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cond-mat.mes-hall1997
Random matrix approach to `nonuniversal' conductance
Petr Seba, Karol Zyczkowski, Jakub Zakrzewski
Recent experiments on the conductance of high quality quantum wires have revealed an unexpected feature: the quantization step of the conductance is apparently system dependent. We…
quant-ph1997
Probability current tornado loops in three-dimensional scattering
Pavel Exner, Petr Seba
We consider scattering of a three-dimensional particle on a finite family of delta potentials. For some parameter values the scattering wavenctions exhibit nodal lines in the form…