Title :
Quantum interference between photo-excited states in a solid-state Mott insulator
Author :
Wall, S. ; Brida, D. ; Clark, S.R. ; Ehrke, H.P. ; Jaksch, D. ; Ardavan, A. ; Bonora, S. ; Uemura, H. ; Takahashi, Y. ; Hasegawa, T. ; Okamoto, H. ; Cerullo, G. ; Cavalleri, A.
Author_Institution :
Dept. of Phys., Clarendon Lab., Oxford, UK
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.
Keywords :
Conductivity; Electrons; Insulation; Interference; Materials science and technology; Optical pulses; Reflectivity; Solid state circuits; Temperature; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2