Abstract
The existence of the Wannier Stark (WS) ladder and Bloch Oscillations (BO) have been the subjects of great controversy [1] until recent experimental demonstrations of their existence in semiconductor superlattices. The photoluminescence and photocur-rent measurements of the biased GaAs/GaAlAs superlattices [2] provided the earliest experiment evidence of the electric field induced WS ladder energy levels. Recent optical experiments on excitonic emission from double wells [3], four-wave mixing from superlattices [4], and optical absorption studies clearly indicated oscillatory electron dynamics and the manifestation of concomitant Stark-ladder transitions when optical probing is invoked. Since all these recent experiments for observing WS ladder and BO involve semiconductor superlattices in electric fields, it is very timely to investigate the Bloch electron dynamics in a homogeneous electric field.
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© 1996 Plenum Press, New York
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He, J., Iafrate, G.J. (1996). Quantum Properties of Bloch Electrons in Spatially Homogeneous Electric Fields. In: Hess, K., Leburton, JP., Ravaioli, U. (eds) Hot Carriers in Semiconductors. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0401-2_35
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DOI: https://doi.org/10.1007/978-1-4613-0401-2_35
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