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  Inflationary Cosmology and Quantization Ambiguities in Semi-Classical Loop Quantum Gravity

Bojowald, M., Lidsey, J. E., Mulryne, D. J., Singh, P., & Tavakol, R. (2004). Inflationary Cosmology and Quantization Ambiguities in Semi-Classical Loop Quantum Gravity. Physical Review D, 70: 043530. Retrieved from http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=PRVDAQ000070000004043530000001&idtype=cvips.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5119-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-511A-E
Genre: Journal Article

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119225.pdf (Preprint), 237KB
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 Creators:
Bojowald, Martin1, Author
Lidsey, James E., Author
Mulryne, David J., Author
Singh, Parampreet, Author
Tavakol, Reza, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: In loop quantum gravity, modifications to the geometrical density cause a self-interacting scalar field to accelerate away from a minimum of its potential. In principle, this mechanism can generate the conditions that subsequently lead to slow-roll inflation. The consequences for this mechanism of various quantization ambiguities arising within loop quantum cosmology are considered. For the case of a quadratic potential, it is found that some quantization procedures are more likely to generate a phase of slow-roll inflation. In general, however, loop quantum cosmology is robust to ambiguities in the quantization and extends the range of initial conditions for inflation

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Language(s): eng - English
 Dates: 2004
 Publication Status: Published in print
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 70 Sequence Number: 043530 Start / End Page: - Identifier: -