Quantum fluctuations of scalar field in conical space - INSPIRE

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Quantum fluctuations of scalar field in conical space

Chung-I Kuo
(
- Soochow U.
)

May, 1997

8 pages

Published in:

Phys.Lett.B 405 (1997) 236-242

e-Print:

gr-qc/9705041 [gr-qc]

DOI:

10.1016/S0370-2693(97)00594-7

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Abstract: (Elsevier)

We consider the vacuum polarization effect of a conformally coupled massless scalar field in the background produced by an idealized straight cosmic string. Using a previous criterion we show that the calculation of the back reaction of the field to the metric in the context of semiclassical gravity theory is not valid in some regions due to large quantum fluctuations in the conical space.

Note:

8 pages, RevTeX file, no figure, to appear in Phys. Lett. B

03.70.+k
05.40.+j
98.80.-k
98.80.−k
astrophysics: string
field theory: scalar
field theory: massless
coupling: conformal
vacuum polarization: effect
effect: back reaction

References(15)

Figures(0)

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