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Type: Artigo de periódico
Title: Nonexistence theorems for traversable wormholes
Author: Saa, A
Abstract: Gauss-Bonnet formula is used to derive a new and simple theorem of nonexistence of vacuum static nonsingular Lorentzian wormholes. We also derive simple proofs for the nonexistence of Lorentzian wormhole solutions for some classes of static matter such as, for instance, real scalar fields with a generic potential obeying phi V'(phi) greater than or equal to 0 and massless fermion fields.
Country: Singapura
Editor: World Scientific Publ Co Pte Ltd
Rights: fechado
Identifier DOI: 10.1142/S0217732399000882
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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