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Quantum Device Emulates the Dynamics of Two Coupled Oscillators
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    Physical Insights into Quantum Phenomena and Function

    Quantum Device Emulates the Dynamics of Two Coupled Oscillators
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    • Ksenia Komarova
      Ksenia Komarova
      The Fritz Haber Center for Molecular Dynamics and Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
    • Hugo Gattuso
      Hugo Gattuso
      Theoretical Physical Chemistry, UR MolSys B6c, University of Liège, B4000 Liège, Belgium
      More by Hugo Gattuso
    • R. D. Levine
      R. D. Levine
      The Fritz Haber Center for Molecular Dynamics and Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
      Department of Chemistry and Biochemistry  and  Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, California 90095, United States
      More by R. D. Levine
    • F. Remacle*
      F. Remacle
      Theoretical Physical Chemistry, UR MolSys B6c, University of Liège, B4000 Liège, Belgium
      The Fritz Haber Center for Molecular Dynamics and Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
      *Email: [email protected]
      More by F. Remacle
    Other Access OptionsSupporting Information (1)

    The Journal of Physical Chemistry Letters

    Cite this: J. Phys. Chem. Lett. 2020, 11, 17, 6990–6995
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    https://doi.org/10.1021/acs.jpclett.0c01880
    Published August 4, 2020
    Copyright © 2020 American Chemical Society

    Abstract

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    Our quantum device is a solid-state array of semiconducting quantum dots that is addressed and read by 2D electronic spectroscopy. The experimental ultrafast dynamics of the device is well simulated by solving the time-dependent Schrödinger equation for a Hamiltonian that describes the lower electronically excited states of the dots and three laser pulses. The time evolution induced in the electronic states of the quantum device is used to emulate the quite different nonequilibrium vibrational dynamics of a linear triatomic molecule. We simulate the energy transfer between the two local oscillators and, in a more elaborate application, the expectation values of the quantum mechanical creation and annihilation operators of each local oscillator. The simulation uses the electronic coherences engineered in the device upon interaction with a specific sequence of ultrafast pulses. The algorithm uses the algebraic description of the dynamics of the physical problem and of the hardware.

    Copyright © 2020 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.jpclett.0c01880.

    • Details on the closed algebra for two inequivalent harmonic oscillators, Fermi-type anharmonic coupling, coupling of anharmonic oscillators, spin–orbit coupling of a single dot, and modeling of the 2D electronic spectroscopy maps (PDF)

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    This article is cited by 17 publications.

    1. Dawit Hiluf Hailu. Implementation of finite state logic machines via the dynamics of atomic systems. Results in Optics 2025, 18 , 100789. https://doi.org/10.1016/j.rio.2025.100789
    2. James R. Hamilton, Raphael D. Levine, Francoise Remacle. Constructing Dynamical Symmetries for Quantum Computing: Applications to Coherent Dynamics in Coupled Quantum Dots. Nanomaterials 2024, 14 (24) , 2056. https://doi.org/10.3390/nano14242056
    3. James R. Hamilton, Edoardo Amarotti, Carlo N. Dibenedetto, Marinella Striccoli, Raphael D. Levine, Elisabetta Collini, Francoise Remacle. Time–Frequency Signatures of Electronic Coherence of Colloidal CdSe Quantum Dot Dimer Assemblies Probed at Room Temperature by Two-Dimensional Electronic Spectroscopy. Nanomaterials 2023, 13 (14) , 2096. https://doi.org/10.3390/nano13142096
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    6. James R. Hamilton, Edoardo Amarotti, Carlo Nazareno Dibenedetto, Marinella Striccoli, R. D. Levine, Elisabetta Collini, F. Remacle. Harvesting a Wide Spectral Range of Electronic Coherences with Disordered Quasi‐Homo Dimeric Assemblies at Room Temperature. Advanced Quantum Technologies 2022, 5 (11) https://doi.org/10.1002/qute.202200060
    7. Elisabetta Collini, , . 2D electronic spectroscopic techniques towards quantum technology applications. 2022, 21. https://doi.org/10.1117/12.2608527
    8. Laszlo Gyongyosi, Sandor Imre, , . Resource optimization for the quantum Internet. 2022, 71. https://doi.org/10.1117/12.2607957
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    10. K. Komarova, Francoise Remacle, R. D. Levine. Compacting the density matrix in quantum dynamics: Singular value decomposition of the surprisal and the dominant constraints for anharmonic systems. The Journal of Chemical Physics 2021, 155 (20) https://doi.org/10.1063/5.0072351
    11. Laszlo Gyongyosi, Sandor Imre, , . Distributed quantum computation for near-term quantum environments. 2021, 17. https://doi.org/10.1117/12.2585996
    12. Elisabetta Collini, Hugo Gattuso, R. D. Levine, F. Remacle. Ultrafast fs coherent excitonic dynamics in CdSe quantum dots assemblies addressed and probed by 2D electronic spectroscopy. The Journal of Chemical Physics 2021, 154 (1) https://doi.org/10.1063/5.0031420
    13. K. Komarova, F. Remacle, R. D. Levine. Surprisal of a quantum state: Dynamics, compact representation, and coherence effects. The Journal of Chemical Physics 2020, 153 (21) , 214105. https://doi.org/10.1063/5.0030272
    14. Laszlo Gyongyosi. Objective function estimation for solving optimization problems in gate-model quantum computers. Scientific Reports 2020, 10 (1) https://doi.org/10.1038/s41598-020-71007-9
    15. Laszlo Gyongyosi, Sandor Imre. Resource prioritization and balancing for the quantum internet. Scientific Reports 2020, 10 (1) https://doi.org/10.1038/s41598-020-78960-5
    16. Ksenia Komarova, Hugo Gattuso, R. D. Levine, F. Remacle. Parallel Quantum Computation of Vibrational Dynamics. Frontiers in Physics 2020, 8 https://doi.org/10.3389/fphy.2020.590699
    17. Laszlo Gyongyosi. Decoherence dynamics estimation for superconducting gate-model quantum computers. Quantum Information Processing 2020, 19 (10) https://doi.org/10.1007/s11128-020-02863-7

    The Journal of Physical Chemistry Letters

    Cite this: J. Phys. Chem. Lett. 2020, 11, 17, 6990–6995
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.jpclett.0c01880
    Published August 4, 2020
    Copyright © 2020 American Chemical Society

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