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Study of the tunneling effect on quasi-2D organic superconductors κ-(ET)2X

✍ Scribed by Y. Tanuma; K. Kuroki; Y. Tanaka; S. Kashiwaya

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
289 KB
Volume
412-414
Category
Article
ISSN
0921-4534

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✦ Synopsis

We study the tunneling spectroscopy via Andreev bound states, which can be used to determine the pairing symmetry if one can prepare well-treated surfaces in the superconducting plane. In the present study, we investigate the tunneling spectrum in systems having multiple Fermi surfaces, where we focus on organic superconductors j-(ET) 2 X. We show that the multiplicity of the Fermi surfaces can lead to a splitting of the zero-bias conductance peak (ZBCP). We propose that the presence/absence of the ZBCP splitting is used as a probe to distinguish the pairing symmetry in j-(ET) 2 X.

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