Intense AC field driven superlattices with barrier width dimerization
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The evolution of two coupled mini-bands, generated by alternating barrier widths dimerization of a superlattice, driven by intense AC fields is investigated. The present model delivers a useful framework for the transition between the analytical high frequency regime and the extreme low frequency limit described by models based on Fukuyama's {\it et al.} (Phys. Rev. B {\bf 8}, 5579 (1973)) proposal.
5 pages, 6 figures ps, Revtex
5 pages, 6 figures ps, Revtex