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Related papers: QCD Origin of Strong Magnetic Field in Compact Sta…

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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

A magnetic aspect of quark matter is studied by the Fermi liquid theory. The magnetic susceptibility is derived with the one-gluon-exchange interaction, and the critical Fermi momentum for spontaneous spin polarization is found to be…

High Energy Physics - Phenomenology · Physics 2009-11-11 Toshitaka Tatsumi

Microscopic origin of the magnetic field observed in compact stars is studied in quark matter. Spontaneous spin polarization appears in high-density region due to the Fock exchange term. On the other hand, quark matter becomes unstable to…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Tatsumi , T. Maruyama , K. Nawa , E. Nakano

Two magnetic aspects of quark matter, ferromagnetism and spin density wave, are discussed in the temperature-density plane. Some implications of ferromagnetism are suggested on relativistic heavy-ion collisions and compact stars.

High Energy Physics - Phenomenology · Physics 2009-11-11 T. Tatsumi , T. Maruyama , E. Nakano , K. Nawa

Magnetic properties of quark matter are discussed in the light of the observation of pulsars. Our works about spontaneous spin polarization and spin density wave are reviewed and their implications on compact-star phenomena are discussed.…

High Energy Physics - Phenomenology · Physics 2011-07-13 Toshitaka Tatsumi

Magnetic properties of quark matter and its relation to the microscopic origin of the magnetic field observed in compact stars are studied. Spontaneous spin polarization appears in high-density region due to the Fock exchange term, which…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Tatsumi , E. Nakano , K. Nawa

We review the results in our recent works on the generation of strong magnetic fields in compact stars driven by the parity violating electroweak interactions between background fermions. The cases of a neutron star, a hybrid star, and a…

High Energy Astrophysical Phenomena · Physics 2017-12-21 Maxim Dvornikov

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

We show a possibility that strong ``magnetic field'' $\sim 10^{15} $G is produced by color ferromagnetic quark matter in neutron stars. In the quark matter a color magnetic field is generated spontaneously owing to Savvidy mechanism and a…

High Energy Physics - Phenomenology · Physics 2013-05-29 Aiichi Iwazaki

In this review, I will summarise what we know about magnetic fields in stars and what the origin of these magnetic fields may be. I will address the issue of whether the magnetic flux is conserved from pre-main sequence to the compact star…

Solar and Stellar Astrophysics · Physics 2018-01-30 Lilia Ferrario

In this paper we are trying to solve the problem of the origin of strong magnetic fields in the framework of solid quark-cluster stars. We propose that, under the Coulomb repulsion, the electrons inside the stars could spontaneously…

High Energy Astrophysical Phenomena · Physics 2015-12-21 Xiaoyu Lai

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…

High Energy Astrophysical Phenomena · Physics 2026-05-01 Monika Sinha , Vivek Baruah Thapa

Magnetic properties of quark matter are discussed. The possibility of ferromagnetic transition is studied by using the one-gluon-exchange interaction. Magnetic susceptibility is evaluated within Landau Fermi liquid theory, and the important…

High Energy Physics - Phenomenology · Physics 2011-03-10 Toshitaka Tatsumi

I review in this work the properties of nuclear and quark matter equation of state under the influence of a strong magnetic field. We analyse the results when they are applied to compact stars description. Finally, we describe the emission…

Astrophysics · Physics 2007-05-23 G. F. Marranghello

We study the generation of strong large scale magnetic fields in compact stars containing degenerate quark matter with unbroken chiral symmetry. The magnetic field growth is owing to the magnetic field instability driven by the electroweak…

High Energy Physics - Phenomenology · Physics 2017-03-27 Maxim Dvornikov

Enormous progress has been made on observing stellar magnetism in stars from the main sequence through to compact objects. Recent data have thrown into sharper relief the vexed question of the origin of stellar magnetic fields, which…

Solar and Stellar Astrophysics · Physics 2015-06-24 Lilia Ferrario , Andrew Melatos , Jonathan Zrake

We study the effect of a magnetic field on the strage quark matter and apply to strange star. We found that the strange star becomes more compact in presence of strong magnetic field.

High Energy Physics - Phenomenology · Physics 2009-10-28 S. Chakrabarty , P. K. Sahu

A possibility and properties of spontaneous magnetization in quark matter are investigated. Magnetic susceptibility is evaluated within Fermi liquid theory, taking into account of the screening effect of gluons. Spin wave in the polarized…

High Energy Physics - Phenomenology · Physics 2017-08-23 T. Tatsumi

A simple model of chiral asymmetry is proposed to interpret the origin of the strong toroidal magnetic field. The electrons relevant to dynamics forming the the field are in a quantume degenerate state with ultra-relativistic Fermi energy.…

Nuclear Theory · Physics 2020-12-11 Naoki Onishi , Tomoyuki Maruyama

Compact stars having strong magnetic fields (magnetars) have been observationally determined to have surface magnetic fields of order of 10^14-10^15 G, the implied internal field strength being several orders larger. We study the equation…

High Energy Astrophysical Phenomena · Physics 2015-02-24 Monika Sinha
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