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

ABSTRACT: We propose a non-linear, hybrid quantum-classical scheme for simulating non-equilibrium dynamics of strongly correlated fermions described by the Hubbard model in a Bethe lattice in the thermodynamic limit. Our scheme implements non-equilibrium dynamical mean field theory (DMFT) and uses a digital quantum simulator to solve a quantum impurity problem whose parameters are iterated to self-consistency via a classically computed feedback loop where quantum gate errors can be partly accounted for. We analyse the performance of the scheme in an example case.

SUBMITTER: Kreula JM

PROVIDER: S-EPMC5016988 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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

Kreula J M JM Clark S R SR Jaksch D D

Scientific reports 20160909

We propose a non-linear, hybrid quantum-classical scheme for simulating non-equilibrium dynamics of strongly correlated fermions described by the Hubbard model in a Bethe lattice in the thermodynamic limit. Our scheme implements non-equilibrium dynamical mean field theory (DMFT) and uses a digital quantum simulator to solve a quantum impurity problem whose parameters are iterated to self-consistency via a classically computed feedback loop where quantum gate errors can be partly accounted for. W ...[more]

PMID: 27609673

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