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We study coherent electron dynamics in a biassed undriven ideal semiconductorsuperlattice coupled to the continuum, near energy level anticrossings. Inparticular, we examine the dependence of wavepacket dynamical characteristicson electric field detuning, and investigate mixed regimes involving asuperposition of energy level anticrossings showing both Rabi oscillations andresonant tunnelling. In earlier work [Phys. Rev. B 75 165421 (2007)], Rabi andZener resonances were shown to have a common origin, and a criteria for theoccurrence of either was proposed. The present results allow a betterunderstanding of the nature of an interminiband resonance, which can be usefulin the areas of microwave radiation generation and matter manipulation on theparticle level, as well as demonstrate an alternative approach to examiningelectron level structure of a finite superlattice.

Resonant carrier dynamics in strongly biassed superlattices