Abelian Gauge Theory in de Sitter Space

Details Abelian Gauge Theory in de Sitter Space Abelian Gauge Theory in de Sitter Space

2005-02-05

arxiv.org/abs/gr-qc/0502019v2

Mod.Phys.Lett. A20 (2005) 2387-2396

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, typos corrected, reference added

Scientific paper

10.1142/S0217732305018347

Quantization of spinor and vector free fields in 4-dimensional de Sitter space-time, in the ambient space notation, has been studied in the previous works. Various two-points functions for the above fields are presented in this paper. The interaction between the spinor field and the vector field is then studied by the abelian gauge theory. The U(1) gauge invariant spinor field equation is obtained in a coordinate independent way notation and their corresponding conserved currents are computed. The solution of the field equation is obtained by use of the perturbation method in terms of the Green's function. The null curvature limit is discussed in the final stage.

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