Possible d-wave superconductivity in borocarbides: Upper critical field of YNi2B2C and LuNi2B2C

Guangfeng Wang; Kazumi Maki

doi:10.1103/PhysRevB.58.6493

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Possible d-wave superconductivity in borocarbides: Upper critical field of YNi2B2C and LuNi2B2C

Guangfeng Wang, Kazumi Maki

DOI 10.1103/PhysRevB.58.6493 · Physical Review B

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Abstract

The upper critical field of a three-dimensional version of d-wave superconductors in a variety of field configurations is analyzed theoretically within the weak-coupling model. The present theory describes the main features of upper critical fields observed recently in YNi2B2C and LuNi2B2C. This strongly suggests that the underlying superconductivity in borocarbides should be of d wave type.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
YNi2B2C Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
LuNi2B2C Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
ErNi2B2C Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown