期刊
MODERN PHYSICS LETTERS A
卷 33, 期 2, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217732318500141
关键词
Horava-Lifshitz gravity; quantum cosmology; big bang singularity; De Broglie-Bohm interpretation
资金
- CAPES
- UERJ via FAPERJ
In this paper, we consider the De Broglie-Bohm interpretation of a Horava-Lifshitz quantum cosmology model in the presence of a radiation perfect fluid. We compute the Bohm's trajectory for the scale factor and show that it never goes to zero. That result gives a strong indication that this model is free from singularities at the quantum level. We also compute the quantum potential. That quantity helps in understanding why the scale factor never vanishes.
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