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Loop quantum gravity and the CMB: toward pre-big bounce cosmology

Abstract : The loop approach to quantum gravity is the most promising way to derive a background-independent quantization of general relativity. Interestingly, it was shown in the last years that cosmological observations -in particular with tensor modes in the primordial spectrum- could open a new window to observationally probe quantum gravity. I will briefly review the current situation and, assuming a standard evolution for the background, underline the missing links to build a fully consistent framework.
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Conference papers
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http://hal.in2p3.fr/in2p3-00404269
Contributor : Emmanuelle Vernay <>
Submitted on : Friday, November 20, 2009 - 10:05:42 AM
Last modification on : Thursday, November 19, 2020 - 12:58:26 PM

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  • HAL Id : in2p3-00404269, version 1
  • ARXIV : 0911.3745

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A. Barrau. Loop quantum gravity and the CMB: toward pre-big bounce cosmology. 12th Marcel Grossmann Meeting (MG12), Jul 2009, Paris, France. pp.2417-2419. ⟨in2p3-00404269⟩

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