Journal
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
Volume 101, Issue -, Pages 178-187Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physe.2018.04.001
Keywords
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Funding
- DFG priority program [SFB 689]
- Volkswagen Stiftung Program
- Russian Science Foundation [14-12-01067]
- National Science Centre (Poland) [DEC-2012/06/A/ST3/00247]
- Foundation for Polish Science through the IRA Programme
- EU within SG OP
- foundation BASIS
- Russian Science Foundation [17-12-00030] Funding Source: Russian Science Foundation
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Circular and linear magnetic quantum ratchet effects induced by alternating electric fields in the terahertz frequency range have been observed. The ratchet current shows 1/B-periodic oscillations with an amplitude, which is much larger than the photocurrent at zero magnetic field and is sensitive to the orientation of the terahertz electric field (linear ratchet) and to the radiation helicity (circular ratchet). The ratchet effects are detected in (Cd,Mn)Te quantum well structures with dual-grating-gate lateral superlattices. Theoretical analysis performed in the framework of semiclassical approach and taking into account the Landau quantization describes well the experimental data.
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