Constraining Brans-Dicke Gravity with Millisecond Pulsars in Ultracompact Binaries

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dc.creatorPsaltis, Dimitrios
dc.date2005-01-12
dc.date.accessioned2026-07-07T02:16:42Z
dc.date.available2026-07-07T02:16:42Z
dc.descriptionThe five accreting, millisecond X-ray pulsars in ultracompact binaries that were recently discovered with the Rossi X-ray Timing Explorer provide excellent candidates for constraining the deviations from general relativity described by the Brans-Dicke parameter omega_BD. I calculate the expected rate of change of the orbital periods of these binaries and discuss the prospects of constraining omega_BD to values that are an order of magnitude larger than current constraints. Finally, I show how measurements of the orbital period derivative in ultracompact binaries can be used to place lower bounds on their orbital inclination.
dc.description13 pages, submitted to the Astrophysical Journal
dc.identifierhttps://arxiv.org/abs/astro-ph/0501234
dc.identifierhttp://arxiv.org/abs/astro-ph/0501234
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/8892
dc.subjectAstrophysics
dc.titleConstraining Brans-Dicke Gravity with Millisecond Pulsars in Ultracompact Binaries
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