Fluxon lattice oscillations in layered superconductors
S. E. Shafranjuk, M. Tachiki, T. Yamashita
DOI 10.1103/PhysRevB.57.13765 · Physical Review B
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Abstract
The fluxon structure in a layered superconductor under an applied parallel constant magnetic field is examined within the model of stacked Josephson junctions. The interlayer phase difference φn,n+1, which is found as a solution of the system of nonlinear equations, corresponds to buckled chains of fluxons, alternating with the field strength. The calculated φn,n+1 is then used to obtain the spectrum of vortex and plasma small oscillations that has a fine band structure showing gaps.
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