Observation of quantum interferences via light-induced conical intersections in diatomic molecules

Natan, Adi; Ware, Matthew R.; Prabhudesai, Vaibhav S.; Lev, Uri; Bruner, Barry D.; Heber, Oded; Bucksbaum, Philip H.

doi:10.1103/PhysRevLett.116.143004

Title: Observation of quantum interferences via light-induced conical intersections in diatomic molecules

Journal Article · Thu Apr 07 00:00:00 EDT 2016 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.116.143004· OSTI ID:1253762

Natan, Adi ^[1]; Ware, Matthew R. ^[2]; Prabhudesai, Vaibhav S. ^[3]; Lev, Uri ^[4]; Bruner, Barry D. ^[4]; Heber, Oded ^[4]; Bucksbaum, Philip H. ^[2]

SLAC National Accelerator Lab., Menlo Park, CA (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
Tata Institute of Fundamental Research, Mumbai (India)
Weizmann Institute of Science, Rehovot (Israel)

We observe energy-dependent angle-resolved diffraction patterns in protons from strong-field dissociation of the molecular hydrogen ion H⁺₂. The interference is a characteristic of dissociation around a laser-induced conical intersection (LICI), which is a point of contact between two surfaces in the dressed 2-dimensional Born-Oppenheimer potential energy landscape of a diatomic molecule in a strong laser field. The interference magnitude and angular period depend strongly on the energy difference between the initial state and the LICI, consistent with coherent diffraction around a cone-shaped potential barrier whose width and thickness depend on the relative energy of the initial state and the cone apex. As a result, these findings are supported by numerical solutions of the time-dependent Schrodinger equation for similar experimental conditions.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1253762

Alternate ID(s):: OSTI ID: 1246189; OSTI ID: 1255753

Report Number(s):: SLAC-PUB-16532; PRLTAO

Journal Information:: Physical Review Letters, Vol. 116, Issue 14; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 59 works

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Control of Nuclear Dynamics through Conical Intersections and Electronic Coherences Arnold, Caroline; Vendrell, Oriol; Welsch, Ralph Physical Review Letters, Vol. 120, Issue 12 https://doi.org/10.1103/physrevlett.120.123001	journal	March 2018
Communication: Substantial impact of the orientation of transition dipole moments on the dynamics of diatomics in laser fields Badankó, Péter; Halász, Gábor J.; Cederbaum, Lorenz S. The Journal of Chemical Physics, Vol. 149, Issue 18 https://doi.org/10.1063/1.5054775	journal	November 2018
Geometric phase effects on photodissociation dynamics of diatomics Sun, Zhaopeng; Wang, Chunyang; Zhao, Wenkai The Journal of Chemical Physics, Vol. 149, Issue 22 https://doi.org/10.1063/1.5052514	journal	December 2018
Above-threshold dissociation occurring during photoassociation Han, Yong-Chang Laser Physics Letters, Vol. 14, Issue 12 https://doi.org/10.1088/1612-202x/aa9317	journal	November 2017
Robust field-dressed spectra of diatomics in an optical lattice Pawlak, Mariusz; Szidarovszky, Tamás; Halász, Gábor J. Physical Chemistry Chemical Physics, Vol. 22, Issue 6 https://doi.org/10.1039/c9cp06587c	journal	January 2020
Control defeasance by anti-alignment in the excited state Chang, Bo Y.; Shin, Seokmin; González-Vázquez, Jesús Physical Chemistry Chemical Physics, Vol. 21, Issue 42 https://doi.org/10.1039/c9cp04427b	journal	January 2019
Zero-energy proton dissociation of $H_{2}^{+}$ through stimulated Raman scattering Xie, Xinhua; Roither, Stefan; Larimian, Seyedreza Physical Review A, Vol. 99, Issue 4 https://doi.org/10.1103/physreva.99.043409	journal	April 2019
Comparison between the analysis of the asymptotic wavepacket and the associated flux for the calculation of kinetic-energy-releases function Han, Yong-Chang International Journal of Quantum Chemistry, Vol. 119, Issue 7 https://doi.org/10.1002/qua.25858	journal	December 2018
Control of Nuclear Dynamics through Conical Intersections and Electronic Coherences Arnold, Caroline; Vendrell, Oriol; Welsch, Ralph Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2018-01577	text	January 2018

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Title: Observation of quantum interferences via light-induced conical intersections in diatomic molecules

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