Towards a CPT Invariant Quantum Field Theory on Elliptic de Sitter Space
Zhe. Chang, Xin. Li
Abstract
Consequences of Schrödinger's antipodal identification on quantum field theory in de Sitter space are investigated. The elliptic Z2 identification provides observers with complete information. We show that a suitable confinement on dimension of the elliptic de Sitter space guarantees the existence of globally defined spinors and orientable dS/Z2 manifold. In Beltrami coordinates, we give exact solutions of scalar and spinor fields. The CPT invariance of quantum field theory on the elliptic de Sitter space is presented explicitly.
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