CYCLOTRON-RESONANCE OF MAGNETOPOLARON IN CYLINDRICAL QUANTUM WIRES WITH ARBITRARY MAGNETIC-FIELDS

By solving the effective mass equation with the variational method, we studied the cyclotron resonance of magnetopolaron in cylindrical quan tum wires with arbitrary magnetic fields. The interaction of the elect ron with surface-optical (SO) phonons is used. Having calculated the g round state energy and the excited state energy of the magnetopolaron, we obtain the cyclotron resonance frequency of the magnetopolaron. Th e effect of the electron-SO phonon interaction decreases the cyclotron resonance frequency. Furthermore with the increasing strength of magn etic fields, the cyclotron resonance frequency of the magnetopolaron f or m = 1 (m = -1) increases (decreases) monotonously. When the confine ment energy is much less than the Landau quantization energy, our resu lts tend to the bulk case correctly. the same magnetic field strength, our results show that, the larger the confinement length of the quant um wire is, the smaller the absolute value of the electron-SO phonon i nteraction energy and the cyclotron resonance frequency are.