Coherent spin dynamics in quantum wells in a quantizing magnetic field
作者： E. Ya. Sherman , J. E. Sipe
DOI: 10.1103/PHYSREVB.73.205335
关键词: Spin Hall effect 、 Spin engineering 、 Quantum spin Hall effect 、 Spin quantum number 、 Spin magnetic moment 、 Relaxation (NMR) 、 Physics 、 Spin polarization 、 Spin echo 、 Condensed matter physics 、 Quantum mechanics
摘要: We investigate theoretically the coherent longitudinal and transversal spin relaxation of photoexcited electrons in quantum wells quantized magnetic fields. find time for typical well parameters between 100 1000 ps. For a realistic random potential process depends on electron energy g-factor, demonstrating oscillations polarization accompanying relaxation. The dependence applied field, thus corresponding "magnetic" length, can be used to characterize spatial scale disorder wells.
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