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Free-induction decay in quantum wires

✍ Scribed by Sharmila Banerjee; Pranay K. Sen

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
138 KB
Volume
26
Category
Article
ISSN
0749-6036

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✦ Synopsis

Using the time-dependent perturbation treatment, we report the occurrence of first-order free-induction decay in GaAs/GaAlAs quantum wire structures. The results of the theoretical investigation reveal oscillations in the decay profile of the polarization. The transient transmitted intensity has been found to decay in a time comparable to the inhomogeneous broadening time, which is much shorter than the dephasing time. We have also studied the transmitted intensity as a function of wire width and found the results to be in good qualitative agreement with that available in the literature.

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