A fast C++ implementation of thermal functions

Abstract

We provide a small C++ library with Mathematica and Python interfaces for computing thermal functions, defined JB/F(y2) ∫0∞ x2 [1 e-x2 + y2 ] \,dx, which appear in finite-temperature quantum field theory and play a role in phase-transitions in the early Universe, including baryogenesis, electroweak symmetry breaking and the Higgs mechanism.

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