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The Leiden flux pump
Remarks on a movingflux experiment in superconducting
Discussion of the experimental results
4 other sections not shown
alternating current applied field applied magnetic field axis bridge foils chemical potential circulation currents CN CN coil component constant contact potential core boundary current carrying capacity current density curves cylinder direct current eddy currents electric field electrochemical potential electromagnet electron fluid equation of motion FCOnt field pattern field region flux motion flux pinning flux tubes foil solenoids friction function go normal Hall angle heat dissipation increase lattice Leiden flux pump longitudinal voltage Lorentz force magnetic field magnetic induction measured voltage Meissner Meissner effect mixed mixed-state pattern Nb foil Nb samples Nb-Zr NbsSn ne(vT nev9 niobium normal region obtained Phys pole piece pumping bridge pumping characteristics pumping field strength pumping speed rotation rotor selfinductance shown sketched in fig specific resistance specimen superconducting circuit superconducting material superconducting sheet superfluid supergeleidend thickness transport current transverse voltage type II superconductor Volger voltmeter vortex cells vortex cores vortex motion vortices