Low-energy quasiparticle transport through Andreev levels

被引：7

作者：

Kadigrobov, A ^{[1
]}

Gorelik, LY

Shekhter, RI

Jonson, M

Shaikhaidarov, RS

Petrashov, VT

Delsing, P

Claeson, T

机构：

[1] Chalmers Univ Technol, Dept Appl Phys, SE-41296 Gothenburg, Sweden

[2] Univ Gothenburg, SE-41296 Gothenburg, Sweden

[3] B Verkin Inst Low Temp Phys & Engn, UA-310164 Kharkov, Ukraine

[4] Chalmers Univ Technol, Dept Microelect & Nanosci, Gothenburg, Sweden

[5] Russian Acad Sci, Inst Microelect, Chernogolovka 142432, Russia

[6] Univ London Royal Holloway & Bedford New Coll, Dept Phys, Egham TW20 0EX, Surrey, England

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.60.14589

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We measure the resistance of a normal mesoscopic sample with two Superconducting mirrors and find two regimes with qualitatively different behavior. At temperatures below 90 mK peaks in the conductance were found when the phase difference between the two superconductors is an odd multiple of rr. The peak heights increase with decreasing temperature. Above 100 mK the observed peaks give way to dips in the conductance. While the high-temperature behavior can be explained in terms of the thermal effect [Phys. Rev. Lett, 76, 823 (1996)], we propose that the low-temperature behavior is: a manifestation of resonant transmission of low-energy quasiparticles through Andreev states. [S0163-1829(99)11641-2].

引用

页码：14589 / 14592

页数：4

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