Contains the keyword pair-breaking

Clem JR, Kogan VG. Kinetic impedance and depairing in thin and narrow superconducting films. Phys Rev B. 2012;86:174521. Abstract

Bud'ko SL, Kogan VG, Hodovanets H, Ran S, Moser SA, Lampe MJ, et al. Evolution of ground state and upper critical field in R1-xGdxNi2B2C (R = Lu, Y): Coexistence of superconductivity and spin-glass state. Phys Rev B. 2010;82:174513 . Abstract