About: System-Dependent Signatures of Electronic and Vibrational Coherences in Electronic Two-Dimensional Spectra

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1021/jz300362k
Description	In this work, we examine vibrational coherence in a molecular monomer, where time evolution of a nuclear wavepacket gives rise to oscillating diagonal- and off-diagonal peaks in two-dimensional electronic spectra. We find that the peaks oscillate out-of-phase, resulting in a cancellation in the corresponding pump probe spectra. Our results confirm the unique disposition of two-dimensional electronic spectroscopy (2D-ES) for the study of coherences. The oscillation pattern is in excellent agreement with the diagrammatic analysis of the third-order nonlinear response. We show how 2D-ES can be used to distinguish between ground- and excited-state wavepackets. On the basis of our results, we discuss coherences in coupled molecular aggregates involving both electronic and nuclear degrees of freedom. We conclude that a general distinguishing criterion based on the experimental data alone cannot be devised. In this work, we examine vibrational coherence in a molecular monomer, where time evolution of a nuclear wavepacket gives rise to oscillating diagonal- and off-diagonal peaks in two-dimensional electronic spectra. We find that the peaks oscillate out-of-phase, resulting in a cancellation in the corresponding pump probe spectra. Our results confirm the unique disposition of two-dimensional electronic spectroscopy (2D-ES) for the study of coherences. The oscillation pattern is in excellent agreement with the diagrammatic analysis of the third-order nonlinear response. We show how 2D-ES can be used to distinguish between ground- and excited-state wavepackets. On the basis of our results, we discuss coherences in coupled molecular aggregates involving both electronic and nuclear degrees of freedom. We conclude that a general distinguishing criterion based on the experimental data alone cannot be devised. (en)
Title	System-Dependent Signatures of Electronic and Vibrational Coherences in Electronic Two-Dimensional Spectra System-Dependent Signatures of Electronic and Vibrational Coherences in Electronic Two-Dimensional Spectra (en)
skos:prefLabel	System-Dependent Signatures of Electronic and Vibrational Coherences in Electronic Two-Dimensional Spectra System-Dependent Signatures of Electronic and Vibrational Coherences in Electronic Two-Dimensional Spectra (en)
skos:notation	RIV/00216208:11320/12:10127456!RIV13-GA0-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP205/10/0989), P(MEB061107)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Mančal, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	173149
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10127456
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	dynamics; relaxation; spectroscopy; quantum coherence (en)
http://linked.open.../riv/klicoveSlovo	relaxation spectroscopy dynamics quantum coherence
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[B823CA20E312]
http://linked.open...i/riv/nazevZdroje	Journal of physical chemistry letters
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Molecular Complexes as Open Quantum Systems: Delocalization, Decoherence, Dissipation, Photo-induced dynamics and Ultrafast Spectroscopy Multidimensional spectroscopy of electron and vibrational coherences in pigment complexes
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	3
http://linked.open...iv/tvurceVysledku	Mančal, Tomáš Bixner, Oliver Christensson, Niklas Hauer, Juergen Kauffmann, Harald F. Milota, Franz Lukes, Vladimir
http://linked.open...ain/vavai/riv/wos	000305092500013
issn	1948-7185
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/jz300362k
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	System-Dependent Signatures of Electronic and Vibrational Coherences in Electronic Two-Dimensional Spectra

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