Quantum fluctuations of the superconducting cosmic string

Details Quantum fluctuations of the superconducting cosmic string Quantum fluctuations of the superconducting cosmic string

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvl..59.2111z&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 59, Nov. 2, 1987, p. 2111-2114. NASA-supported research.

Physics

Condensed Matter

Superconductivity

9

Boson Fields, Conservation Laws, String Theory, Superconductivity

Scientific paper

Quantum fluctuations of the proposed superconducting string with Bose charge carriers are studied in terms of the vortices on the string world sheet. In the thermodynamical limit, it is found that they appear in the form of free vortices rather than as bound pairs. This fluctuation mode violates the topological conservation law on which superconductivity is based. However, this limit may not be reached. The critical size of the superconducting string is estimated as a function of the coupling constants involved.

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