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Related papers: On slowly rotating magnetized white dwarfs

200 papers

Here we extend the exploration of significantly super-Chandrasekhar magnetised white dwarfs by numerically computing axisymmetric stationary equilibria of differentially rotating magnetised polytropic compact stars in general relativity…

Solar and Stellar Astrophysics · Physics 2015-10-02 Sathyawageeswar Subramanian , Banibrata Mukhopadhyay

We investigate the effect of strong magnetic fields on the adiabatic radial oscillations of hadronic stars. We describe magnetized hadronic matter within the framework of the relativistic nonlinear Walecka model and integrate the equations…

High Energy Astrophysical Phenomena · Physics 2016-08-01 C. Vásquez Flores , L. B. Castro , G. Lugones

A three-dimensional numerical model for an accretion process investigation in the magnetosphere of a white dwarf in magnetic cataclysmic variables is developed. The model assumes that the white dwarf has a dipole magnetic field with its…

Solar and Stellar Astrophysics · Physics 2016-02-04 P. B. Isakova , A. G. Zhilkin , D. V. Bisikalo

We describe one of the so-called low magnetic field magnetars SGR 0418+5729, as a massive fast rotating highly magnetized white dwarf following Malheiro et. al. 2012. We give bounds for the mass, radius, moment of inertia, and magnetic…

Solar and Stellar Astrophysics · Physics 2015-03-16 Kuantay Boshkayev , Jorge A. Rueda , Remo Ruffini

We study radiative activity of magnetic white dwarf undergoing torsional vibrations about axis of its own dipole magnetic moment under the action of Lorentz restoring force. It is shown that pulsating white dwarf can convert its vibration…

Solar and Stellar Astrophysics · Physics 2015-05-20 S. I. Bastrukov , J. W. Yu , R. X. Xu , I. V. Molodtsova

We consider a relativistic, degenerate, electron gas under the influence of a strong magnetic field, which describes magnetized white dwarfs. Landau quantization changes the density of states available to the electrons, thus modifying the…

Solar and Stellar Astrophysics · Physics 2013-04-12 Upasana Das , Banibrata Mukhopadhyay

We consider the effects of rotation and temperature on the structure of white dwarfs in order to compare them with the estimated data from observations.

Solar and Stellar Astrophysics · Physics 2016-03-16 Kuantay Boshkayev , Jorge A. Rueda , Bakytzhan Zhami

We investigate the structure of strange dwarfs, modeled as hybrid compact stars composed of a self bound strange quark matter core surrounded by a white dwarf like crust, within a fully relativistic framework. Static configurations are…

Solar and Stellar Astrophysics · Physics 2026-02-06 Edson Otoniel , José D. V. Arbañil , Geanderson A. Carvalho , Fridolin Weber

A theoretical study of some electrodynamic features of a region close to a {\it slowly-rotating} magnetized relativistic star is performed. To be a little more specific, based on the solution-generating method given by Wald, the magnetic…

Astrophysics · Physics 2007-05-23 Hongsu Kim , Hyung Mok Lee , Chul H. Lee , Hyun Kyu Lee

We numerically construct a series of axisymmetric rotating magnetic wind solutions, aiming at exploring the observation properties of massive white dwarf (WD) merger remnants with a strong magnetic field, a fast spin, and an intense mass…

High Energy Astrophysical Phenomena · Physics 2023-11-01 Yici Zhong , Kazumi Kashiyama , Shinsuke Takasao , Toshikazu Shigeyama , Kotaro Fujisawa

We have solved numerically the general relativistic induction equations in the interior background spacetime of a slowly rotating magnetized neutron star. The analytic form of these equations was discussed in a recent paper (Rezzolla et al…

Astrophysics · Physics 2009-11-07 O. Zanotti , L. Rezzolla

A rotating star may be modeled as a continuous system of particles attracted to each other by gravity and with a given total mass and prescribed angular velocity. Mathematically this leads to the Euler-Poisson system. A white dwarf star is…

Analysis of PDEs · Mathematics 2019-08-07 Walter Strauss , Yilun Wu

We investigate the radial density distribution of the dynamical dark energy inside the white dwarfs (WDs) and its possible impact on their intrinsic structure. The minimally-coupled dark energy with barotropic equation of state which has…

Cosmology and Nongalactic Astrophysics · Physics 2020-01-08 Sviatoslav Smerechynskyi , Maksym Tsizh , Bohdan Novosyadlyj

A number of White Dwarfs (WDs) in cataclysmic binaries have shown brightness variations consistent with non-radial oscillations as observed in isolated WDs. A few objects have been well-characterized with photometric campaigns in the hopes…

Solar and Stellar Astrophysics · Physics 2016-01-12 Dean M. Townsley , Phil Arras , Lars Bildsten

Due to the resource criticality of rare-earths (RE), an alternative to the well-known Nd$_2$Fe$_{14}$B magnets with a lower amount of critical elements is required. In this work, density functional theory (DFT) calculations to investigate…

Materials Science · Physics 2023-02-08 Stephan Erdmann

The origin of highly-magnetized white dwarfs has remained a mystery since their initial discovery. Recent observations indicate that the formation of high-field magnetic white dwarfs is intimately related to strong binary interactions…

Solar and Stellar Astrophysics · Physics 2015-05-20 J. Nordhaus , S. Wellons , D. S. Spiegel , B. D. Metzger , E. G. Blackman

We consider a relativistic, degenerate, electron gas under the influence of a strong magnetic field, which describes magnetized white dwarfs. Landau quantization changes the density of states available to the electrons, thus modifying the…

High Energy Astrophysical Phenomena · Physics 2012-11-20 Upasana Das , Banibrata Mukhopadhyay

Possible nature of strongly magnetized white dwarfs (SMWDs) is studied. It is shown that for relatively low values of the equatorial surface magnetic field $B\,\sim\,10^9\,-\,10^{11}$ G they can be good candidates for soft gamma-ray…

Solar and Stellar Astrophysics · Physics 2015-12-08 J. Adam , V. B. Belyaev , P. Ricci , F. Šimkovic , E. Truhlík

Accretion-driven spin-up of a magnetized white dwarf in a close binary system is discussed. We address a situation in which the magnetic field of the white dwarf is screening during the accretion phase and re-generating due to the field…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Nazar Ikhsanov , Nina Beskrovnaya
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