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Report No.

Andreev bound states and tunneling characteristics of a noncentrosymmetric superconductor

Iniotakis, C.*; Hayashi, Nobuhiko; Sawa, Yasuo*; Yokoyama, Takehito*; May, U.*; Tanaka, Yukio*; Sigrist, M.*

The tunneling characteristics of planar junctions between a normal metal and a noncentrosymmetric superconductor such as CePt$$_3$$Si are examined. It is shown that the superconducting phase with mixed parity can give rise to characteristic zero-bias anomalies in certain junction directions. Andreev bound states at the interface are the origin of these zero-bias anomalies. The tunneling characteristics for different directions allow us to test the structure of the parity-mixed pairing state.



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Category:Materials Science, Multidisciplinary



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