Can a {open_quotes}superconductor{close_quotes} always expel the generalized magnetic field?
Author(s) -
S. Mahajan
Publication year - 1998
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/582261
Subject(s) - helicity , superconductivity , physics , cooper pair , magnetic field , condensed matter physics , constraint (computer aided design) , field (mathematics) , quantum mechanics , theoretical physics , quantum electrodynamics , mathematics , geometry , pure mathematics
The conservation of generalized helicity in a perfectly conducting fluid may act as an electrodynamic barrier for the transition to the London (superconducting) state when the system is immersed in a topologically nontrival magnetic field (with a nonzero generalized helicity). An experiment is proposed to test whether the mechanism responsible (quantum correlations) for superconductivity respects the electrodynamic constraint
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