Canonical realization of Bondi-Metzner-Sachs symmetry: Quadratic Casimir

We study the canonical realization of Bondi-Metzner-Sacks symmetry for a massive scalar field introduced by Longhi and Materassi [J. Math. Phys. 40, 480 (1999)]. We construct an invariant scalar product for the generalized momenta. As a consequence we introduce a quadratic Casimir with the supertran...

ver descrição completa

Detalhes bibliográficos
Autores: Gomis Torné, Joaquim, Longhi, Giorgio
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2016
País:España
Recursos:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/142200
Acesso em linha:https://hdl.handle.net/2445/142200
Access Level:acceso abierto
Palavra-chave:Teoria quàntica
Simetria (Física)
Quantum theory
Symmetry (Physics)
Descrição
Resumo:We study the canonical realization of Bondi-Metzner-Sacks symmetry for a massive scalar field introduced by Longhi and Materassi [J. Math. Phys. 40, 480 (1999)]. We construct an invariant scalar product for the generalized momenta. As a consequence we introduce a quadratic Casimir with the supertranslations.