TL;DR
This paper introduces libami, a C++ library that automates the analytical evaluation of nested Matsubara integrals common in Feynman perturbation theory, streamlining complex quantum calculations.
Contribution
libami is a lightweight, efficient implementation of algorithmic Matsubara integration, facilitating analytical solutions in many-body quantum physics.
Findings
Reduces computational complexity of Matsubara integrals
Enables faster analytical evaluations in perturbative expansions
Provides a practical tool for quantum many-body calculations
Abstract
We present libami, a lightweight implementation of algorithmic Matsubara integration (AMI) written in C++. AMI is a tool for analytically resolving the sequence of nested Matsubara integrals that arise in virtually all Feynman perturbative expansions.
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