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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/23204
Título: 
The light-cone gauge without prescriptions
Autor(es): 
Instituição: 
Universidade Estadual Paulista (UNESP)
ISSN: 
0033-068X
Resumo: 
Feynman integrals in the physical light-cone gauge are more difficult to solve than their covariant counterparts. The difficulty is associated with the presence of unphysical singularities due to the inherent residual gauge freedom in the intermediate boson propagators constrained within this gauge choice. In order to circumvent these non-physical singularities, the headlong approach has always been to call for mathematical devices - prescriptions - some successful and others not. A more elegant approach is to consider the propagator from its physical point of view, that is, an object obeying basic principles such as causality. Once this fact is realized and carefully taken into account, the crutch of prescriptions can be avoided altogether. An alternative, third approach, which for practical computations could dispense with prescriptions as well as avoiding the necessity of careful stepwise consideration of causality, would be of great advantage. and this third option is realizable within the context of negative dimensions, or as it has been coined, the negative dimensional integration method (NDIM).
Data de publicação: 
1-Mai-2000
Citação: 
Progress of Theoretical Physics. Kyoto: Progress Theoretical Physics Publication Office, v. 103, n. 5, p. 1011-1019, 2000.
Duração: 
1011-1019
Publicador: 
Progress Theoretical Physics Publication Office
Fonte: 
http://dx.doi.org/10.1143/PTP.103.1011
Endereço permanente: 
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/23204
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