Quantum Global Strings and Their Correlation Functions

Details Quantum Global Strings and Their Correlation Functions Quantum Global Strings and Their Correlation Functions

1998-10-30

arxiv.org/abs/hep-th/9810249v1

Int.J.Mod.Phys. A15 (2000) 2225-2236

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, latex, no figures

Scientific paper

10.1142/S0217751X00000914

A full quantum description of global vortex strings is presented in the framework of a pure Higgs system with a broken global U(1) symmetry in 3+1D. An explicit expression for the string creation operator is obtained, both in terms of the Higgs field and in the dual formulation where a Kalb-Ramond antisymmetric tensor gauge field is employed as the basic field. The quantum string correlation function is evaluated and from this, the string energy density is obtained. Potential application in cosmology (cosmic strings) and condensed matter (vortices in superfluids) are discussed.

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