Gradient corrections to the quantum effective action
Abstract We derive the quantum effective action up to second order in gradients and up to two-loop order for an interacting scalar field theory. This expansion of the effective action is useful to study problems in cosmological settings where spatial or time gradients are important, such as bubble n...
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| Główni autorzy: | , |
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| Format: | Artigo |
| Język: | Inglês |
| Wydane: |
SpringerOpen
2024-12-01
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| Seria: | Journal of High Energy Physics |
| Hasła przedmiotowe: | |
| Dostęp online: | https://doi.org/10.1007/JHEP12(2024)037 |
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