Vacuum Expectation Value of the Spinor Massive field in the Cosmic String Space-Time

Details Vacuum Expectation Value of the Spinor Massive field in the Cosmic String Space-Time Vacuum Expectation Value of the Spinor Massive field in the Cosmic String Space-Time

2006-02-05

arxiv.org/abs/hep-th/0602048v3

Class.Quant.Grav.23:3449-3462,2006

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, 1 figure (2 ref added) (enlarged version)

Scientific paper

10.1088/0264-9381/23/10/015

We found the contribution to the vacuum expectation value of the
energy-momentum tensor of a massive Dirac field due to the conical geometry of
the cosmic string space-time. The heat kernel and heat kernel expansion for the
squared Dirac operator in this background are also considered and the first
three coefficients were found in an explicity form.

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