Dilaton Quantum Cosmology with a Schrödinger-like Equation
Fuente:
Redalyc
Saved in:
| Main Author: | |
|---|---|
| Format: | Artículo científico |
| Language: | en |
| Published: |
Sociedade Brasileira de Física
2012
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1876426682093535232 |
|---|---|
| author | J. C. Fabris |
| author_facet | J. C. Fabris |
| contents | Dilaton Quantum Cosmology with a Schrödinger-like Equation J. C. Fabris F. T. Falciano J. Marto N. Pinto-Neto P. Vargas Moniz Física, Astronomía y Matemáticas Gravitation Quantum gravity Quantum cosmology A quantum cosmological model with radiation and a dilaton scalar field is analyzed. The Wheeler- DeWitt equation in the minisuperspace induces a Schrödinger equation, which can be solved. An explicit wavepacket is constructed for a particular choice of the ordering factor. A consistent solution is possible only when the scalar field is a phantom field. Moreover, although the wavepacket is time-dependent, a Bohmian analysis allows to extract a bouncing behavior for the scale factor. 2012 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46424644021 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.5-6 Vol.42 |
| format | Artículo científico |
| id | redalyc_46424644021 |
| institution | Redalyc |
| language | en |
| publishDate | 2012 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Dilaton Quantum Cosmology with a Schrödinger-like Equation J. C. Fabris Física, Astronomía y Matemáticas Gravitation Quantum gravity Quantum cosmology Dilaton Quantum Cosmology with a Schrödinger-like Equation J. C. Fabris F. T. Falciano J. Marto N. Pinto-Neto P. Vargas Moniz Física, Astronomía y Matemáticas Gravitation Quantum gravity Quantum cosmology A quantum cosmological model with radiation and a dilaton scalar field is analyzed. The Wheeler- DeWitt equation in the minisuperspace induces a Schrödinger equation, which can be solved. An explicit wavepacket is constructed for a particular choice of the ordering factor. A consistent solution is possible only when the scalar field is a phantom field. Moreover, although the wavepacket is time-dependent, a Bohmian analysis allows to extract a bouncing behavior for the scale factor. 2012 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46424644021 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.5-6 Vol.42 |
| title | Dilaton Quantum Cosmology with a Schrödinger-like Equation |
| topic | Física, Astronomía y Matemáticas Gravitation Quantum gravity Quantum cosmology |
| url | https://www.redalyc.org/articulo.oa?id=46424644021 |