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Related papers: From microphysics to dynamics of magnetars

200 papers

We discuss the occurrence of Bose-Einstein condensation in systems of noninteracting charged particles in three in one dimensions and in presence of an external magnetic field. In the one dimensional, as well as in the magnetic field cases,…

Condensed Matter · Physics 2007-05-23 H. Perez , L. Villegas

The presence of a companion wind in neutron star binary systems can form a contact discontinuity well within the pulsar's light cylinder, effectively creating a waveguide that confines the pulsar's electromagnetic fields and significantly…

High Energy Astrophysical Phenomena · Physics 2024-07-09 Yici Zhong , Anatoly Spitkovsky , Jens F. Mahlmann , Hayk Hakobyan

The effects of the coupling between two electronic condensates in two-gap mesoscopic superconductors are studied within the Ginzburg-Landau theory using a finite difference technique. In applied magnetic field, we derive the dependency of…

Superconductivity · Physics 2015-03-17 R. Geurts , M. V. Milošević , F. M. Peeters

Neutron stars feature extremely high magnetic fields with deduced field strengths of $10^{15}$ G in the case of magnetars and potentially much higher values inside of the star. In this context we consider the appearance of $\rho^-$ meson…

Solar and Stellar Astrophysics · Physics 2015-04-03 S. Schramm , A. Bhattacharyya , V. Dexheimer , R. Mallick

In the presence of strong magnetic field reported to have been observed on the surface of some neutron stars and on what are called Magnetars, a host of physical phenomenon from the birth of a neutron star to free streaming neutrino cooling…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ashok Goyal

Prior to photon decoupling magnetic random fields of comoving intensity in the nano-Gauss range distort the temperature and the polarization anisotropies of the microwave background, potentially induce a peculiar B-mode power spectrum and…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-04 Massimo Giovannini

We study equilibrium magnetic field configurations in a neutron star (NS) whose core has type-II superconducting protons. Unlike the equations for normal matter, which feature no special field strength, those for superconductors contain the…

High Energy Astrophysical Phenomena · Physics 2015-06-16 S. K. Lander

The merger of binary neutron stars (BNSs) can lead to large amplifications of the magnetic field due to the development of turbulence and instabilities in the fluid, such as the Kelvin-Helmholtz shear instability, which drive small-scale…

High Energy Astrophysical Phenomena · Physics 2015-09-09 Bruno Giacomazzo , Jonathan Zrake , Paul Duffell , Andrew I. MacFadyen , Rosalba Perna

The behaviour of the magnetic field inside the superconducting quark matter core of a neutron star is investigated in the framework of the Ginzburg-Landau theory. We take into account the simultaneous coupling of the diquark condensate…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. M. Sedrakian , D. Blaschke , K. M. Shahabasyan , D. N. Voskresensky

The behaviour of the magnetic field of a neutron star with a superconducting quark matter core is investigated in the framework of the Ginzburg-Landau theory. We take into account the simultaneous coupling of the diquark condensate field to…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. M. Sedrakian , D. Blaschke

The magnetic field is believed to play an important role in at least some core-collapse supernovae if its magnitude reaches $10^{15}\,\rm{G}$, which is a typical value for a magnetar. In the presence of fast rotation, such a strong magnetic…

High Energy Astrophysical Phenomena · Physics 2020-01-17 M. Bugli , J. Guilet , M. Obergaulinger , P. Cerdá-Durán , M. Á. Aloy

A degenerate neutron gas in equilibrium with a background of electrons and protons in a magnetic field exerts its pressure anisotropically, having a smaller value perpendicular than along the magnetic field. For critical fields the magnetic…

High Energy Physics - Phenomenology · Physics 2007-05-23 Aurora Perez Martinez , Hugo Perez Rojas , Herman J. Mosquera Cuesta

In this work, we study the effects of magnetic fields and rotation on the structure and composition of proto-neutron stars (PNS's). A hadronic chiral SU(3) model is applied to cold neutron stars (NS) and proto-neutron stars with trapped…

High Energy Astrophysical Phenomena · Physics 2016-08-17 B. Franzon , V. Dexheimer , S. Schramm

In magnetic fields stronger than B_Q = 4.4 X 10^13 Gauss, an electron's Landau excitation energy exceeds its rest energy. I review the physics of this strange regime and some of its implications for the crusts and magneto- spheres of…

Astrophysics · Physics 2009-10-31 Robert C. Duncan

Magnetars are proposed to be peculiar neutron stars powered by their super strong magnetic field. Observationally, anomalous X-ray pulsars and soft gamma-ray repeaters are believed to be magnetar candidates. While more and more multiwave…

High Energy Astrophysical Phenomena · Physics 2015-06-18 H. Tong , R. X. Xu

It is expected that in the interior of compact stars a proton superconductor coexists with and couples to a neutron superfluid. Starting from a field-theoretical model for two complex scalar fields - one of which is electrically charged -…

High Energy Astrophysical Phenomena · Physics 2017-04-10 Alexander Haber , Andreas Schmitt

The Bose-Einstein condensation of bound pairs made of equally and oppositely charged fermions in a magnetic field is investigated using a relativistic model. The Gaussian fluctuations have been taken into account in order to study the…

High Energy Physics - Phenomenology · Physics 2016-04-20 Bo Feng , Defu Hou , Hai-cang Ren , Ping-ping Wu

Neutron stars exhibit magnetic fields and densities far beyond those achievable in terrestrial laboratories, offering a natural probe of strongly interacting matter under extreme conditions. Using observationally anchored mass-radius…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-13 Abriana Lyda , Prajwal MohanMurthy

We consider a model where the strong magnetic fields of magnetars arise from a high baryon density, magnetized core. In this framework magnetars are distinguished from pulsars by their higher masses and central density. For magnetars, as…

Solar and Stellar Astrophysics · Physics 2015-05-20 N. D. Hari Dass , Vikram Soni

A relativistic degenerate neutron gas in equilibrium with a background of electrons and protons in a magnetic field exerts its pressure anisotropically, having a smaller value perpendicular than along the magnetic field. For critical fields…

Astrophysics · Physics 2009-01-07 A. Perez Martinez , H. Perez Rojas , H. J. Mosquera Cuesta