# A fast C++ implementation of thermal functions

Published: 15 March 2018| Version 1 | DOI: 10.17632/5nzrr2jjpd.1

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## Description

We provide a small C++ library with Mathematica and Python interfaces for computing thermal functions, defined $$J_\text{B/F}(y^2) \equiv \Re \int_0^\infty x^2 \log\left[1 \mp e^{-\sqrt{x^2 + y^2}} \right] \dif{x}$$ 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. The code is available from https://github.com/andrewfowlie/thermal_funcs.

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Computational Physics