Perturbations in loop quantum cosmology

7th International Conference on Gravitation and Cosmology

Nelson, W.^1 ; Agullo, I.^1 ; Ashtekar, A.^1

Institute for Gravitation and the Cosmos, Pennsylvanian State University, United States^1

关键词: Cosmological parameters;    Loop quantum cosmologies;    Power-spectra;    Quantum gravity;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/484/1/012069/pdf
DOI  :  10.1088/1742-6596/484/1/012069

来源: IOP

【 摘 要 】

The era of precision cosmology has allowed us to accurately determine many important cosmological parameters, in particular via the CMB. Confronting Loop Quantum Cosmology with these observations provides us with a powerful test of the theory. For this to be possible, we need a detailed understanding of the generation and evolution of inhomogeneous perturbations during the early, quantum gravity phase of the universe. Here, we have described how Loop Quantum Cosmology provides a completion of the inflationary paradigm, that is consistent with the observed power spectra of the CMB.