Search results for ":relativity"

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The Role Of General Relativity in the Evolution of Low-Mass X-ray Binaries

2005

We study the evolution of Low Mass X-ray Binaries (LMXBs) and of millisecond binary radio pulsars (MSPs), with numerical simulations that keep into account the evolution of the companion, of the binary system and of the neutron star. According to general relativity, when energy is released, the system loses gravitational mass. Moreover, the neutron star can collapse to a black hole if its mass exceeds a critical limit, that depends on the equation of state. These facts have some interesting consequences: 1) In a MSP the mass-energy is lost with a specific angular momentum that is smaller than the one of the system, resulting in a positive contribution to the orbital period derivative. If th…

Physics:relativityX-rays : binariesGeneral relativityAstrophysics::High Energy Astrophysical PhenomenaAstrophysics (astro-ph)pulsars : generalFOS: Physical sciencesrelativity; binaries : close; stars : individual : SAX J1808.4-3658; stars : neutron; pulsars : general; X-rays : binariesAstronomy and AstrophysicsAstrophysicsMoment of inertiaOrbital periodAstrophysicsSpecific relative angular momentumstars : neutronBlack holeNeutron starPulsarstars : individual : SAX J1808.4-3658Space and Planetary Sciencebinaries : closeLow Mass

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