Minus Sign Problem in the Monte Carlo Simulation of Lattice Fermion Systems

Nobuo Furukawa, Masatoshi Imada

研究成果: Article

30 引用 (Scopus)

抜粋

The minus sign problem, as a problem of the non-positive-definite measure of the path integrals, is examined in the Monte Carlo simulation of the Hubbard model. A new correction method in terms of the ratio of two measured quantities is proposed to calculate physical properties. The momentum distribution and the spin correlation as well as the energy in the ground state are tested against the exactly diagonalized results. The results show that this ratio correction method is a promising prescription to reduce the minus sign problem.

元の言語English
ページ(範囲)810-824
ページ数15
ジャーナルjournal of the physical society of japan
60
発行部数3
DOI
出版物ステータスPublished - 1991 3

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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