Joint ICTP/SISSA Statistical Physics seminar:"Phase diagram of a Y-shaped Josephson junction network"
Starts 10 Mar 2009 12:30
Ends 10 Mar 2009 20:00
Central European Time
SISSA Main Bld. - Lecture Room 'D'
It is shown that, for pertinent values of the fabrication and control parameters, an attractive finite coupling fixed point emerges in the phase diagram of a Y-junction of superconducting Josephson chains. The new fixed point arises only when the dimensionless flux f piercing the central loop of the network equals \pi. A detailed account of the Josephson current-phase relationship along the arms of the network, near each one of the allowed fixed points, is provided. The results evidence remarkable similarities between the phase diagram accessible to a Y-junction of superconducting Josephson chains and the one found in the analysis.
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