Vortices and Flux DynamicsNo Access
Modified Josephson Relation
https://doi.org/10.1142/S0217979203021095Cited by:0 (Source: Crossref)
Abstract
For type II superconductors, Josephson has shown that vortices moving with velocity vL create an effective electric field E′= -vL×BV. By definition the effective electric field is gradient of the electrochemical potential, what is the quantity corresponding to voltage observed with the use of Ohmic contacts. It relates to the true electric field E via the local chemical potential μ as E′=E-∇μ/e. We argue that at low temperatures the true electric field in the bulk can be approximated by a modified Josephson relation E=(vS-vL)×BV, where vS is the condensate velocity.
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