Is the CMB revealing signs of pre-inflationary physics?
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909563484110848 |
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| author | Brahma, Suddhasattwa Calderón-Figueroa, Jaime |
| author_facet | Brahma, Suddhasattwa Calderón-Figueroa, Jaime |
| contents | Given the latest observational constraints coming from the joint analyses of the Atacama Cosmology Telescope, the Planck Satellite and other missions, we point out the possibility of reconciling fundamental particle-physics models of inflation with data by considering non-Bunch-Davies initial conditions for primordial density perturbations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_02746 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Is the CMB revealing signs of pre-inflationary physics? Brahma, Suddhasattwa Calderón-Figueroa, Jaime Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Theory Given the latest observational constraints coming from the joint analyses of the Atacama Cosmology Telescope, the Planck Satellite and other missions, we point out the possibility of reconciling fundamental particle-physics models of inflation with data by considering non-Bunch-Davies initial conditions for primordial density perturbations. |
| title | Is the CMB revealing signs of pre-inflationary physics? |
| topic | Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2504.02746 |