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http://hdl.handle.net/2445/12471| Title: | Energy-momentum tensor for scalar fields coupled to the dilaton in two dimensions |
| Author: | Lombardo, Fernando C. Mazzitelli, Francisco D. Russo, J. G. (Jorge Guillermo) |
| Keywords: | Relativitat general (Física) Gravitació General relativity (Physics) Gravitation |
| Issue Date: | 1999 |
| Publisher: | The American Physical Society |
| Abstract: | We clarify some issues related to the evaluation of the mean value of the energy-momentum tensor for quantum scalar fields coupled to the dilaton field in two-dimensional gravity. Because of this coupling, the energy-momentum tensor for matter is not conserved and therefore it is not determined by the trace anomaly. We discuss different approximations for the calculation of the energy-momentum tensor and show how to obtain the correct amount of Hawking radiation. We also compute cosmological particle creation and quantum corrections to the Newtonian potential. |
| Note: | Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevD.59.064007 |
| It is part of: | Physical Review D, 1999, vol. 59, núm. 6, p. 064007-1-064007-8 |
| URI: | http://hdl.handle.net/2445/12471 |
| Related resource: | http://dx.doi.org/10.1103/PhysRevD.59.064007 |
| ISSN: | 0556-2821 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 512100.pdf | 181.82 kB | Adobe PDF | View/Open |
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