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Phase Diagram for Splay Glass Superconductivity

T. P. Devereaux, R. T. Scalettar, G. T. Zimanyi, K. Moon, E. Loh

DOI 10.1103/PhysRevLett.75.4768 · Physical Review Letters

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Abstract

Localization of flux lines to splayed columnar pins is studied. A sine-Gordon type renormalization group (RG) study reveals the existence of a splay glass phase and yields an analytic form for the transition temperature into the glass phase. As an independent test, the I−V characteristics are determined via a molecular dynamics code. The glass transition temperature supports the RG results convincingly. The full phase diagram of the model is constructed.

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