000218709 001__ 218709
000218709 005__ 20190317000450.0
000218709 022__ $$a1948-7185
000218709 02470 $$2ISI$$a000376421200023
000218709 0247_ $$a10.1021/acs.jpclett.6b00646$$2doi
000218709 037__ $$aARTICLE
000218709 245__ $$aUltrafast Relaxation Dynamics of the Ethylene Cation C
000218709 269__ $$a2016
000218709 260__ $$c2016
000218709 300__ $$a6
000218709 336__ $$aJournal Articles
000218709 520__ $$aWe present a combined experimental and computational study of the relaxation dynamics of the ethylene cation. In the experiment, we apply an extreme-ultraviolet-pump/infrared-probe scheme that permits us to resolve time scales on the order of 10 fs. The photoionization of ethylene followed by an infrared (IR) probe pulse leads to a rich structure in the fragment ion yields reflecting the fast response of the molecule and its nuclei. The temporal resolution of our setup enables us to pinpoint an upper bound of the previously defined ethylene ethylidene isomerization time to 30 +/- 3 fs. Time dependent density functional based trajectory surface hopping simulations show that internal relaxation between the first excited states and the ground state occurs via three different conical intersections. This relaxation unfolds on femtosecond time scales and can be probed by ultrashort IR pulses. Through this probe mechanism, we demonstrate a route to optical control of the important dissociation pathways leading to separation of H or H-2.
000218709 700__ $$aLudwig, André
000218709 700__ $$g220471$$aLiberatore, Elisa$$0245875
000218709 700__ $$aHerrmann, Jens
000218709 700__ $$aKasmi, Lamia
000218709 700__ $$aLópez-Tarifa, Pablo
000218709 700__ $$aGallmann, Lukas
000218709 700__ $$g150117$$aRothlisberger, Ursula$$0241350
000218709 700__ $$aKeller, Ursula
000218709 700__ $$aLucchini, Matteo
000218709 773__ $$q1901-1906$$k10$$j7$$tThe Journal of Physical Chemistry Letters
000218709 8560_ $$fmurat.kilic@epfl.ch
000218709 8564_ $$uhttps://infoscience.epfl.ch/record/218709/files/Full%20Text.pdf$$s2586063
000218709 909C0 $$xU2$$0252093$$pLCBC
000218709 909CO $$ooai:infoscience.tind.io:218709$$qGLOBAL_SET$$pSB$$particle
000218709 917Z8 $$x232236
000218709 937__ $$aEPFL-ARTICLE-218709
000218709 973__ $$rREVIEWED$$sPUBLISHED$$aEPFL
000218709 980__ $$aARTICLE