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Anomalous polarization dependence in vibrationally resolved resonant inelastic x-ray scattering of H2O
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Theoretical Chemistry and Biology. Royal Inst Technol, Theoret Chem & Biol, S-10691 Stockholm, Sweden..
Stockholm Univ, AlbaNova Univ Ctr, Dept Phys, S-10691 Stockholm, Sweden..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Theoretical Chemistry and Biology. Siberian Fed Univ, Inst Nanotechnol Spect & Quantum Chem, Krasnoyarsk 660041, Russia..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Theoretical Chemistry and Biology.ORCID iD: 0000-0003-4020-0923
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2018 (English)In: Physical Review A: covering atomic, molecular, and optical physics and quantum information, ISSN 2469-9926, E-ISSN 2469-9934, Vol. 98, no 1, article id 012507Article in journal (Refereed) Published
Abstract [en]

It is well established that different electronic channels, in resonant inelastic x-ray scattering (RIXS), display different polarization dependences due to different orientations of their corresponding transition dipole moments in the molecular frame. However, this effect does not influence the vibrational progression in the Franck-Condon approximation. We have found that the transition dipole moments of core excitation and deexcitation experience ultrafast rotation during dissociation in the intermediate core-excited state. This rotation makes the vibrational progression in RIXS sensitive to the polarization of the x-ray photons. We study the water molecule, in which the effect is expressed in RIXS through the dissociative core-excited state where the vibrational scattering anisotropy is accompanied also by violation of parity selection rules for the vibrations.

Place, publisher, year, edition, pages
American Physical Society, 2018. Vol. 98, no 1, article id 012507
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-232763DOI: 10.1103/PhysRevA.98.012507ISI: 000439279500006Scopus ID: 2-s2.0-85050471678OAI: oai:DiVA.org:kth-232763DiVA, id: diva2:1236606
Funder
Swedish Research CouncilKnut and Alice Wallenberg Foundation, KAW-2013.0020Carl Tryggers foundation
Note

QC 20180803

Available from: 2018-08-03 Created: 2018-08-03 Last updated: 2018-08-06Bibliographically approved

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da Cruz, Vinicius VazIgnatova, NinaCouto, Rafael C.Kimberg, Victor

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da Cruz, Vinicius VazIgnatova, NinaCouto, Rafael C.Kimberg, VictorGel'mukhanov, Faris
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