Quantum Effects in the Presence of Expanding Semi-Transparent Spherical Mirrors

Details Quantum Effects in the Presence of Expanding Semi-Transparent Spherical Mirrors Quantum Effects in the Presence of Expanding Semi-Transparent Spherical Mirrors

1999-07-23

arxiv.org/abs/gr-qc/9907073v2

Class.Quant.Grav. 16 (1999) 3693-3716

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

28 pages, Paper is slightly reorganized, additional references are added

Scientific paper

10.1088/0264-9381/16/11/315

We study quantum effects in the presence of a spherical semi-transparent mirror or a system of two concentric mirrors which expand with a constant acceleration in a flat D-dimensional spacetime. Using the Euclidean approach, we obtain expressions for fluctuations and the renormalized value of stress-energy tensor for a scalar non-minimally coupled massless field. Explicit expressions are obtained for the energy fluxes at the null infinity generated by such mirrors in the physical spacetime and their properties are discussed.

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