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相关论文: Hybrid magnetized stars within the Field Correlato…

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Neutron stars, at their cores, are highly dense and, thus, are expected to have a number of exotic processes. This includes a possible phase transition to deconfined quark matter at the core, leading to a hybrid star. The quark matter is…

高能天体物理现象 · 物理学 2026-04-09 Zenia Zuraiq , Banibrata Mukhopadhyay

We study the thermodynamics of two flavor color superconducting (2SC) quark matter within a nonlocal chiral quark model, using both instantaneous and covariant nonlocal interactions. For applications to compact stars, we impose conditions…

高能物理 - 唯象学 · 物理学 2008-11-26 A. G. Grunfeld , J. Berdermann , D. B. Blaschke , T. Klahn , D. Gomez Dumm , N. N. Scoccola

In this paper, we develop a model for a static anisotropic hybrid star that includes strange quark matter and hadronic matter. We solve the field equations in the $f(Q)$ gravity framework (where $Q$ is the non-metricity) using the…

广义相对论与量子宇宙学 · 物理学 2026-01-06 M. Sharif , Madiha Ajmal

We investigate the influence of magnetic fields upon the dynamics of and resulting gravitational waves from a binary neutron star merger in full general relativity coupled to ideal magnetohydrodynamics (MHD). We consider two merger…

The equation of state for quark matter is derived for a nonlocal, chiral quark model within the mean field approximation. Special emphasis is on the occurrence of a diquark condensate which signals a phase transition to color…

天体物理学 · 物理学 2009-11-07 H. Grigorian , D. Blaschke , D. N. Aguilera

The stellar configurations of quark stars are studied using perturbative QCD (pQCD) for the equation of state (EoS). The neutron star structures with equation of state obtained from Brussels-Montreal extended Skyrme interaction are also…

核理论 · 物理学 2023-08-01 Joydev Lahiri , D. N. Basu

We study rotating hybrid stars, with particular emphasis on the effect of spin on the deconfinement phase transition and star properties. Our analysis is based on a hybrid equation of state with a phase transition from hadronic matter…

Observations of pressure-gravity mixed modes, combined with a theoretical framework for understanding mode formation, can yield a wealth of information about deep stellar interiors. In this paper, we seek to develop a formalism for treating…

太阳与恒星天体物理 · 物理学 2020-01-08 Shyeh Tjing Loi , John C. B. Papaloizou

We use an extended version of the hadronic SU(3) non-linear realization of the sigma model that also includes quarks to study hybrid stars. Within this approach, the degrees of freedom change naturally as the temperature/density increases.…

高能天体物理现象 · 物理学 2017-07-21 V. Dexheimer , R. Negreiros , S. Schramm , M. Hempel

We show that a hybrid (nuclear + quark matter) star can have a mass-radius relationship very similar to that predicted for a star made of purely nucleonic matter. We show this for a generic parameterization of the quark matter equation of…

核理论 · 物理学 2014-11-18 Mark Alford , Matt Braby , Mark Paris , Sanjay Reddy

We investigate the quantum hadrodynamic equation of state for neutron stars (with and without including hyperons) in the presence of strong magnetic fields. The deduced masses and radii are consistent with recent observations of high mass…

高能天体物理现象 · 物理学 2012-11-19 Chung-Yeol Ryu , Myung-Ki Cheoun , Toshitaka Kajino , Tomoyuki Maruyama , Grant J. Mathews

We study the mass-radius curve of hybrid stars, assuming a single first-order phase transition between nuclear and quark matter, with a sharp interface between the quark matter core and nuclear matter mantle. We use a generic…

太阳与恒星天体物理 · 物理学 2013-11-13 Mark G. Alford , Sophia Han , Madappa Prakash

We construct an equation of state including the hadron-quark phase transition. The mixed phase is obtained by the Gibbs conditions for finite temperature. We adopt the equation of state based on the relativistic mean field theory for the…

天体物理学 · 物理学 2008-11-26 Ken'ichiro Nakazato , Kohsuke Sumiyoshi , Shoichi Yamada

A compact star with superconducting quark core, the hadron crust and the mixed phase between the two is considered. The quark meson coupling model for hadron matter and the color flavor locked quark model for quark matter is used in order…

天体物理学 · 物理学 2009-11-11 P. K. Panda , H. S. Nataraj

In this work we review the formalism normally used in the literature about the effects of density-dependent magnetic fields on the properties of neutron and quark stars, expose some ambiguities that arise and propose a way to solve the…

高能天体物理现象 · 物理学 2015-08-06 Luiz L. Lopes , Debora P. Menezes

We investigate the influence of a strong magnetic field on various properties of neutron stars with quark-hadron phase transition. The one-gluon exchange contribution in a magnetic field is calculated in a relativistic Dirac-Hartree-Fock…

天体物理学 · 物理学 2009-10-30 Debades Bandyopadhyay , Somenath Chakrabarty , Subrata Pal

We present the recent progress of the hybrid quark-meson-nucleon model for multi-messenger astronomy that unifies the thermodynamics of quark and hadronic degrees of freedom. The obtained equation of state is in accordance with nuclear…

核理论 · 物理学 2020-10-30 Michał Marczenko

Compact stars serve as natural systems where matter exists at densities far beyond those achievable in laboratory experiments. Among them, magnetars are expected to possess interior magnetic fields that may reach values of the order of…

高能天体物理现象 · 物理学 2026-05-01 Monika Sinha , Vivek Baruah Thapa

We investigate the equation of state(EoS) and the effect of the hadron-quark phase transition of strong interaction matter in compact stars. The hadron matter is described with the relativistic mean field theory,and the quark matter is…

高能物理 - 唯象学 · 物理学 2018-01-31 Zhan Bai , Huan Chen , Yu-xin Liu

Properties of hybrid stars with a mixed phase composed of asymmetric nuclear matter and strange quark matter are studied. The quark phase is investigated by the quark quasiparticle model with a self-consistent thermodynamic and statistical…

核理论 · 物理学 2013-05-31 Xin-Jian Wen