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Article Dans Une Revue Journal of Magnetism and Magnetic Materials Année : 2015

Extension of Bilbro-McMillan Charge Density Wave-Superconductivity coexistence relation to quantum régimes: application to superconducting domes around quantum critical points

Manuel Nunez-Regueiro
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Résumé

Quantum critical points (QCP) accompanied by superconductivity are ubiquitous in condensed matter physics. In general, the transition temperature T_O of an ordered state, e.g. antiferromagnetic, goes to zero under the influence of an external parameter, e.g. pressure. Superconductivity appears before the disappearance of the ordered state, but reaches its maximum when T_O=0. Presently, the implications of the QCP's on superconductivity are a subject of debate. It is propose here that both transition temperatures satisfy the relation 〖T ̃_O〗^2+〖T ̃_c〗^2=1, where the tilde indicates normalization to the maximum values. Inspired from the basic postulate of theories of superconductors, it is proposed as an extension from Bilbro-McMillan relation.
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Dates et versions

hal-00977931 , version 1 (23-05-2014)

Identifiants

Citer

Manuel Nunez-Regueiro. Extension of Bilbro-McMillan Charge Density Wave-Superconductivity coexistence relation to quantum régimes: application to superconducting domes around quantum critical points. Journal of Magnetism and Magnetic Materials, 2015, 376, pp.25-28. ⟨10.1016/j.jmmm.2014.04.036⟩. ⟨hal-00977931⟩

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