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  Formation and Evolution of Structure in Loop Cosmology

Bojowald, M., Hernandez, H. H., Kagan, M., Singh, P., & Skirzewski, A. (2007). Formation and Evolution of Structure in Loop Cosmology. Physical Review Letters, 98: 031301. doi:10.1103/PhysRevLett.98.031301.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-48D4-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-48D5-D
Genre: Journal Article

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0611685.pdf (Preprint), 113KB
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 Creators:
Bojowald, Martin1, Author
Hernandez, Hector H.1, Author
Kagan, Mikhail, Author
Singh, Parampreet, Author
Skirzewski, Aureliano1, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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 Abstract: Inhomogeneous cosmological perturbation equations are derived in loop quantum gravity, taking into account corrections in particular in gravitational parts. This provides a framework for calculating the evolution of modes in structure formation scenarios related to inflationary or bouncing models. Applications here are corrections to the Newton potential and to the evolution of large scale modes which imply non-conservation of curvature perturbations possibly noticeable in a running spectral index. These effects are sensitive to quantization procedures and test the characteristic behavior of correction terms derived from quantum gravity.

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 Dates: 2007
 Publication Status: Published in print
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 Identifiers: eDoc: 293611
URI: http://link.aps.org/abstract/PRL/v98/e031301
DOI: 10.1103/PhysRevLett.98.031301
Other: arXiv:astro-ph/0611685
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 98 Sequence Number: 031301 Start / End Page: - Identifier: -