Polarized vector bosons on the de Sitter expanding universe

Details Polarized vector bosons on the de Sitter expanding universe Polarized vector bosons on the de Sitter expanding universe

2009-01-21

arxiv.org/abs/0901.3207v3

Gen.Rel.Grav.42:861-876,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages no figures

Scientific paper

10.1007/s10714-009-0886-7

The quantum theory of the vector field minimally coupled to the gravity of the de Sitter spacetime is built in a canonical manner starting with a new complete set of quantum modes of given momentum and helicity derived in the moving chart of conformal time. It is shown that the canonical quantization leads to new vector propagators which satisfy similar equations as the propagators derived by Tsamis and Woodard [{\em J.Math.Phys.} {\bf 48} (2007) 052306] but having a different structure. The one-particle operators are also written down pointing out that their properties are similar with those found already in the quantum theory of the scalar, Dirac and Maxwell free fields.

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