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The Taming of Closed Time-like Curves
We formulate QFT on a $R^{1,d}/Z_2$ orbifold, in a manner which is invariant under the $Z_2$ time and space reversal. This is a background with closed time-like curves. It is also relevant for the elliptic interpretation of de Sitter space. We calculate the one-loop vacuum expectation value of the s...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
2003
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/1126-6708/2004/01/064 http://cds.cern.ch/record/614446 |