Physics – Condensed Matter
Scientific paper
1999-04-08
Phys. Rev. Lett. 83 (1999) 3285
Physics
Condensed Matter
4 pages, revtex, 2 .eps figures imbedded in paper, title shortened, minor textual changes
Scientific paper
10.1103/PhysRevLett.83.3285
Starting from the time-dependent Ginzburg-Landau (TDGL) equations for a type II superconductor, we derive the equations of motion for the displacement field of a moving vortex lattice without inertia or pinning. We show that it is linearly stable and, surprisingly, that it supports wavelike long-wavelength excitations arising not from inertia or elasticity but from the strain-dependent mobility of the moving lattice. It should be possible to image these waves, whose speeds are a few \mu m/s, using fast scanning tunnelling microscopy.
Ramaswamy Sriram
Simha Aditi R.
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