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Title: Distribution of the delay time and the dwell time for wave reflection from a long random potential
Authors: Anantha Ramakrishna, S.
Kumar, N.
Issue Date: Jul-2001
Publisher: EDP Sciences
Citation: European Physical Journal B, 2001, Vol.23, p515-519
Abstract: We re-examine and correct an earlier derivation of the distribution of the Wigner phase delay time for wave reflection from a long one-dimensional disordered conductor treated in the continuum limit. We then numerically compare the distributions of the Wigner phase delay time and the dwell time, the latter being obtained by the use of an infinitesimal imaginary potential as a clock, and investigate the effects of strong disorder and a periodic (discrete) lattice background. We find that the two distributions coincide even for strong disorder, but only for energies well away from the band-edges.
Description: Restricted Access. An open-access version is available at (one of the alternative locations)
ISSN: 1434-6028
1434-6036 (Online)
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Copyright: 2001 EDP Sciences
Appears in Collections:Research Papers (TP)

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