Hybrid Monte Carlo without pseudofermions

K. F. Liu, S. J. Dong, C. Thron

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We introduce a dynamical fermion algorithm which is based on the hybrid Monte Carlo (HMC) algorithm, but without pseudofermions. The molecular dynamics steps in HMC are retained except the derivatives with respect to the gauge fields are calculated with the Z2 noise. The determinant ratios are estimated with the Pad̀e - Z2 method. Finally, we use the Kennedy-Kuti linear accept/reject test for the Monte Carlo step which is shown to respect detailed balance. We comment on the comparison of this algorithm with the pseudofermion algorithm.

Original languageEnglish
Pages (from-to)980-982
Number of pages3
JournalNuclear Physics B - Proceedings Supplements
Issue number1-3
StatePublished - Feb 1997

Bibliographical note

Funding Information:
*This work is partially supported by DOE grant No. DE-FG05-84ER40154.

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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