Localizability in de Sitter space
Contribuinte(s) |
UNIVERSIDADE DE SÃO PAULO |
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Data(s) |
29/10/2013
29/10/2013
2012
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Resumo |
An analogue of the Newton-Wigner position operator is defined for a massive neutral scalar field in de Sitter space. The one-particle subspace of the theory, consisting of positive-energy solutions of the Klein-Gordon equation selected by the Hadamard condition, is identified with an irreducible representation of the de Sitter group. Postulates of localizability analogous to those written by Wightman for fields in Minkowski space are formulated on it, and a unique solution is shown to exist. Representations in both the principal and the complementary series are considered. A simple expression for the time evolution of the Newton-Wigner operator is presented. FAPESP FAPESP [2007/55450-0] Erwin Schrodinger Institute, Vienna |
Identificador |
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, v. 45, n. 36, pp. 155-161, SEP 14, 2012 1751-8113 http://www.producao.usp.br/handle/BDPI/36190 10.1088/1751-8113/45/36/365401 |
Idioma(s) |
eng |
Publicador |
IOP PUBLISHING LTD BRISTOL |
Relação |
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL |
Direitos |
restrictedAccess Copyright IOP PUBLISHING LTD |
Palavras-Chave | #QUANTUM-FIELD-THEORY #STATES #LOCALIZATION #SUPERNOVAE #MECHANICS #PHYSICS, MULTIDISCIPLINARY #PHYSICS, MATHEMATICAL |
Tipo |
article original article publishedVersion |