The minimum length problem of loop quantum cosmology

Details The minimum length problem of loop quantum cosmology The minimum length problem of loop quantum cosmology

2008-10-17

arxiv.org/abs/0810.3172v3

Acta Phys. Polon. B41:717,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, no figures, revtex4; version published by Acta Physica Polonica

Scientific paper

The appearance of the big bounce (BB) in the evolution of the universe is analyzed in the setting of loop quantum cosmology (LQC). Making use of an idea of a minimum length turns classical Big Bang into BB. We argue why the spectrum of the kinematical area operator of loop quantum gravity cannot be used for the determination of this length. We find that the fundamental length, at the present stage of development of LQC, is a free parameter of this model.

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