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Title:The role of non-equilibrium dynamics in photo-induced phase transitions of correlated materials
Authors:ID Urbančič, Jurij (Author), et al.
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Language:English
Work type:Not categorized
Typology:1.12 - Published Scientific Conference Contribution Abstract
Organization:UNG - University of Nova Gorica
Abstract:We use femtosecond extreme-ultraviolet time- and angle-resolved photoelectron spectroscopy to study the ultrafast photo-induced suppression of the charge-density wave (CDW) in 1T-TiSe2. In the following non-equilibrium electron dynamics after femtosecond laser excitation, we see that hot-carrier multiplication is the primary driver for the ultrafast CDW suppression. As soon as the optically excited carriers have relaxed to a quasi-equilibrium hot Fermi-distribution electron gas, the CDW suppression stops. Theoretical calculations of the hot-carrier scattering processes and the screening properties further link the carrier multiplication to the observed CDW gap dynamics.
Keywords:Correlated Materials, High Harmonic Generation, ARPES
Publication status:Published
Year of publishing:2015
PID:20.500.12556/RUNG-5466-6573556e-fcf7-5376-87f6-0414549ffe34 New window
COBISS.SI-ID:16574979 New window
NUK URN:URN:SI:UNG:REP:FBVQNCKN
Publication date in RUNG:22.05.2020
Views:4157
Downloads:0
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URBANČIČ, Jurij, 2015, The role of non-equilibrium dynamics in photo-induced phase transitions of correlated materials. In : DPG-Frühjahrstagungen 2015 [online]. Published Scientific Conference Contribution Abstract. Berlin. 2015. [Accessed 11 April 2025]. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=5466
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Record is a part of a monograph

Title:DPG-Frühjahrstagungen 2015
Place of publishing:Berlin
Year of publishing:2015

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