Spherically symmetric selfdual Yang-Mills instantons on curved backgrounds in all even dimensions

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dc.creatorRadu, Eugen
dc.creatorTchrakian, D. H.
dc.creatorYang, Yisong
dc.date2007-07-09
dc.date.accessioned2026-07-07T11:17:40Z
dc.date.available2026-07-07T11:17:40Z
dc.descriptionWe present several different classes of selfdual Yang-Mills instantons in all even d backgrounds with Euclidean signature. In d=4p+2 the only solutions we found are on constant curvature dS and AdS backgrounds, and are evaluated in closed form. In d=4p an interesting class of instantons are given on black hole backgrounds. One class of solutions are (Euclidean) time-independent and spherically symmetric in d-1 dimensions, and the other class are spherically symmetric in all d dimensions. Some of the solutions in the former class are evaluated numerically, all the rest being given in closed form. Analytic proofs of existence covering all numerically evaluated solutions are given. All instantons studied have finite action and vanishing energy momentum tensor and do not disturb the geometry.
dc.description41 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0707.1270
dc.identifierhttp://arxiv.org/abs/0707.1270
dc.identifierPhys.Rev.D77:044017,2008
dc.identifierdoi:10.1103/PhysRevD.77.044017
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193082
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleSpherically symmetric selfdual Yang-Mills instantons on curved backgrounds in all even dimensions
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