Vacuum Fluctuations of a massless spin-1/2 field around multiple cosmic strings

Details Vacuum Fluctuations of a massless spin-1/2 field around multiple cosmic strings Vacuum Fluctuations of a massless spin-1/2 field around multiple cosmic strings

1998-03-12

arxiv.org/abs/gr-qc/9803044v1

Class.Quant.Grav. 14 (1997) 3215-3224

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Class. Quantum Grav. 14(1997) 3215

Scientific paper

10.1088/0264-9381/14/12/008

We study the interaction of a massless quantized spinor field with the gravitational filed of N parallel static cosmic strings by using a perturbative approach. We show that the presence of more than one cosmic string gives rise to an additional contribution to the energy density of vacuum fluctuations, thereby leading to a vacuum force attraction between two parallel cosmic strings.

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