Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2011-11-08
Phys. Rev. B 81, 241101 (2010)
Physics
Condensed Matter
Disordered Systems and Neural Networks
Scientific paper
We follow the temporal evolution of mesoscopic intensity fluctuations and correlation in strongly localized samples. We find an initial burst in relative transmission fluctuations in random one dimensional (1D) samples due to fluctuations in the arrival time of ballistic transmission. Relative fluctuations subsequently rise, then drop to a minimum at a time t_m, after which they increase rapidly in 1D simulations and quasi-1D (Q1D) measurements. For t > 3t_m, results in 1D and Q1D samples converge towards predictions of a dynamic single parameter scaling model. These results reflect the changing number of modes participating appreciably in transmission as the impact of longer lived modes grows with time delay.
Chabanov Andrey
Genack Azriel Z.
Lu D. Y.
Wang Jeffrey
Zhang Zhao-Qing
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