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Andreev levels in a single-channel conductor.

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Andreev levels in a single-channel conductor. / Titov, M.; Mortensen, N. A.; Schomerus, H. et al.
In: Physical review B, Vol. 64, 2001, p. 134206.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Titov, M, Mortensen, NA, Schomerus, H & Beenakker, CWJ 2001, 'Andreev levels in a single-channel conductor.', Physical review B, vol. 64, pp. 134206. <http://link.aps.org/abstract/PRB/v64/e134206>

APA

Titov, M., Mortensen, N. A., Schomerus, H., & Beenakker, C. W. J. (2001). Andreev levels in a single-channel conductor. Physical review B, 64, 134206. http://link.aps.org/abstract/PRB/v64/e134206

Vancouver

Titov M, Mortensen NA, Schomerus H, Beenakker CWJ. Andreev levels in a single-channel conductor. Physical review B. 2001;64:134206.

Author

Titov, M. ; Mortensen, N. A. ; Schomerus, H. et al. / Andreev levels in a single-channel conductor. In: Physical review B. 2001 ; Vol. 64. pp. 134206.

Bibtex

@article{8eaa9f23351c4a3d8eb1495f22fe2d7b,
title = "Andreev levels in a single-channel conductor.",
abstract = "We calculate the subgap density of states of a disordered single-channel normal metal connected to a superconductor at one end (normal-metal{\^a}��superconductor junction) or at both ends [superconductor{\^a}��normal-metal{\^a}��superconductor (SNS) junction]. The probability distribution of the energy of a bound state (Andreev level) is broadened by disorder. In the SNS case the twofold degeneracy of the Andreev levels is removed by disorder leading to a splitting in addition to the broadening. The distribution of the splitting is given precisely by Wigner{\^a}��s surmise from random-matrix theory. For strong disorder the mean density of states is largely unaffected by the proximity to the superconductor, because of localization, except in a narrow energy region near the Fermi level, where the density of states is suppressed with a log-normal tail.",
author = "M. Titov and Mortensen, {N. A.} and H. Schomerus and Beenakker, {C. W. J.}",
year = "2001",
language = "English",
volume = "64",
pages = "134206",
journal = "Physical review B",
issn = "1550-235X",
publisher = "AMER PHYSICAL SOC",

}

RIS

TY - JOUR

T1 - Andreev levels in a single-channel conductor.

AU - Titov, M.

AU - Mortensen, N. A.

AU - Schomerus, H.

AU - Beenakker, C. W. J.

PY - 2001

Y1 - 2001

N2 - We calculate the subgap density of states of a disordered single-channel normal metal connected to a superconductor at one end (normal-metal�superconductor junction) or at both ends [superconductor�normal-metal�superconductor (SNS) junction]. The probability distribution of the energy of a bound state (Andreev level) is broadened by disorder. In the SNS case the twofold degeneracy of the Andreev levels is removed by disorder leading to a splitting in addition to the broadening. The distribution of the splitting is given precisely by Wigner�s surmise from random-matrix theory. For strong disorder the mean density of states is largely unaffected by the proximity to the superconductor, because of localization, except in a narrow energy region near the Fermi level, where the density of states is suppressed with a log-normal tail.

AB - We calculate the subgap density of states of a disordered single-channel normal metal connected to a superconductor at one end (normal-metal�superconductor junction) or at both ends [superconductor�normal-metal�superconductor (SNS) junction]. The probability distribution of the energy of a bound state (Andreev level) is broadened by disorder. In the SNS case the twofold degeneracy of the Andreev levels is removed by disorder leading to a splitting in addition to the broadening. The distribution of the splitting is given precisely by Wigner�s surmise from random-matrix theory. For strong disorder the mean density of states is largely unaffected by the proximity to the superconductor, because of localization, except in a narrow energy region near the Fermi level, where the density of states is suppressed with a log-normal tail.

M3 - Journal article

VL - 64

SP - 134206

JO - Physical review B

JF - Physical review B

SN - 1550-235X

ER -