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Non-linear quantum-classical scheme to simulate non-equilibrium strongly correlated fermionic many-body dynamics


Reference:

Kreula, J. M., Clark, S. R. and Jaksch, D., 2016. Non-linear quantum-classical scheme to simulate non-equilibrium strongly correlated fermionic many-body dynamics. Scientific Reports, 6, 32940.

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    Official URL:

    https://doi.org/10.1038/srep32940

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    Abstract

    We propose a hybrid quantum-classical simulator for non-equilibrium dynamics of strongly correlated quantum lattice models in the thermodynamic limit based on ideas from dynamical mean field theory (DMFT). Our scheme uses a digital quantum coprocessor to efficiently solve an impurity problem whose parameters are iterated to self-consistency via a classically computed feedback loop where quantum gate errors can be partly accounted for. Our results indicate that a hybrid scheme with near-future quantum devices has the potential to outperform purely classical non-equilibrium DMFT simulations.

    Details

    Item Type Articles
    CreatorsKreula, J. M., Clark, S. R. and Jaksch, D.
    DOI10.1038/srep32940
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    URLURL Type
    https://doi.org/10.1038/srep32940Free Full-text
    Uncontrolled Keywordsquant-ph
    DepartmentsFaculty of Science > Physics
    Research CentresCondensed Matter Physics CDT
    RefereedYes
    StatusPublished
    ID Code53504
    Additional InformationUpdated version, main text 4 pages, 4 figures, and 7 pages of Supplementary Materials

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