1998
DOI: 10.1103/physrevb.57.4009
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Transport properties of semiconductor-superconductor junctions in quantizing magnetic fields

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Cited by 76 publications
(100 citation statements)
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“…Superconducting leads connected to the edge modes may induce the proximity effect. Interestingly, the Andreev reflection phenomena [6,7] and the supercurrent in chiral channels [8][9][10] have been thoroughly investigated. Notably, it was shown that the supercurrent carried by a chiral channel requires the closing of the channel and is inversely proportional to the full perimeter of the QH sample.…”
Section: Supercurrents In Unidirectional Channels Originate From Infomentioning
confidence: 99%
“…Superconducting leads connected to the edge modes may induce the proximity effect. Interestingly, the Andreev reflection phenomena [6,7] and the supercurrent in chiral channels [8][9][10] have been thoroughly investigated. Notably, it was shown that the supercurrent carried by a chiral channel requires the closing of the channel and is inversely proportional to the full perimeter of the QH sample.…”
Section: Supercurrents In Unidirectional Channels Originate From Infomentioning
confidence: 99%
“…Very recently, the magneto-tunneling spectrum and the thermal conductance have been studied in a superconductor/quasi-one-dimensional semiconductor structure [8]. The transport across a superconductor/semiconductor interface in the Hall geometry was discussed in [2,9]. In [9], it is predicted that the Hall voltage is significantly suppressed near the interface compared to its normal metal value.…”
Section: Introductionmentioning
confidence: 99%
“…By taking phase-coherent Andreev reflection into account, the oscillations in the conductance of a S/2DEG junction in magnetic field have been predicted which are based on an Aharonov-Bohm-type interference effect [2,3,4,5]. The current transport across the S/2DEG interface in the quantum Hall effect regime was investigated by Hoppe, Zülicke and Schön [6,7].…”
Section: Introductionmentioning
confidence: 99%
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“…It was found experimentally [1] that zero-bias conductance G of a ballistic S -2DEG -S junction in Integer Quantum Hall (IQH) regime exhibits quantization under variation of magnetic field. The quantum of G was not equal to a universal value in this experiment, as for instance in IQH or in a quantum point contact [7], but it was an oscillating function of the field H. Numerical simulations [4], [5] showed that the conductance of a 2DEG-S contact in IQH regime is a nonmonotonous function of the filling factor ν; there is nonuniversal quantization of G when 2DEG-S boundary is perfect [6]; at specific range of magnetic field G(ν) oscillates. A phenomenological theory of the conductance oscillations was suggested in [5].…”
mentioning
confidence: 99%