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Nonequilibrium phase transitions in a quasi-two-dimensional superlattice with parabolic miniband

G. M. Shmelev·T. A. Gorshenina·E. M. Epshtein
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Abstract

Distribution function and current density in a one-dimensional superlattice with parabolic miniband are calculated. The current dependence on the temperature coincides with experimental data. Generalization is carried out to quasi-two-dimensional superlattice with paraboloidal miniband. For a sample opened in Y direction with dc current in X direction, a novel nonequilibrium phase transition is found, namely, appearing a spontaneous transverse electric field under temperature rising.

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G. M. Shmelev, T. A. Gorshenina, E. M. Epshtein. 2006-02-13. Nonequilibrium phase transitions in a quasi-two-dimensional superlattice with parabolic miniband. https://arxiv.org/abs/cond-mat/0602292

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