4 papers · 1 filter
The -term, CP Model and the Inversion Approach in the Imaginary Method
Masahiro Imachi, Hitoshi Kambayashi, Yasuhiko Shinno +1
The weak coupling region of CP lattice field theory with the -term is investigated. Both the usual real theta method and the imaginary theta method are studied. The latt…
True or Fictitious Flattening? -MEM and the Term-
Masahiro Imachi, Yasuhiko Shinno, Hiroshi Yoneyama
We study the sign problem in lattice field theory with a term. We apply the maximum entropy method (MEM) to flattening phenomenon of the free energy density , which origi…
MEM study of true flattening of free energy and the term
Masahiro Imachi, Yasuhiko Shinno, Hiroshi Yoneyama
We study the sign problem in lattice field theory with a term, which reveals as flattening phenomenon of the free energy density . We report the result of the MEM analysi…
Phase Structures of U(2) Gauge Theory with -Term in 2 dimensions
Masahiro Imachi, Takaaki Kakitsuka, Norimasa Tsuzuki +1
U(2) lattice gauge theory with -term in 2 space-time dimensions is investigated. It has non-Abelian real action and Abelian( U(1) type) imaginary action. The imaginary action is…