期刊
PHYSICAL REVIEW LETTERS
卷 104, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.246804
关键词
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资金
- Swiss NSF
- NCCR on Nanoscale Science
- Danish Natural Science Research Council
- OTKA-Norwegian Financial Mechanism [NNF 78842, OTKA 72916]
- EU [41139]
- Bolyai Janos grant
The ferromagnetic proximity effect is studied in InAs nanowire based quantum dots strongly coupled to a ferromagnetic (F) and a superconducting (S) lead. The influence of the F lead is detected through the splitting of the spin-1/2 Kondo resonance. We show that the F lead induces a local exchange field on the quantum dot, which has varying amplitude and sign depending on the charge states. The interplay of the F and S correlations generates an exchange field related subgap feature.
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