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De Sitter diagrammar and the resummation of time
Abstract Light scalars in inflationary spacetimes suffer from logarithmic infrared divergences at every order in perturbation theory. This corresponds to the scalar field values in different Hubble patches undergoing a random walk of quantum fluctuations, leading to a simple toy “landscape” on super...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
SpringerOpen
2020-07-01
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| Colecção: | Journal of High Energy Physics |
| Assuntos: | |
| Acesso em linha: | http://link.springer.com/article/10.1007/JHEP07(2020)119 |
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