THERMODYNAMIC OBSERVATION OF FIRST-ORDER VORTEX-LATTICE MELTING TRANSITION IN BI2SR2CACU2O8

Abstract : The lattice of magnetic flux lines that can permeate a type ii superconductor, such as the high-transition-temperature copper oxide materials, melts from a solid-like stale to a liquid-like state at a temperature below the superconducting transition temperature. Contrary to the predictions of mean-field theory, this phase transition in Bi2Sr2CaCu2O8 is found to be first-order. The vortex liquid discontinuously expands on freezing.
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Submitted on : Friday, September 26, 2014 - 9:53:58 AM
Last modification on : Thursday, August 1, 2019 - 11:50:05 AM

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Eli Zeldov, D. Majer, Marcin Konczykowski, Vadim B. Geshkenbein, Valerii M. Vinokur, et al.. THERMODYNAMIC OBSERVATION OF FIRST-ORDER VORTEX-LATTICE MELTING TRANSITION IN BI2SR2CACU2O8. Nature, Nature Publishing Group, 1995, 375 (6530), pp.373-376. ⟨10.1038/375373a0⟩. ⟨hal-01068645⟩

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