The role of non-equilibrium dynamics in photo-induced phase transitions of correlated materials

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Naslov:	The role of non-equilibrium dynamics in photo-induced phase transitions of correlated materials
Avtorji:	ID Urbančič, Jurij (Avtor), et al.
Datoteke:	Gradivo nima datotek. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u.
Jezik:	Angleški jezik
Vrsta gradiva:	Delo ni kategorizirano
Tipologija:	1.12 - Objavljeni povzetek znanstvenega prispevka na konferenci
Organizacija:	UNG - Univerza v Novi Gorici
Opis:	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.
Ključne besede:	Correlated Materials, High Harmonic Generation, ARPES
Status objave pri reviji:	Objavljeno
Leto izida:	2015
COBISS.SI-ID:	16574979
NUK URN:	URN:SI:UNG:REP:FBVQNCKN
Datum objave v RUNG:	22.05.2020
Število ogledov:	2199
Število prenosov:	0
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