Efficient implementation of the continuous-time interaction-expansion quantum Monte Carlo method

Hiroshi Shinaoka, Yusuke Nomura, Emanuel Gull

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We describe an open-source implementation of the continuous-time interaction-expansion quantum Monte Carlo method for cluster-type impurity models with onsite Coulomb interactions and complex Weiss functions. The code is based on the ALPS libraries. Program summary: Program Title: ALPS CT-INT Program Files doi: http://dx.doi.org/10.17632/h2vsp2t84r.1 Licensing provisions: GPLv3 Programming language: C++, MPI for parallelization. External routines/libraries: ALPSCore libraries, Eigen3, Boost. Nature of problem: Quantum impurity problem Solution method: Continuous-time interaction expansion quantum Monte Carlo

Original languageEnglish
Article number106826
JournalComputer Physics Communications
Volume252
DOIs
Publication statusPublished - 2020 Jul
Externally publishedYes

Keywords

  • Complex Green's functions
  • Continuous-time impurity solver
  • Dynamical mean-field theory
  • Interaction expansion
  • Quantum impurity problems

ASJC Scopus subject areas

  • Hardware and Architecture
  • Physics and Astronomy(all)

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