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29 March 2024 |
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Expectation values and vacuum currents of quantum fields | G. A. Vilkovisky
; | Date: |
20 Dec 2007 | Abstract: | Theory of expectation values is presented as an alternative to S-matrix
theory for quantum fields. This change of emphasis is conditioned by a
transition from the accelerator physics to astrophysics and cosmology. The
issues discussed are the time-loop formalism, the Schwinger - Keldysh diagrams,
the effective action, the vacuum currents, and the effect of particle creation. | Source: | arXiv, 0712.3379 | Services: | Forum | Review | PDF | Favorites |
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