DocumentCode :
690070
Title :
A multi-terahertz view of ultrafast charge density wave dynamics in TiSe2
Author :
Porer, M. ; Menard, J.-M. ; Dachraoui, H. ; Leierseder, U. ; Groh, K. ; Demsar, J. ; Heinzmann, U. ; Huber, Rainer
Author_Institution :
Dept. of Phys., Univ. of Regensburg, Regensburg, Germany
fYear :
2013
fDate :
9-14 June 2013
Firstpage :
1
Lastpage :
2
Abstract :
We track the collective terahertz free-carrier response of 1T-TiSe2 during femtosecond photo-induced melting and recovery of a charge density wave. The formation of charge order is highly sensitive to the transient excess carrier density, suggesting a strong excitonic influence.
Keywords :
carrier density; charge density waves; excitons; high-speed optical techniques; terahertz wave spectra; titanium compounds; 1T-TiSe2; TiSe2; charge density wave recovery; charge order formation; collective terahertz free-carrier response; femtosecond photo-induced melting; multiterahertz view; strong excitonic influence; transient excess carrier density; ultrafast charge density wave dynamics; Charge carrier density; Optical amplifiers; Optical pulses; Optical pumping; Optical reflection; Scattering; Ultrafast optics;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
Type :
conf
Filename :
6834462
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=690070
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