Casimir effect in a wormhole spacetime

Details Casimir effect in a wormhole spacetime Casimir effect in a wormhole spacetime

2005-10-27

arxiv.org/abs/hep-th/0510232v2

Class.Quant.Grav. 23 (2006) 627-634

Physics

High Energy Physics

High Energy Physics - Theory

2 figures, 10 pages, added 2 references

Scientific paper

10.1088/0264-9381/23/3/006

We consider the Casimir effect for quantized massive scalar field with non-conformal coupling $\xi$ in a spacetime of wormhole whose throat is rounded by a spherical shell. In the framework of zeta-regularization approach we calculate a zero point energy of scalar field. We found that depending on values of coupling $\xi$, a mass of field $m$, and/or the throat's radius $a$ the Casimir force may be both attractive and repulsive, and even equals to zero.

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