research10.1088/1751-8113/41/16/164049

Quantum stabilization of Z-strings, a status report on D=3+1 dimensions

Abstract

We investigate an extension to the phase shift formalism for calculating one-loop determinants. This extension is motivated by requirements of the computation of Z-string quantum energies in D=3+1 dimensions. A subtlety that seems to imply that the vacuum polarization diagram in this formalism is (erroneously) finite is thoroughly investigated.Comment: Based on talk by O.S. at QFEXT07, Leipzig Sept. 2007. 8 page

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This paper was published in arXiv.org e-Print Archive.

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