Hamiltonian cosmological perturbation theory with loop quantum gravity corrections

Details Hamiltonian cosmological perturbation theory with loop quantum gravity corrections Hamiltonian cosmological perturbation theory with loop quantum gravity corrections

2006-09-15

arxiv.org/abs/gr-qc/0609057v2

Phys.Rev.D74:123512,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

24 pages, 1 figure

Scientific paper

10.1103/PhysRevD.74.123512

Cosmological perturbation equations are derived systematically in a canonical scheme based on Ashtekar variables. A comparison with the covariant derivation and various subtleties in the calculation and choice of gauges are pointed out. Nevertheless, the treatment is more systematic when correction terms of canonical quantum gravity are to be included. This is done throughout the paper for one characteristic modification expected from loop quantum gravity.

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