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Unitarity problems for an effective field theory description of early universe cosmology
In the context of Effective Field Theory, the Hilbert space of states increases in an expanding universe. Hence, the time evolution cannot be unitary. The formation of structure is usually studied using effective field theory techniques. We study the constraints on effective field theory analyses of...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Springer Berlin Heidelberg
2022
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9477922/ https://www.ncbi.nlm.nih.gov/pubmed/36124290 http://dx.doi.org/10.1140/epjc/s10052-022-10783-2 |