Wormhole geometries with conformal motions

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dc.creatorBoehmer, Christian G.
dc.creatorHarko, Tiberiu
dc.creatorLobo, Francisco S. N.
dc.date2007-11-15
dc.date2008-02-15
dc.date.accessioned2026-07-07T11:13:12Z
dc.date.available2026-07-07T11:13:12Z
dc.descriptionExact solutions of traversable wormholes were recently found under the assumption of spherical symmetry and the existence of a non-static conformal symmetry. In this paper, we verify that in the case of the conformally symmetric spacetimes with a non-static vector field generating the symmetry, the conformal factor $ψ$ can be physically interpreted in terms of a measurable quantity, namely, the tangential velocity of a massive test particle moving in a stable circular orbit in the spacetime. Physical properties of the rotational velocity of test particles and of the redshift of radiation emitted by ultra-relativistic particles rotating around these hypothetical general relativistic objects are further discussed. Finally, specific characteristics and properties of gravitational bremsstrahlung emitted by charged particles in geodesic motion in conformally symmetric wormhole geometries are also explored.
dc.description7 pages. V2: clarifying comments added, to appear in Classical and Quantum Gravity
dc.identifierhttps://arxiv.org/abs/0711.2424
dc.identifierhttp://arxiv.org/abs/0711.2424
dc.identifierClass.Quant.Grav.25:075016,2008
dc.identifierdoi:10.1088/0264-9381/25/7/075016
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/191640
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleWormhole geometries with conformal motions
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