Vacuum quantum effect for curved boundaries in static Robertson–Walker space–time |
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Authors: | MR Setare J Sadeghi |
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Institution: | aDepartment of Science, Payame Noor University, Bijar, Iran;bSciences Faculty, Department of Physics, Mazandaran University, PO Box 47415-416, Babolsar, Iran |
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Abstract: | The energy–momentum tensor for a massless conformally coupled scalar field in the region between two curved boundaries in k=−1 static Robertson–Walker space–time is investigated. We assume that the scalar field satisfies the Dirichlet boundary condition on the boundaries. k=−1 Robertson–Walker space is conformally related to the Rindler space, as a result we can obtain vacuum expectation values of energy–momentum tensor for conformally invariant field in Robertson–Walker space from the corresponding Rindler counterpart by the conformal transformation. |
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