Metastable states and information propagation in a one-dimensional array of locally coupled bistable cells | Zendy

M. P. Anantram | Zendy; Vwani Roychowdhury | Zendy

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Metastable states and information propagation in a one-dimensional array of locally coupled bistable cells

Author(s) -

M. P. Anantram,

Vwani Roychowdhury

Publication year - 1999

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.369295

Subject(s) - metastability , bistability , coupling (piping) , relaxation (psychology) , statistical physics , physics , condensed matter physics , boundary (topology) , ground state , boundary value problem , materials science , quantum mechanics , mathematics , mathematical analysis , psychology , social psychology , metallurgy

We study the effect of metastable states on the relaxation process (and henceinformation propagation) in locally coupled and boundary-driven structures. Wefirst give a general argument to show that metastable states are inevitableeven in the simplest of structures, a wire. At finite temperatures, therelaxation mechanism is a thermally assisted random walk. The time required toreach the ground state and its life time are determined by the couplingparameters. These time scales are studied in a model based on an array ofquantum dots.Comment: Accepted for publication in Journal of Applied Physic

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