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arXiv · 1106.2931

Role of d-wave pairing in $A15$ superconductors

S. Mukherjee·D. F. Agterberg
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Abstract

We argue that the recent Raman spectroscopy observation of a sharp mode in s-wave superconducting V$_3$Si is due to a competing d-wave pairing state. We present microscopic arguments for the origin of this d-wave order. We further argue that the d-wave order explains the observed shrinking of the vortex core structure at anomalously low magnetic fields and the large anisotropy observed in the upper critical field.

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S. Mukherjee, D. F. Agterberg. 2011-06-15. Role of d-wave pairing in $A15$ superconductors. https://doi.org/10.1103/physrevb.84.134520

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