Journal
PHYSICAL REVIEW B
Volume 92, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.92.201104
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Funding
- Slovenian Research Agency (ARRS) [P1-0044, J1-4244]
- L'Oreal-UNESCO national scholarship For Women in Science
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We present a theory for the recombination of (charged) holons and doublons in one-dimensional organic Mott insulators, which is responsible for the decay of the photoexcited state. Due to the charge-spin separation, the dominant mechanism for recombination at low density of charges involves a multiphonon emission. We show that a reasonable coupling to phonons is sufficient to explain the fast recombination observed by pump-probe experiments in ET-F(2)TCNQ, whereby we can also account for the measured pressure dependence of the recombination rate.
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