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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...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/srep32940

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
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Funding agency for:
Kreula, J
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Funding agency for:
Jaksch, D
Grant:
641277
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Funding agency for:
Jaksch, D
Grant:
641277
Engineering and Physical Sciences Research Council More from this funder
Publisher:
Nature Publishing Group Publisher's website
Journal:
Scientific Reports Journal website
Volume:
6
Pages:
32940
Publication date:
2016-09-01
Acceptance date:
2016-08-11
DOI:
EISSN:
2045-2322
ISSN:
2045-2322
Source identifiers:
640979
Pubs id:
pubs:640979
UUID:
uuid:a08c3b2d-6bac-4a9d-ad58-51b842a293e2
Local pid:
pubs:640979
Deposit date:
2016-08-29

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