Photoionization cross section of hydrogenic impurities in cylindrical quantum wires: Infinite well model

Heon Ham, Cheol Jin Lee, Harold N. Spector

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Abstract

The dependence of the photoionization cross section of hydrogenic impurities on the photon energy was discussed using variational wave function for impurities in cylindrical quantum wires. It was found that the calculation was performed using the infinite confining potential well model. It was observed that the photoionization cross section depended upon locations of the impurity in the wire. Analysis shows that for the polarization of the radiation parallel to the axis of the wire, the cross section initially increased from zero at the threshold frequency for photoionization to occur.

Original languageEnglish
Pages (from-to)335-339
Number of pages5
JournalJournal of Applied Physics
Volume96
Issue number1
DOIs
Publication statusPublished - 2004 Jul 1
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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