Q-stars and charged q-stars

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dc.contributor.author Prikas, A en
dc.date.accessioned 2014-03-01T01:18:16Z
dc.date.available 2014-03-01T01:18:16Z
dc.date.issued 2002 en
dc.identifier.issn 0556-2821 en
dc.identifier.uri http://hdl.handle.net/123456789/14903
dc.subject Gravitational Collapse en
dc.subject Energy Momentum Tensor en
dc.subject.classification Astronomy & Astrophysics en
dc.subject.classification Physics, Particles & Fields en
dc.subject.other acceleration en
dc.subject.other article en
dc.subject.other calculation en
dc.subject.other cosmos en
dc.subject.other energy en
dc.subject.other gravity en
dc.subject.other mathematical analysis en
dc.subject.other particulate matter en
dc.subject.other physics en
dc.title Q-stars and charged q-stars en
heal.type journalArticle en
heal.identifier.primary 10.1103/PhysRevD.66.025023 en
heal.identifier.secondary http://dx.doi.org/10.1103/PhysRevD.66.025023 en
heal.identifier.secondary 025023 en
heal.language English en
heal.publicationDate 2002 en
heal.abstract We present the formalism of q-stars with local or global U(1) symmetry. The equations we formulate are solved numerically and provide the main features of the soliton star. We study its behavior when the symmetry is local in contrast with the global case. A general result is that the soliton remains stable and does not decay into free particles and the electrostatic repulsion preserves it from gravitational collapse. We also investigate the case of a q-star with a nonminimal energy-momentum tensor and find that the soliton is stable even in some cases of collapse when the coupling to gravity is absent. © 2002 The American Physical Society. en
heal.publisher AMERICAN PHYSICAL SOC en
heal.journalName Physical Review D en
dc.identifier.doi 10.1103/PhysRevD.66.025023 en
dc.identifier.isi ISI:000177285600111 en
dc.identifier.volume 66 en
dc.identifier.issue 2 en

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