Abstract
Optical absorption spectra of yellow series excitons in cuprous oxide were measured with right and left circularly polarized light in magnetic fields up to 4.5 T generated by a superconducting magnet. Magneto-oscillatory spectra were observed in the high magnetic field and short wavelength region above the hydrogenic series. The Zeeman splittings of the hydrogenic series are equal to those of the magneto-oscillatory spectra. Energies of the diamagnetic term of the hydrogenic series are also equal to the cyclotron energy of the magneto-oscillatory spectra. It is concluded from these facts that the two absorption spectra are due to transitons to the same excitonic states.
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