Exciton mass and exciton spectrum in the cuprous oxide

  title={Exciton mass and exciton spectrum in the cuprous oxide},
  author={A. Alvermann and Holger Fehske},
  journal={Journal of Physics B: Atomic, Molecular and Optical Physics},
  • A. AlvermannH. Fehske
  • Published 28 July 2017
  • Physics
  • Journal of Physics B: Atomic, Molecular and Optical Physics
Excitons with a radius of a few lattice constants can be affected by strong central-cell corrections, leading to significant deviations of the optical spectrum from the hydrogen-like Rydberg series, and also to an enhancement of the exciton mass. We present an approach to this situation based on a lattice model that incorporates the effects of a non-parabolic band structure, short distance corrections to the Coulomb interaction between electrons and holes, spin–orbit and exchange coupling. The… 

Interaction of charged impurities and Rydberg excitons in cuprous oxide

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So far, the observation of the yellow $P$ exciton series in cuprous oxide has been limited to principal quantum numbers up to ${n}_{\text{max}}=25$ at a crystal temperature of

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We investigate the infrared optical transitions between excitons of the yellow, green and blue series in the cuprous oxide Cu$_{\mathrm{2}}$O. We show that in many cases the dipole approximation is

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