VACUUM POLARIZATION IN THE SPACE–TIME OF A SCALAR–TENSOR COSMIC STRING-Reference-Cited by-同舟云学术

VACUUM POLARIZATION IN THE SPACE–TIME OF A SCALAR–TENSOR COSMIC STRING

Published:2001-08-10 Issue:24 Volume:16 Page:1565-1571
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

BEZERRA V. B.¹,FILHO R. M. TEIXEIRA¹,GREBOT G.²,GUIMARÃES M. E. X.²

Affiliation:

1. Departamento de Física, UFPb, 58051-970, João Pessoa, Pb, Brazil

2. Departamento de Matemática, UnB, 70910-900, Brasília, DF, Brazil

Abstract

We study the vacuum polarization effect in the space–time generated by a magnetic flux cosmic string in the framework of a scalar–tensor theory of gravity. The vacuum expectation values of the energy–momentum tensor of a conformally coupled scalar field are calculated and the dilaton's contribution to the vacuum polarization effect is shown.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732301004662

Reference19 articles.

1. Gravitational lensing effects of vacuum strings - Exact solutions

2. Cosmic strings and domain walls

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1. Quantum Effects in the Spacetime of a Magnetic Flux Cosmic String;International Journal of Modern Physics A;2003-05-10

2. Summary talk on Cosmology and Gravitation XXII Brazilian National Meeting on Particles and fields;Brazilian Journal of Physics;2002-12

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