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

A. N. Aliev·M. Hortacsu·N. Ozdemir
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Abstract

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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A. N. Aliev, M. Hortacsu, N. Ozdemir. 1998-03-12. Vacuum Fluctuations of a massless spin-1/2 field around multiple cosmic strings. https://doi.org/10.1088/0264-9381%2F14%2F12%2F008

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