| Andreev Bound States in the Kondo Quantum Dots Coupled to Superconducting Leads (2006) | |||||||||
Abstract | |||||||||
| We have studied the Kondo quantum dot coupled to two superconducting leads and investigated the subgap Andreev states using the NRG method. Contrary to the recent NCA results [Clerk and Ambegaokar, Phys. Rev. B 61, 9109 (2000); Sellier et al., Phys. Rev. B 72, 174502 (2005)], we observe Andreev states both below and above the Fermi level.. Comment: 5 pages, 5 figures | |||||||||
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