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Casimir densities outside a constant curvature spherical bubble
Institute of Applied Problems of Physics of NAS RA, Armenia
Physics ; Quantum mechanics, field theories, and special relativity
We investigate the Wightman function and the vacuum expectation values of the field squared and energy-momentum tensor for a massive scalar field with general curvature coupling outside a spherical bubble in Minkowski spacetime. The geometry inside the bubble corresponds to a space with constant negative curvature. The asymptotic behavior of the expectation values is studied for small values of the bubble radius and at large distances.