Dirac fermions on an anti-de Sitter background

Abstract

Using an exact expression for the bi-spinor of parallel transport, we construct the Feynman propagator for Dirac fermions in the vacuum state on anti-de Sitter space-time. We compute the vacuum expectation value of the stress-energy tensor by removing coincidence-limit divergences using the Hadamard method. We then use the vacuum Feynman propagator to compute thermal expectation values at finite temperature. We end with a discussion of rigidly rotating thermal states.

arXiv comment10 pages, 4 figures, submitted to the proceedings of the TIM-13 Physics Conference, 21-24 November 2013, Timisoara, Romania

References in corpus (1)

• Rotating quantum states

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