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Diffusion in disordered systems under iterative measurement
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DOI：10.1103/PhysRevB.60.30.png)
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摘要
En 中文
We consider a sequence of idealized measurements of time separation Delta t onto a discrete one-dimensional disordered system. A connection with Markov chains is found. For a rapid sequence of measurements, a diffusive regime occurs and the diffusion coefficient D is analytically calculated. In a general point of view, this result suggests the possibility to break the Anderson localization due to decoherence effects. Quantum Zeno effect emerges because the diffusion coefficient D vanishes at the limit Delta t-0. [S0163-1829(99)02025-1].
Keyword:
RANDOM-DIMER MODEL
CORRELATED DISORDER
EXTENDED STATES
LOCALIZATION
DELOCALIZATION
SUPERLATTICES
ABSENCE
CHAINS
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期刊
IF:
3.7
论文数:
15.4W
被引数:
41.0W
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