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Time-dependent reflection at the localization transition
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DOI：10.1103/PhysRevB.97.104202.png)
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摘要
En 中文
A short quasimonochromatic wave packet incident on a semi-infinite disordered medium gives rise to a reflected wave. The intensity of the latter decays as a power law, 1/t(alpha), in the long-time limit. Using the one-dimensional Aubry-Andre model, we show that in the vicinity of the critical point of Anderson localization transition, the decay slows down, and the power-law exponent a becomes smaller than both alpha = 2 found in the Anderson localization regime and alpha = 3/2 expected for a one-dimensional random walk of classical particles.
Keyword:
ANDERSON LOCALIZATION
WAVE LOCALIZATION
LIGHT-SCATTERING
SYSTEMS
GAP
DIFFUSION
SPECTRUM
EQUATION
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期刊
IF:
3.7
论文数:
15.4W
被引数:
41.0W
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