Peculiar Hot Electron Effects in Crossed Electric and Magnetic Fields
نویسنده
چکیده
Hot carrier effects expected (in some cases observed) in crossed electric (both static and microwave) and magnetic (not quantum) fields are surveyed. The case that the carrieroptical phonon interaction is strong compared with the other scattering processes is of main concern. In static electric fields, the principal effect is the carrier accumulation in a special region of the momentum space which leads to, e.g., population inversion, negative differential conductivity, superradiance and specific shift of cyclotron resonance in p-type germanium. In intense microwave fields, remarkable is systematic characters exhibited by the carrier motion which bring about some peculiar effects such as the bunching in the momentum space. $
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