Cosmological perturbations in inflation with multiple sound speeds

DOI10.1016/J.NUCLPHYSB.2012.04.017zbMath1246.83270arXiv1107.0813OpenAlexW1662424895MaRDI QIDQ447401

Du Wang, Shi Pi

Publication date: 3 September 2012

Published in: Nuclear Physics. B (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1107.0813

zbMATH Keywords

power spectrumcosmological perturbationcurvature perturbationmulti-speed inflation

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Gravitational interaction in quantum theory (81V17) Methods of quantum field theory in general relativity and gravitational theory (83C47) Commutation relations and statistics as related to quantum mechanics (general) (81S05)

Related Items (1)

Non-Gaussianity in multi-sound-speed disformally coupled inflation

Cites Work

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• Multiple \(\text{D}p\)-branes in weak background fields
• Large \(N\) field theories, string theory and gravity
• Curvature perturbations and non-Gaussianities from the waterfall phase transition during inflation
• Brane inflation.
• \(k\)-inflation
• Perturbations in \(k\)-inflation
• Generating the curvature perturbation without an inflaton

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