Abstract
We observed the disappearance of the Meissner effect and the specific heat jump in Ba0.2K0.8Fe2As2. A crossover of the type of superconducting order parameter can be a source of these phenomena. A quantum phase disorder provides a possible explanation.
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Tanaka, Y., Shirage, P.M. & Iyo, A. Disappearance of Meissner Effect and Specific Heat Jump in a Multiband Superconductor, Ba0.2K0.8Fe2As2 . J Supercond Nov Magn 23, 253–256 (2010). https://doi.org/10.1007/s10948-009-0523-4
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DOI: https://doi.org/10.1007/s10948-009-0523-4