Intrinsic resistivity and the SO(5) theory of high-temperature superconductors
- 1 April 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 57 (14) , R8131-R8134
- https://doi.org/10.1103/physrevb.57.r8131
Abstract
The topological structure of the order parameter in Zhang’s SO(5) theory of superconductivity allows for an unusual type of dissipation mechanism by which current-carrying states can decay. The resistivity due to this mechanism, which involves orientation rather than amplitude order-parameter fluctuations, is calculated for the case of a thin superconducting wire. The approach is a suitably modified version of that pioneered by Langer and Ambegaokar for conventional superconductors.Keywords
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