Weak and strong quantum vacuum: Properties of the different vacua
The ideas, definitions, and results of Castagnino and of Castagnino and Mazzitelli are improved and developed in a more general geometry. Also, a more satisfactory definition of the weak vacuum (defined by the coincidence of a local and a global property up to the lowest order) is introduced which y...
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| Autores principales: | , |
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1986
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562821_v34_n12_p3676_Castagnino http://hdl.handle.net/20.500.12110/paper_05562821_v34_n12_p3676_Castagnino |
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| Sumario: | The ideas, definitions, and results of Castagnino and of Castagnino and Mazzitelli are improved and developed in a more general geometry. Also, a more satisfactory definition of the weak vacuum (defined by the coincidence of a local and a global property up to the lowest order) is introduced which yields a renormalization vacuum expectation value of the energy-momentum tensor. It is proved that a strong vacuum (defined by the same coincidence up to all orders) exists only in two particular cases: if there exists a Killing vector field or in the conformal massless case. © 1986 The American Physical Society. |
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