CP breaking in lattice chiral gauge theory
Kazuo Fujikawa, Masato Ishibashi, Hiroshi Suzuki
TL;DR
This paper investigates the origins of CP symmetry breaking in lattice chiral gauge theory, specifically analyzing how the Ginsparg-Wilson operator affects CP invariance.
Contribution
It precisely identifies the specific points where CP breaking effects emerge in the context of the Ginsparg-Wilson operator in lattice chiral gauge theory.
Findings
CP breaking effects are localized in the Ginsparg-Wilson operator
The origin of CP violation is explicitly characterized
Implications for lattice chiral gauge theory formulations
Abstract
The CP symmetry is not manifestly implemented for the local and doubler-free Ginsparg-Wilson operator in lattice chiral gauge theory. We precisely identify where the effects of this CP breaking appear.
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