arXiv:hep-lat/0409053·v1·High Energy Physics — Lattice
Is there an Aoki phase in quenched QCD?
Maarten Golterman (SFSU)🇺🇸 · Stephen Sharpe (Univ. Washington)🇺🇸 · Robert Singleton Jr. (LANL)🇺🇸
Abstract
We argue that quenched QCD has non-trivial phase structure for negative quark mass, including the possibility of a parity-flavor breaking Aoki phase. This has implications for simulations with domain-wall or overlap fermions.
Comments: Parallel talk presented at Lattice2004(spectrum), Fermilab, June 21-26, 2004