Classical and Quantum Cosmology of Multigravity
| Autor: | Kazuhiko Shinoda, Teruki Hanada, Koichiro Kobayashi, Kiyoshi Shiraishi |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2010 |
| Předmět: |
Physics
Physics and Astronomy (miscellaneous) Compactification (physics) Discretization Cartan formalism Nonlinear theory FOS: Physical sciences General Relativity and Quantum Cosmology (gr-qc) General Relativity and Quantum Cosmology Acceleration Theoretical physics Quantum cosmology Quantum Closed circuit |
| Popis: | Recently, a multigraviton theory on a simple closed circuit graph corresponding to the discretization of $S^1$ compactification of the Kaluza-Klein (KK) theory has been considered. In the present paper, we extend this theory to that on a general graph and study what modes of particles are included. Furthermore, we generalize it in a possible nonlinear theory based on the vierbein formalism and study classical and quantum cosmological solutions in the theory. We found that scale factors in a solution for this theory repeat acceleration and deceleration. 17 pages, 15 figures, RevTeX4.1, revised version |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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