Melvin space-times in supergravity

dc.contributor.author	Sabra, Wafic A.
dc.contributor.department	Department of Physics
dc.contributor.faculty	Faculty of Arts and Sciences (FAS)
dc.contributor.institution	American University of Beirut
dc.date.accessioned	2025-01-24T11:25:22Z
dc.date.available	2025-01-24T11:25:22Z
dc.date.issued	2023
dc.description.abstract	We consider Melvin-like cosmological and static solutions for the theories of N=2, D=4 supergravity coupled to vector multiplets. We analyze the equations of motion and give some explicit solutions with one scalar and two gauge fields. Generalized Melvin solutions with four charges are also constructed for an embedding of a truncated N=8 supergravity theory. Our results are then extended to supergravity theories with the scalar manifolds SL(N,R)/SO(N,R). It is shown that solutions with N charges only exist for N=8, 6 and 5 corresponding to theories with space-time dimensions D=4, 5 and 7. © 2023 The Author(s)
dc.identifier.doi	https://doi.org/10.1016/j.physletb.2023.138307
dc.identifier.eid	2-s2.0-85176282820
dc.identifier.uri	http://hdl.handle.net/10938/26312
dc.language.iso	en
dc.publisher	Elsevier B.V.
dc.relation.ispartof	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.source	Scopus
dc.subject	Nuclear and high energy physics
dc.title	Melvin space-times in supergravity
dc.type	Article

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