Casimir-like corrections to the classical tensions of the strings and membranes release_fuutxmxakrcs7poppmpbfx3cw4

by Y. Koohsarian, A. Shirzad

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2013  

Abstract

We find the Casimir-like energies for strings and membranes. We show that the related Casimir forces can be interpreted as quantum corrections to the classical tensions of the strings and membranes. We see that these corrections always increase the tensions of the circular string as well as spherical membrane, while for the straight string, rectangular and cylindrical membranes, these Casimir forces may increase or decrease the tensions. So we find that the quantum vacuum can break the (tensional) isotropy of the rectangular and cylindrical membranes. Also obtaining the nonzero-temperature Casimir energy, we find relations for the tensions at nonzero temperature.
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Type  article
Stage   submitted
Date   2013-12-31
Version   v6
Language   en ?
arXiv  1312.0536v6
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