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31 July 2023 to 4 August 2023
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Sphaleron rate as an inverse problem: a novel lattice approach

3 Aug 2023, 14:10
20m
Sunrise (WH11NE)

Sunrise

WH11NE

Speaker

Manuel Naviglio (Pisa U., INFN)

Description

We compute the sphaleron rate on the lattice. We adopt a novel strategy based on the extraction of the spectral density via a modified version of the Backus-Gilbert method from finite-lattice-spacing and finite-smoothing-radius Euclidean topological charge density correlators. The physical sphaleron rate is computed by performing controlled continuum limit and zero-smoothing extrapolations.

Topical area QCD at Non-zero Temperature

Primary authors

Claudio Bonanno (IFT UAM/CSIC Madrid) Francesco D'Angelo (University of Pisa and INFN Pisa) Manuel Naviglio (Pisa U., INFN) Lorenzo Maio (INFN and University of Pisa) Massimo D'Elia (University of Pisa and INFN Pisa)

Presentation materials