Ratchet transport of a two-dimensional electron gas at cyclotron resonance
arXiv:1510.06625 · doi:10.1103/PhysRevB.93.075306
Abstract
The driving of charge carriers confined in a quantum well lacking the center of space inversion by an alternating electric field leads to the formation of a direct electric current. We develop a microscopic theory of such a quantum ratchet effect for quantum wells subjected to a static magnetic field. We show that the ratchet current emerges for a linearly polarized alternating electric field as well as a rotating electric field and drastically increases at the cyclotron resonance conditions. For the magnetic field tilted with respect to the quantum well normal, the ratchet current contains an additional resonance at the first subharmonic of the cyclotron resonance.
8 pages, 4 figures
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Cited by in corpus (11)
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- Steering multiattractors to overcome parameter inaccuracy and noise effects
- Optimizing thermally affected ratchet currents using periodic perturbations
- Cyclotron resonance induced photogalvanic effect in surface states of 200 nm thick strained HgTe films
- Second harmonic generation at the edge of a two-dimensional electron gas
- Current induced by a tilted magnetic field in phosphorene under terahertz laser radiation
- Thermal generation of shift electric current
- Magnetic ratchet effect in phosphorene