Noether Identities and Gauge-Fixing the Action for Cosmological Perturbations
We propose and develop a general algorithm for finding the action for cosmological perturbations which rivals the conventional, gauge-invariant approach and can be applied to theories with more than one metric. We then apply it to a particular case of bigravity, focusing on the Eddington- inspired B...
मुख्य लेखकों: | Lagos, M, Bañados, M, Ferreira, P, García-Sáenz, S |
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स्वरूप: | Journal article |
प्रकाशित: |
2013
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समान संसाधन
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