منابع مشابه
Neutrino and Electron-positron Pair Emission from Phase-induced Collapse of Neutron Stars to Quark Stars
We study the energy released from phase-transition induced collapse of neutron stars, which results in large amplitude stellar oscillations. To model this process we use a Newtonian hydrodynamic code, with a high resolution shockcapturing scheme. The physical process considered is a sudden phase transition from normal nuclear matter to a mixed phase of quark and nuclear matter. We show that bot...
متن کاملFrom Quark Stars to Hybrid Stars
We show the possible existence of compact stars having a surface composed of a mixed phase of quarks and hadrons. This scenario can be realized both for self-bound stars, satisfying the so-called Witten-Bodmer hypothesis, and for gravitationally bound stars. This class of solutions of the Tolman-Oppenheimer-Volkoff equation can be obtained in all the models we discuss, within a physically accep...
متن کاملDistinguishing Bare Quark Stars from Neutron Stars
Observations to date cannot distinguish neutron stars from self-bound bare quark stars on the basis of their gross physical properties such as their masses and radii alone. However, their surface luminosity and spectral characteristics can be significantly different. Unlike a normal neutron star, a bare quark star can emit photons from its surface at super-Eddington luminosities for an extended...
متن کاملBare Quark Matter Surfaces of Strange Stars and ee Emission
We show that the Coulomb barrier at the quark surface of a hot strange star may be a powerful source of ee pairs which are created in an extremely strong electric field of the barrier and flow away from the star. The luminosity in the outflowing pair plasma depends on the surface temperature TS and may be very high, up to ∼ 3× 10 51 ergs s at TS ∼ 10 11 K. The effect of pair creation by the Cou...
متن کامل0 th Order Heavy Quark Photon Bremsstrahlung
We calculate the 0 order in opacity number distribution of massive photons (gluons) for heavy quark production radiation including interference from the away-side jet. While consistent with the soft photon (gluon) approximation, we find that taking 1−x ≈ 1, as done in previous calculations, strongly affects the magnitude of energy loss. Restoring gauge invariance by including the radiation asso...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2009
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.80.123006