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1.
The role of non-equilibrium dynamics in photo-induced phase transitions of correlated materials
Jurij Urbančič, 2015, published scientific conference contribution abstract

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
Published in RUNG: 22.05.2020; Views: 3096; Downloads: 0

2.
The CITIUS light source
Sandra Gardonio, Giovanni De Ninno, Barbara Ressel, 2013, published scientific conference contribution abstract

Keywords: femtosecond laser source, time resolved photoemission spectroscopy, correlated electron materials
Published in RUNG: 06.05.2014; Views: 7372; Downloads: 37
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