Cancellation of ultraviolet divergences for locally flat metrics

M. Hortaçsu; N. Özdemir

doi:10.1142/S0217732398003284

Cancellation of ultraviolet divergences for locally flat metrics

M. Hortaçsu^*, N. Özdemir

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We extend the work done for cosmic strings on the perturbative calculation of vacuum polarization of a massless field in the space-time of multiple cosmic strings and show that for a more general class of locally flat metrics, the one-loop calculation does not introduce any new divergences to the vev of the energy of a scalar particle or a spinor particle.

Original language	English
Pages (from-to)	3081-3090
Number of pages	10
Journal	Modern Physics Letters A
Volume	13
Issue number	38
DOIs	https://doi.org/10.1142/S0217732398003284
Publication status	Published - 14 Dec 1998
Externally published	Yes

Funding

We thank Prof. Dr. A. N. Aliev for giving his results and calculations to us prior to publication and for extensive discussions. Discussions with Profs. A. Büyükaksoy, A. H. Bilge, Ö. F. Dayi, Y. Nutku are also gratefully acknowledged. This work was partially supported by the Scienti c and Technical Research Council of Turkey and M.H. work was also supported by the Academy of Sciences of Turkey.

Funders	Funder number
Academy of Sciences of Turkey
Scienti c and Technical Research Council of Turkey

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Cancellation of ultraviolet divergences for locally flat metrics

Abstract

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