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Cosmic string interactions induced by gauge and scalar fields

Daniel Kabat
(
- Lehman Coll. and
- Santa Barbara, KITP
)
,
Debajyoti Sarkar
(
- Lehman Coll. and
- CUNY, Graduate School - U. Ctr.
)

Jun, 2012

12 pages

Published in:

Phys.Rev.D 86 (2012) 084021

e-Print:

1206.5642 [hep-th]

DOI:

10.1103/PhysRevD.86.084021

Report number:

NSF-KITP-12-105

View in:

ADS Abstract Service

reference search17 citations

Citations per year

Abstract: (arXiv)

We study the interaction between two parallel cosmic strings induced by gauge fields and by scalar fields with non-minimal couplings to curvature. For small deficit angles the gauge field behaves like a collection of non-minimal scalars with a specific value for the non-minimal coupling. We check this equivalence by computing the interaction energy between strings at first order in the deficit angles. This result provides another physical context for the "contact terms" which play an important role in the renormalization of black hole entropy due to a spin-1 field.

Note:

12 pages, LaTeX, 1 figure. v2: references added. v3: more references, version to appear in PRD

04.70.Dy
04.62.+v
coupling: nonminimal
field theory: scalar
energy: interaction
black hole: entropy
gauge field theory
cosmic string
renormalization
curvature

References(20)

Figures(1)

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