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

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We study the motion of ballistic electrons in a single miniband of a semiconductor superlattice (SSL) driven by a terahertz laser 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 behavior and symmetry-breaking. Finally, we estimate the magnitude of the DC current and voltage that spontaneously appear in regions of broken-symmetry for parameters characteristic of real SSLs.

Original languageBritish English
Pages (from-to)129-133
Number of pages5
JournalPhysica D: Nonlinear Phenomena
Volume113
Issue number2-4
DOIs
StatePublished - 1998

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