Quantum Theory of Spontaneous Emission from Exciton-Electron-Phonon Complex in Solid: Quantum Interference and Many-Body Effect

Physics – Condensed Matter – Materials Science

Scientific paper

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4 pages, 3 figures

Scientific paper

A full quantum mechanical theory for the spontaneous emission from excitons simultaneously coupled to electronic excitations and anharmonic phonons in solid is developed. Origin of detailed structures, such as zero-phonon line splitting, Fano lineshape near one phonon sideband, strong second-order phonon Stokes line, asymmetric phonon anti-Stokes lines, and two-electron satellites as well as their phonon replicas recently revealed in the low-temperature photoluminescence of ZnO, has been identified by quantitative calculations from the theory.

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