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26 April 2024 |
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Stochastic resonance in a quasi-two-dimensional superlattice. II | | G. M. Shmelev
; E. M. Epshtein
; A. S. Matveev
; | | Date: |
30 Dec 2003 | | Subject: | Mesoscopic Systems and Quantum Hall Effect; Statistical Mechanics | cond-mat.mes-hall cond-mat.stat-mech | | Affiliation: | Volgograd State Pedagogical University, Volgograd, Russia, Institute for Radio Engineering and Electronics of the Russian Academy of Sciences, Fryazino, Russia | | Abstract: | 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. | | Source: | arXiv, cond-mat/0312692 | | Services: | Forum | Review | PDF | Favorites | |
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