scholarly journals In–out propagator in de Sitter space from general boundary quantum field theory

2015 ◽  
Vol 748 ◽  
pp. 70-73 ◽  
Author(s):  
Daniele Colosi
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Boundary Quantum Field Theory ◽  
De Sitter Space ◽  
General Boundary ◽  
Quantum Field ◽  
De Sitter

Quantum field theory in anti-de Sitter space-time

1978 ◽  
Vol 18 (10) ◽  
pp. 3565-3576 ◽  
Author(s):  
S. J. Avis ◽  
C. J. Isham ◽  
D. Storey
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
De Sitter Space ◽  
Space Time ◽  
Quantum Field ◽  
De Sitter

scholarly journals TOWARDS A CPT INVARIANT QUANTUM FIELD THEORY ON ELLIPTIC DE SITTER SPACE

2008 ◽  
Vol 23 (12) ◽  
pp. 1821-1838 ◽  
Author(s):  
ZHE CHANG ◽  
XIN LI
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Complete Information ◽  
De Sitter Space ◽  
Quantum Field ◽  
De Sitter ◽  
Cpt Invariance ◽  
Spinor Fields ◽  
Invariant Quantum ◽  
Antipodal Identification

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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