Stochastic resonance in a quasi-two-dimensional superlattice. II

(2) Institute for Radio Engineering; A. S. Matveev (1) ((1) Volgograd State Pedagogical University; Electronics of the Russian Academy of Sciences; E. M. Epshtein (2); Fryazino; G. M. Shmelev (1); Russia; Russia); Volgograd

arxiv: cond-mat/0312692 · v1 · submitted 2003-12-30 · ❄️ cond-mat.mes-hall · cond-mat.stat-mech

Stochastic resonance in a quasi-two-dimensional superlattice. II

G. M. Shmelev (1) , E. M. Epshtein (2) , A. S. Matveev (1) ((1) Volgograd State Pedagogical University , Volgograd , Russia , (2) Institute for Radio Engineering , Electronics of the Russian Academy of Sciences , Fryazino

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classification ❄️ cond-mat.mes-hall cond-mat.stat-mech

keywords fieldorderparameterquasi-two-dimensionalresonancestochasticaccountaddition

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A fluctuation theory is presented for the nonequilibrium second order phase transition in a quasi-two-dimensional electron gas. A transverse (with respect to the current through the sample) spontaneous electric field as an order parameter and a driving longitudinal field as a control parameter are used. In addition to the earlier results, the intrawell dynamics is taken into account. Non-monotonous behavior of the periodic signal gain as a function of the noise power (stochastic resonance) is predicted.

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Stochastic resonance in a quasi-two-dimensional superlattice. II

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