Journal
PHYSICAL REVIEW LETTERS
Volume 85, Issue 18, Pages 3938-3941Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.3938
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We investigate the dynamics of the Josephson vortex lattice in layered high-T-c superconductors at high magnetic fields. It is shown that the average electric current depends on the lattice structure and is resonantly enhanced when the Josephson frequency matches the frequency of the plasma mode. We find the stability regions of a moving lattice. It is shown that a specific lattice structure at a given velocity is uniquely selected by the boundary conditions; at small velocities a periodic triangular lattice is stable and looses its stability at some critical velocity. At even higher velocities, a structure close to a rectangular lattice is restored.
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