Decay rate and renormalized frequency shift of superradiant exciton in a cylindrical quantum wire

Details Decay rate and renormalized frequency shift of superradiant exciton in a cylindrical quantum wire Decay rate and renormalized frequency shift of superradiant exciton in a cylindrical quantum wire

2002-12-11

arxiv.org/abs/cond-mat/0212236v1

Physica B 334, 175 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, to appear in Physica B (2003)

Scientific paper

10.1016/S0921-4526(03)00043-7

The decay rate and renormalized frequency shift of superradiant exciton in a cylindrical quantum wire are studied. The transition behavior from 1D wire to 2D film is examined through the property of the radiative decay. Similar to the case in a quantum well, the decay rate of the higher mode exciton is larger than that of the lower mode one. Moreover, it is also found the decay rate and frequency shift do not show oscillatory dependence on wire radius because of the conservation of angular momentum.

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