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Article overview
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Transverse depinning and melting of a moving vortex lattice in driven periodic Josephson junction arrays | Veronica I. Marconi
; Daniel Dominguez
; | Date: |
12 Dec 1998 | Subject: | Superconductivity; Statistical Mechanics | cond-mat.supr-con cond-mat.stat-mech | Abstract: | We study the effect of thermal fluctuations in a vortex lattice driven in the periodic pinning of a Josephson junction array. The phase diagram current ($I$) vs. temperature ($T$) is studied. Above the critical current $I_c(T)$ we find a moving vortex lattice (MVL) with anisotropic Bragg peaks. For large currents $Igg I_c(T)$, there is a melting transition of the MVL at $T_M(I)$. When applying a small transverse current to the MVL, there is no dissipation at low $T$. We find an onset of transverse vortex motion at a transverse depinning temperature $T_{tr}(I) | Source: | arXiv, cond-mat/9812213 | Services: | Forum | Review | PDF | Favorites |
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