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CASIMIR ENERGY IN A CURVED BACKGROUND WITH A SPHERICAL BOUNDARY AND ARBITRARY RADIUS - AN EXACT SOLUTION VIA THE POINT SPLITTING METHOD
Date
1994-05-15
Author
BAYM, SS
OZCAN, M
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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We calculate the renormalized quantum vacuum energy-momentum tensor inside a spherical boundary, where the background geometry inside the boundary is represented by the closed static Friedmann metric. The remormalized energy density has two terms, one of which comes from the local curvature and the other one is due to the presence of the boundary. The renormalized energy density has a nonintegrable divergence as the boundary is approached.
Subject Keywords
Adiabatic regularization
,
Field-rheory
,
Stress
URI
https://hdl.handle.net/11511/64518
Journal
PHYSICAL REVIEW D
DOI
https://doi.org/10.1103/physrevd.49.5313
Collections
Department of Physics, Article