Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Andreev Scattering, Universal Conductance Fluctuations and Phase Periodic Transport
AU - Hui, V. C.
AU - Lambert, Colin
PY - 1993/7/20
Y1 - 1993/7/20
N2 - We examine sample-to-sample fluctuations in the electrical conductance G of a mesoscopic structure containing superconducting islands and demonstrate that these are consistent with predictions of universal conductance fluctuations in normal disordered solids. For two separate inclusions with order parameter phases phi1 and phi2, the dependence of G on the phase difference is computed. In contrast with a recent prediction for the finite-temperature conductivity of a disordered medium with two superconducting boundaries, we demonstrate that both the conductance of individual samples and the ensemble-averaged conductance vary periodically with period 2pi.
AB - We examine sample-to-sample fluctuations in the electrical conductance G of a mesoscopic structure containing superconducting islands and demonstrate that these are consistent with predictions of universal conductance fluctuations in normal disordered solids. For two separate inclusions with order parameter phases phi1 and phi2, the dependence of G on the phase difference is computed. In contrast with a recent prediction for the finite-temperature conductivity of a disordered medium with two superconducting boundaries, we demonstrate that both the conductance of individual samples and the ensemble-averaged conductance vary periodically with period 2pi.
U2 - 10.1209/0295-5075/23/3/008
DO - 10.1209/0295-5075/23/3/008
M3 - Journal article
VL - 23
SP - 203
EP - 209
JO - EPL
JF - EPL
SN - 0295-5075
IS - 3
ER -