期刊
PHYSICAL REVIEW LETTERS
卷 92, 期 10, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.92.107403
关键词
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The Frohlich interaction is one of the main electron-phonon intrinsic interactions in polar materials originating from the coupling of one itinerant electron with the macroscopic electric field generated by any longitudinal optical (LO) phonon. Infrared magnetoabsorption measurements of doped GaAs quantum well structures have been carried out in order to test the concept of Frohlich interaction and polaron mass in such systems. These new experimental results lead one to question the validity of this concept in a real system.
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