Publication
Journal of Physics C: Solid State Physics
Paper

I-V characteristics and stationary dynamics of a Josephson junction including the interference term in the current phase relation

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Abstract

The equation of motion for a local Josephson junction is solved assuming a current phase relation jz= sigma 0V+ sigma 1Vcos phi +j1 sin phi , whose parameters sigma 0, sigma 1,j1 are calculated as appropriate averages from BCS weak-coupling theory. Analytical solutions can be given in the case of strong and weak damped junctions, the latter even for small currents. The I-V characteristics and the stationary dynamics are discussed for various damping parameters and relative conductivities. The critical current as a function of these quantities is also investigated.

Date

28 Feb 2001

Publication

Journal of Physics C: Solid State Physics

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