English
Related papers

Related papers: Powering Central Compact Objects with a Tangled Cr…

200 papers

In this paper the neutral 2SC phase of color superconductivity is investigated in the presence of a magnetic field and for diquark coupling constants and baryonic densities that are expected to characterize neutron stars. Specifically, the…

High Energy Physics - Phenomenology · Physics 2024-12-23 Shuai Yuan , Bo Feng , Efrain J. Ferrer , Alejandro Pinero

The effect of C-field in high density matter has been studied. We find that the negative energy and negative pressure of the C-field helps in formation of massive compact stable neutron stars of mass $\sim$ 0.5 solar mass which is in the…

Astrophysics · Physics 2009-10-28 L. P. Singh , P. K. Sahu

The impact of strong magnetic fields B>10e13 G on the thermal evolution of neutron stars is investigated, including crustal heating by magnetic field decay. For this purpose, we perform 2D cooling simulations with anisotropic thermal…

Astrophysics · Physics 2010-11-11 Deborah N. Aguilera , José A. Pons , Juan A. Miralles

An inhomogeneous cosmological magnetic field creates vortical perturbations that survive Silk damping on much smaller scales than compressional modes. This ensures that there is no sharp cut-off in anisotropy on arc-minute scales. As we had…

Astrophysics · Physics 2009-11-07 Kandaswamy Subramanian , John D. Barrow

Solar prominences are an important tool for studying the structure and evolution of the coronal magnetic field. Here we consider so-called "hedgerow" prominences, which consist of thin vertical threads. We explore the possibility that such…

Solar and Stellar Astrophysics · Physics 2015-05-18 A. A. van Ballegooijen , S. R. Cranmer

We present ESO NTT high resolution echelle spectroscopy of the central stars (CSs) of eight southern bipolar planetary nebulae (PNe) selected for their asymmetry. Our aim was to determine or place limits on the magnetic fields of the CSs of…

Astrophysics · Physics 2008-11-26 T. -H. Lee , L. Stanghellini , L. Ferrario , D. Wickramasinghe

Radio continuum observations allow to reveal the magnetic field structure in the disk and halo of nearby spiral galaxies, their magnetic field strength and vertical scale heights. The spiral galaxies studied so far show a similar magnetic…

Astrophysics of Galaxies · Physics 2014-01-08 Marita Krause

Recent spectropolarimetric surveys of bright, hot stars have found that ~10% of OB-type stars contain strong (mostly dipolar) surface magnetic fields (~kG). The prominent paradigm describing the interaction between the stellar winds and the…

Solar and Stellar Astrophysics · Physics 2017-10-10 C. L. Fletcher , V. Petit , Y. Naze , G. A. Wade , R. H. Townsend , S. P. Owocki , D. H. Cohen , A. David-Uraz , M. Shultz

Chiral nanophotonic devices are promising candidates for chiral molecules sensing, polarization diverse nanophotonics and display technologies. Active chiral nanophotonic devices, where the optical chirality can be controlled by an external…

{We report on the first of a series of studies on coronal bright points investigating the physical mechanism that generates these phenomena.} {The aim of this paper is to understand the magnetic-field structure that hosts the bright…

Solar and Stellar Astrophysics · Physics 2017-10-11 K. Galsgaard , M. S. Madjarska , F. Moreno-Insertis , Z. Huang , T. Wiegelmann

The dense core of compact stars is the natural medium for the realization of color superconductivity. A common characteristic of such astrophysical objects is their strong magnetic fields, especially those of the so called magnetars. In…

High Energy Physics - Phenomenology · Physics 2010-01-23 Efrain J. Ferrer

We assume that the supersymmetric lightest neutralino is a good candidate for the CDM and explore the possibility to produce diffuse radio emission from high-energy electrons arising from the neutralino annihilation in galaxy clusters whose…

Astrophysics · Physics 2009-10-31 S. Colafrancesco , B. Mele

One of a family previously proposed ``central engines'' for cosmic gamma-ray burst sources (Klu\'zniak & Ruderman 1998) is considered in some detail. A steadily accreting $10^6$ Gauss magnetic white dwarf should ultimately collapse to a…

Astrophysics · Physics 2009-10-31 M. A. Ruderman , L. Tao , W. Kluzniak

Recent observational evidence indicates that the center of our Milky Way harbours a super-massive object with ultra-strong radial magnetic field (Eatough et al., 2013). Here we demonstrate that the radiations observed in the vicinity of the…

Astrophysics of Galaxies · Physics 2016-12-23 Qiu-He Peng , Jing-Jing Liu , Chih-Kang Chou

We propose that the overlapping shock fronts from young supernova remnants produce a locally unsteady, but globally steady large scale spiral shock front in spiral galaxies, where star formation and therefore massive star explosions…

Astrophysics · Physics 2007-05-23 Peter L. Biermann , Cristina F. Galea

We estimated the magnetic field strength of compact stars in X-ray binaries Sco X-1 and Cyg X-1, via various methods of determination of magnetic fields. For Sco X-1 we used three independent methods. One of them is based on the correct…

Astrophysics · Physics 2007-05-23 Yu. N. Gnedin , N. A. Silant'ev , L. G. Titarchuk

By means of two dimensional, general-relativistic, magneto-hydrodynamical simulations we investigate the oscillations of magnetized neutron star models (magnetars) including the description of an extended solid crust. The aim of this study…

High Energy Astrophysical Phenomena · Physics 2012-04-13 Michael Gabler , Pablo Cerdá Durán , Nikolaos Stergioulas , José A. Font , Ewald Müller

This study was focused on the investigation of a magnetic field penetrating from the core of a neutron star to its surface. The range of possible field configurations in the intermediate solid crust is less limited owing to the elastic…

High Energy Astrophysical Phenomena · Physics 2023-10-19 Yasufumi Kojima , Shijun Yoshida

Millisecond pulsars (MSPs) are believed to be very old neutron stars (NSs) whose age may exceed significantly $10^8$ yrs. Although cooling scenarios of isolated NSs predict for that age a surface temperature $T_s\sim 10^4$ K, observations…

High Energy Astrophysical Phenomena · Physics 2024-04-05 U. Geppert
‹ Prev 1 8 9 10 Next ›