4.3 Flux Flow State
67
The same result should be obtained, if we choose an integral path so that the
singular point is included inside the closed loop. Derive the correct result in this
case.
References
1. T. Matsushita, Flux Pinning in Superconductors, 2 edn. (Springer, 2014), p. 26 (Chaps. 1 and
2).
2. J. Bardeen, M.J. Stephen, Phys. Rev. 140, A1197 (1965).