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Advances in High Energy Physics
Volume 2010 (2010), Article ID 768054, 22 pages
http://dx.doi.org/10.1155/2010/768054
Research Article

Superconductivity due to Condensation of Monopoles around RCD Strings in SU(2) Gauge Theory

1Department of Physics, Kumaon University, Nainital, India
2Department of Physics, D. S. College, Aligarh (U.P), India

Received 17 September 2010; Revised 24 November 2010; Accepted 1 December 2010

Academic Editor: George Siopsis

Copyright © 2010 B. S. Rajput and Sandeep Kumar. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The study of the condensation of monopoles and the resulting chromomagnetic superconductivity have been undertaken in restricted chromodynamics of SU(2) gauge theory. Constructing the RCD Lagrangian and the partition function for monopoles in terms of string action and the action of the current around the strings, the monopole current in RCD chromo magnetic superconductor has been derived and it has shown that in London' limit the penetration length governs the monopole density around RCD string in chromo magnetic superconductors while with finite (nonzero) coherence length the leading behavior of the monopole density at large distances from the string is controlled by the coherence length and not by the penetration length.