Laine, M.; Niemi, L.; Procacci, S.; Rummukainen, K. (2022). Shape of the hot topological charge density spectral function. Journal of High Energy Physics, 2022(11) Springer 10.1007/JHEP11(2022)126
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After motivating an interest in the shape of the topological charge density spectral function in hot Yang-Mills theories, we estimate it with the help of thermally averaged classical real-time simulations, for Nc = 2, 3. After subtracting a perturbative contribution at large frequencies, we observe a non-trivial shape at small frequencies (a dip rather than a peak), interpolating smoothly towards the sphaleron rate at zero frequency. Possible frequency scales making an appearance in this shape are discussed. Implications for warm axion inflation and reheating, and for imaginary-time lattice measurements of the strong sphaleron rate, are recapitulated.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
08 Faculty of Science > Institute of Theoretical Physics 10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC) |
UniBE Contributor: |
Laine, Mikko Sakari, Procacci, Simona |
Subjects: |
500 Science > 530 Physics |
ISSN: |
1029-8479 |
Publisher: |
Springer |
Language: |
English |
Submitter: |
Binia Marti |
Date Deposited: |
17 Mar 2023 15:29 |
Last Modified: |
17 Mar 2023 23:27 |
Publisher DOI: |
10.1007/JHEP11(2022)126 |
BORIS DOI: |
10.48350/179874 |
URI: |
https://boris.unibe.ch/id/eprint/179874 |
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