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The anomalous 0.5 and 0.7 conductance plateaus in quantum point contacts

✍ Scribed by Henrik Bruus; Vadim V Cheianov; Karsten Flensberg

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
109 KB
Volume
10
Category
Article
ISSN
1386-9477

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A microscopic theory for transport properties of a superconducting quantum point contact is presented. According to contact transmission and quasiparticle damping two different physical regimes can be identified. In the limit of small applied voltages and weak damping this theory provides an exact a