discussed by evaluating the magnetic susceptibility within Fermi-liquid theory. The screening effects for gluons are taken into account to figure out…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Tatsumi , K. Sato

We investigate the effects of strong magnetic fields on the equation of state of warm stellar matter as it may occur in a protoneutron star. Both neutrino free and neutrino trapped matter at a fixed entropy per baryon are analyzed. A…

Nuclear Theory · Physics 2015-05-28 A. Rabhi , P. K. Panda , C. Providência

The influence of a constant uniform magnetic field on the thermodynamic properties of a partially ionized hydrogen plasma is studied. Using the method of Green' s function various interaction contributions to the thermodynamic functions are…

Plasma Physics · Physics 2016-09-08 M. Steinberg , J. Ortner , W. Ebeling

We consider the equation of state of QCD at high density and zero temperature in perturbation theory to first order in the coupling constant $\alpha_s$. We compute the thermodynamic potential including the effect of a non-vanishing mass for…

High Energy Physics - Phenomenology · Physics 2009-11-10 Eduardo S. Fraga , Paul Romatschke

Fermion currents in dense quark matter embedded into magnetic field are under intense discussions motivated by Chiral Magnetic Effect. We argue that conductivity of quark matter may be independent of the magnetic field direction and not…

High Energy Physics - Phenomenology · Physics 2011-12-06 B. Kerbikov , M. Andreichikov

The measurement of the mass 1.97 +/- 0.04 M_sun for PSR J1614-2230 provides a new constraint on the equation of state and composition of matter at high densities. In this contribution we investigate the possibility that the dense cores of…

Nuclear Theory · Physics 2012-09-20 R. Lastowiecki , D. Blaschke , H. Grigorian , S. Typel

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 are studying finite fermion density states in Maxwell QED$_{2+1}$ with external magnetic field. It is shown that at any fermion density the energy of some magnetized states may be less than that of the state with the same density, but no…

High Energy Physics - Theory · Physics 2009-10-30 Vadim Zeitlin

I discuss the zero temperature phase diagram of QCD, as a function of baryon density and strange quark mass. The noteworthy points are that at sufficiently high density chiral symmetry is always restored, and at low strange quark mass there…

High Energy Physics - Lattice · Physics 2015-06-25 M. Alford

We review the mechanisms via which an external magnetic field can affect the ground state of cold and dense quark matter. In the absence of a magnetic field, at asymptotically high densities, cold quark matter is in the Color-Flavor-Locked…

Nuclear Theory · Physics 2015-06-11 Efrain J. Ferrer , Vivian de la Incera

We are interested on the effects, caused by strong variable density dependent magnetic fields, on hyperonic matter, its symmetry energy, equations of state and mass-radius relations. The inclusion of the anomalous magnetic moment of the…

Nuclear Theory · Physics 2013-07-19 Rudiney Hoffmann Casali , Débora Peres Menezes

We follow our previous paper on possible cosmological variation of weak scale (quark masses) and strong scale, inspired by data on cosmological variation of the electromagnetic fine structure constant from distant quasar (QSO) absorption…

High Energy Physics - Phenomenology · Physics 2016-09-06 V. V. Flambaum , E. V. Shuryak