Dissipation, topology, and quantum phase transition in a one-dimensional Josephson junction array
Pallab Goswami, Sudip Chakravarty
DOI 10.1103/PhysRevB.73.094516 · Physical Review B
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Abstract
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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