Decoherence in quantum dots due to real and virtual transitions: a non-perturbative calculation
arXiv:0907.0369 · doi:10.1103/PhysRevB.80.245310
Abstract
We investigate theoretically acoustic phonon induced decoherence in quantum dots. We calculate the dephasing of fundamental (interband or intraband) optical transitions due to real and virtual transitions with higher energy levels. Up to two acoustic phonon processes (absorption and/or emission) are taken into account simultaneously in a non-perturbative manner. An analytic expression of acoustic phonon induced broadening is given as a function of the electron-phonon matrix elements and is physically interpreted. The theory is applied to the dephasing of intersublevel transitions in self-assembled quantum dots.
8 pages, 4 figures
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Cited by in corpus (8)
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- Probing electron-phonon interaction through two-photon interference in resonantly driven semiconductor quantum dots
- Phonon Decoherence of Quantum Dots in Photonic Structures: Broadening of the Zero-Phonon Line and the Role of Dimensionality
- Electron transport in quantum wire superlattices
- Microscopic theory of phonon-induced effects on semiconductor quantum dot decay dynamics in cavity QED
- Influence of phonons on solid-state cavity-QED investigated using nonequilibrium Green's functions
- Dephasing of InAs quantum dot p-shell excitons using two-dimensional coherent spectroscopy