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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 | | Abstract: | We 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 | | Services: | Forum | Review | PDF | Favorites | |
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