期刊
CLASSICAL AND QUANTUM GRAVITY
卷 29, 期 8, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/29/8/085005
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- Le Fonds quebecois de la Recherche sur la Nature et les Technologies
We study the dynamics of the scalar modes of linear perturbations around a flat, homogeneous and isotropic background in loop quantum cosmology. The equations of motion include quantum geometry effects and are expected to hold at all curvature scales so long as the wavelengths of the inhomogeneous modes of interest remain larger than the Planck length. These equations are obtained by including holonomy corrections in an effective Hamiltonian and then using the standard variational principle. We show that the effective scalar and diffeomorphism constraints are preserved by the dynamics. We also make some comments regarding potential inverse triad corrections.
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