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Modulation of the Dephasing Time for a Magnetoplasma in a Quantum Well by Wu, M. W.; Haug, H. is a scholarly article available to read on EtoBox.

What is Modulation of the Dephasing Time for a Magnetoplasma in a Quantum Well about?

We investigate the femtosecond kinetics of optically excited 2D magneto-plasma. We calculate the femtosecond dephasing and relaxation kinetics of the laser pulse excited magneto-plasma due to bare Coulomb potential scattering, because screening is under these conditions of minor importance. By taking into account four Landau subbands in both the conduction band and the valence band, we are now able to extend our earlier study [Phys. Rev. B {\bf 58}, 1998,in print (see also cond-mat/9808073] to lower magnetic fields. We can also fix the magnetic field and change the detuning to further investigate the carrier density-dependence of the dephasing time. For both cases, we predict strong modulation in the dephasing time.

Author

Wu, M. W.; Haug, H.

Published

1998

Language

EN