Relaxation of quasi-two-dimensional electrons in a quantizing magnetic field probed by time-resolved cyclotron resonance
作者： G. A. Khodaparast , D. C. Larrabee , J. Kono , D. S. King , S. J. Chung
DOI: 10.1103/PHYSREVB.67.035307
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摘要: We have measured the picosecond time-resolved cyclotron resonance of photogenerated transient carriers in undoped ${\mathrm{I}\mathrm{n}\mathrm{S}\mathrm{b}/\mathrm{A}\mathrm{l}}_{0.09}{\mathrm{In}}_{0.91}\mathrm{Sb}$ quantum wells by two-color pump-probe spectroscopy a magnetic field. The strong conduction-band nonparabolicity InSb causes average mass electrons, which we monitor directly time, to decrease as electrons relax towards band edge. In addition, results multiple resonances due strongly energy-dependent and g factor, allowing us determine time evolution Fermi-Dirac distribution function for excited quantizing fields.
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