Anharmonicity-induced polaron relaxation in GaAs/InAs quantum dots

6533b7d6fe1ef96bd1266de9

RESEARCH PRODUCT

Anharmonicity-induced polaron relaxation in GaAs/InAs quantum dots

Dorota Jacak Lucjan Jacak Paweł Machnikowski J. Krasnyj

subject

Renormalization Physics Condensed Matter::Materials Science Condensed matter physics Phonon Quantum dot Anharmonicity Relaxation (NMR)Condensed Matter::Strongly Correlated Electrons Condensed Matter::Mesoscopic Systems and Quantum Hall Effect Polaron Quantum computer

description

The anharmonicity-induced relaxation of a polaron in a quantum dot is analyzed using the Davydov diagonalization method, including the coherent renormalization of the relevant third-order phonon interaction. The resulting relaxation time for a small GaAs/InAs self-assembled quantum dot turns out to be a few times longer than that found previously by a perturbative method.

year	journal	country	edition	language
2002-02-28	Physical Review B

https://doi.org/10.1103/physrevb.65.113305

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