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Quantum interference between photo-excited states in a solid-state Mott insulator

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Abstract

By exciting with sub-10-fs 1.6-μm pulses the quasi-one-dimensional Mott insulator ET-F2TCNQ, we observe prompt collapse of the Mott gap modulated by 24-THz oscillations of the gap, which are assigned to quantum interference between holon-doublon excitations.

© 2010 Optical Society of America

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