Phys. Rev. D 58, 027502 (1998) [4 pages]

Note on the point-splitting procedure to evaluate vacuum fluctuation in certain cylindrically symmetric backgrounds

Abstract

References

Citing Articles (1)

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I. Brevik^*
Department of Applied Mechanics, Norwegian University of Science and Technology, N-7034 Trondheim, Norway

G. E. A. Matsas^† and E. S. Moreira, Jr.^‡
Instituto de Física Teórica, Universidade Estadual Paulista, Rua Pamplona 145, 01405-900, São Paulo, São Paulo, Brazil

Received 26 March 1998; published 23 June 1998

We reexamine the two-point function approaches used to study vacuum fluctuation in wedge-shaped regions and conical backgrounds. The appearance of divergent integrals is discussed and circumvented. The issue is considered in the context of a massless scalar field in cosmic string spacetime.

URL:

http://link.aps.org/doi/10.1103/PhysRevD.58.027502

DOI:

10.1103/PhysRevD.58.027502

PACS:

04.70.Dy, 04.62.+v

^*Email address: Iver.H.Brevik@mtf.ntnu.no

^†Email address: matsas@axp.ift.unesp.br

^‡Email address: moreira@axp.ift.unesp.br

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Phys. Rev. D 58, 027502 (1998) [4 pages]

Note on the point-splitting procedure to evaluate vacuum fluctuation in certain cylindrically symmetric backgrounds