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20132025
most citedDirect Determination of Exciton Wave Function Amplitudes by the Momentum-Resolved Photo-Electron Emission Experiment

13 citations

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cond-mat.mtrl-sci2017★ 13 cited

Direct Determination of Exciton Wave Function Amplitudes by the Momentum-Resolved Photo-Electron Emission Experiment

Hiromasa Ohnishi, Norikazu Tomita, Keiichiro Nasu

We study conceptional problems of a photo-electron emission (PEE) process from a free exciton in insulating crystals. In this PEE process, only the electron constituting the excito…

cond-mat.mtrl-sci2015★ 1 cited

Instantaneous Intervalley Transition just at the Franck-Condon State in the Conduction Band of GaAs

Hiromasa Ohnishi, Norikazu Tomita, Keiichiro Nasu

We propose two possible quantum microscopic mechanisms for intervalley transitions just at the Franck-Condon state in GaAs. The first is the simultaneously combined coulombic elast…