Dissipation, topology, and quantum phase transition in a one-dimensional Joesphson junction array

Details Dissipation, topology, and quantum phase transition in a one-dimensional Joesphson junction array Dissipation, topology, and quantum phase transition in a one-dimensional Joesphson junction array

2005-09-27

arxiv.org/abs/cond-mat/0509672v2

Phys. Rev. B 73, 094516/1-12 (2006)

Physics

Condensed Matter

Superconductivity

13 pages, 3 figures, A few typos are corrected

Scientific paper

10.1103/PhysRevB.73.094516

We study the phase diagram and quantum critical properties of a resistively shunted Josephson junction array in one dimension from a strong coupling analysis. After mapping the dissipative quantum phase model to an effective sine-Gordon model we study the renormalization group flow and the phase diagram. We try to bridge the phase diagrams obtained from the weak and the strong coupling renormalization group calculations to extract a more comprehensive picture of the complete phase diagram. The relevance of our theory to experiments in nanowires is discussed.

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