Bianchi type-I string cosmological model in the presence of a magnetic field: classical versus loop quantum cosmology approaches. (English) Zbl 1284.83200
Summary: A Bianchi type-I cosmological model in the presence of a magnetic flux along a cosmological string is considered. The first objective of this study is to investigate Einstein equations using a tractable assumption usually accepted in the literature. Quantum effects of the present cosmological model are examined in the framework of loop quantum cosmology. Finally we draw a parallel between the classical and quantum approaches.
MSC:
| 83F05 | Relativistic cosmology |
| 83E99 | Unified, higher-dimensional and super field theories |
| 81T30 | String and superstring theories; other extended objects (e.g., branes) in quantum field theory |
| 83C47 | Methods of quantum field theory in general relativity and gravitational theory |
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