Abstract
High-field transport of electrons in semiconductor superlattices under intense parallel magnetic and time-dependent electric fields is investigated within a quantum-kinetic approach. Intra-collisional field effects of all fields are taken into account. In a biased superlattice subject to an intense radiation field of terahertz frequency, cyclotron-Stark-phonon-photon current resonances are predicted to occur for particular ratios of the Bloch , cyclotron , and terahertz frequencies . Under strong irradiation, pronounced maxima appear at resonance positions given by , where l, n, m are integers and the phonon frequency. Electro-phonon resonances are enhanced by a magnetic field but strongly weakened by an intense terahertz electric field.
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