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26 November 2020
 
  » arxiv » cond-mat/0104144

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Symmetry-breaking and chaos in electron transport in semiconductor superlattices
Kirill N. Alekseev ; Ethan H. Cannon ; Jonathan C. McKinney ; Feodor V. Kusmartsev ; David K. Campbell ;
Date 9 Apr 2001
Journal Physica D, 113 (1998) 129-133
Subject Mesoscopic Systems and Quantum Hall Effect; Statistical Mechanics; Chaotic Dynamics | cond-mat.mes-hall cond-mat.stat-mech nlin.CD
AbstractWe study the motion of electrons in a single miniband of a semiconductor superlattice driven by THz electric field polarized along the growth direction. We work in the semiclassical balance-equation model, including different elastic and inelastic scattering rates, and incorporating the self-consistent electric field generated by electron motion. We explore regions of complex dynamics, which can include chaotic behaviour and symmetry-breaking. We estimate the magnitudes of dc current and dc voltage that spontaneously appear in regions of broken-symmetry for parameters characteristic of modern semiconductor superlattices. This work complements PRL 80(1998)2669 [ cond-mat/9709026 ].
Source arXiv, cond-mat/0104144
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