Journal
PHYSICAL REVIEW LETTERS
Volume 105, Issue 24, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.246402
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Funding
- [20110005]
- Grants-in-Aid for Scientific Research [22550134, 20110005] Funding Source: KAKEN
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Ultrafast dynamics of the light-matter interaction in a charge-ordered molecular insulator alpha-(BEDT-TTF)(2)I(3) were studied by pump-probe spectroscopy using few-optical-cycle infrared pulses (pulse width 12 fs). Coherent oscillation of the correlated electrons and subsequent Fano destructive interference with intramolecular vibration were observed in time domain; the results indicated a crucial role for electron-electron interplay in the light-matter interaction leading to the photoinduced insulator-to-metal transition. The qualitative features of this correlated electron motion were reproduced by calculations based on exact many-electron-phonon wave functions.
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