In-phase vortex flow and superradiance in a Josephson superlattice embedded in a waveguide

A. V. Chiginev; V. V. Kurin

doi:10.1103/PhysRevB.70.214523

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In-phase vortex flow and superradiance in a Josephson superlattice embedded in a waveguide

A. V. Chiginev, V. V. Kurin

DOI 10.1103/PhysRevB.70.214523 · Physical Review B

T1

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Abstract

We study the dynamics of a Josephson vortex lattice in a stack of long Josephson junctions electromagnetically connected with a waveguide in the form of a stripline. The stability of the dense rectangular vortex lattice is investigated analytically. We show that this regime appears to be stable provided the characteristic velocity of the symmetric perturbation mode in the system is lowest compared with other modes. We find a range of velocities at which the rectangular Josephson vortex lattice is stable. We perform a numerical experiment which shows a spontaneous establishing of the rectangular Josephson vortex lattice as the system parameters are changed.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Bi2Sr2CaCu2O8+x Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown