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New way of probing QCD in heavy fermion SC

Filed in: Blog.New-way-of-probing-QCD-in-heavy-fermion-SC · Modified on : Thu, 26 Apr 18

Critical current is a defining parameter of a SC state. It describe the current under which there is a zero-resistance state. With no magnetic field, and under pressure variation, the critical current exhibit universal behaviour, related to the underlying critical fluctuations associated with the QCP. This paper demonstrate by studying critical current behaviour that this parameter is a powerful tool for investigating the presence of QCP in the SC state without destroying the SC state itself. This would not be possible, for say, by applying a magnetic field.

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