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j.physletb.2015.11.021.pdf | 299.66 kB | Adobe PDF | 見る/開く |
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DCフィールド | 値 | 言語 |
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dc.contributor.author | Lin, Chunshan | en |
dc.contributor.author | Sasaki, Misao | en |
dc.contributor.alternative | 佐々木, 節 | ja |
dc.date.accessioned | 2016-05-11T07:50:19Z | - |
dc.date.available | 2016-05-11T07:50:19Z | - |
dc.date.issued | 2016-01-10 | - |
dc.identifier.issn | 0370-2693 | - |
dc.identifier.uri | http://hdl.handle.net/2433/210545 | - |
dc.description.abstract | We propose a mechanism to evade the Lyth bound in models of inflation. We minimally extend the conventional single-field inflation model in general relativity (GR) to a theory with non-vanishing graviton mass in the very early universe. The modification primarily affects the tensor perturbation, while the scalar and vector perturbations are the same as the ones in GR with a single scalar field at least at the level of linear perturbation theory. During the reheating stage, the graviton mass oscillates coherently and leads to resonant amplification of the primordial tensor perturbation. After reheating the graviton mass vanishes and we recover GR. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Elsevier B.V. | en |
dc.rights | ©2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. | en |
dc.title | Resonant primordial gravitational waves amplification | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.ncid | AA00774026 | - |
dc.identifier.jtitle | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | en |
dc.identifier.volume | 752 | - |
dc.identifier.spage | 84 | - |
dc.identifier.epage | 88 | - |
dc.relation.doi | 10.1016/j.physletb.2015.11.021 | - |
dc.textversion | publisher | - |
dcterms.accessRights | open access | - |
出現コレクション: | 学術雑誌掲載論文等 |
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