Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2007-10-16
Physics
Condensed Matter
Disordered Systems and Neural Networks
5 RevTex pages, 3 figures; submitted to PRL
Scientific paper
We have measured pulsed microwave transmission through quasi-1D samples with lengths up to three localization lengths. For times approaching four times the diffusion time \tau_D, transmission is diffusive in accord with the self-consistent theory of localization for the renormalized diffusion coefficient in space and frequency, D(z,\Omega). For longer times, the transmission decay rate first agrees with and later falls increasingly below the self-consistent theory. Beyond the Heisenberg time, the decay rate approaches the predictions of a dynamic single parameter scaling model which reflects the decay of long-lived localized modes and converges to the results of 1D simulations.
Chabanov Andrey
Cheung Sai-Kit
Genack Azriel Z.
Wong Hon-Cheng
Zhang Zhao-Qing
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