期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.211302
关键词
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资金
- NSF [PHY0748336]
- JSPS [30318802, 21111006]
- Grants-in-Aid for Scientific Research [20740148, 21111006] Funding Source: KAKEN
In the inflationary scenario of loop quantum cosmology in the presence of inverse-volume corrections, we give analytic formulas for the power spectra of scalar and tensor perturbations convenient to compare with observations. Since inverse-volume corrections can provide strong contributions to the running spectral indices, inclusion of terms higher than the second-order runnings in the power spectra is crucially important. Using the recent data of cosmic microwave background and other cosmological experiments, we place bounds on the quantum corrections.
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