Adiabatic Quantum Simulators

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Adiabatic Quantum Simulators

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dc.contributor.author Biamonte, J. D
dc.contributor.author Bergholm, V.
dc.contributor.author Whitfield, James D.
dc.contributor.author Fitzsimons, J.
dc.contributor.author Aspuru-Guzik, Alan
dc.date.accessioned 2011-01-13T16:20:24Z
dc.date.issued 2011
dc.identifier.citation Biamonte, J. D., V. Bergholm, James D. Whitfield, J. Fitzsimons, and Alan Aspuru-Guzik. 2011. "Adiabatic quantum simulators." AIP Advances (1):022126. en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:4657467
dc.description.abstract In his famous 1981 talk, Feynman proposed that unlike classical computers, which would presumably experience an exponential slowdown when simulating quantum phenomena, a universal quantum simulator would not. An ideal quantum simulator would be controllable, and built using existing technology. In some cases, moving away from gate-model-based implementations of quantum computing may offer a more feasible solution for particular experimental implementations. Here we consider an adiabatic quantum simulator which simulates the ground state properties of sparse Hamiltonians consisting of one- and two-local interaction terms, using sparse Hamiltonians with at most three-local interactions. Properties of such Hamiltonians can be well approximated with Hamiltonians containing only two-local terms. The register holding the simulated ground state is brought adiabatically into interaction with a probe qubit, followed by a single diabatic gate operation on the probe which then undergoes free evolution until measured. This allows one to recover e.g. the ground state energy of the Hamiltonian being simulated. Given a ground state, this scheme can be used to verify the QMA-complete problem LOCAL HAMILTONIAN, and is therefore likely more powerful than classical computing. en_US
dc.description.sponsorship Chemistry and Chemical Biology en_US
dc.language.iso en_US en_US
dc.relation.isversionof doi:10.1063/1.3598408 en_US
dc.relation.hasversion http://arxiv.org/abs/1002.0368
dash.license OAP
dc.title Adiabatic Quantum Simulators en_US
dc.type Journal Article en_US
dc.description.version Author's Original en_US
dash.depositing.author Aspuru-Guzik, Alan
dc.date.available 2011-01-13T16:20:24Z

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  • FAS Scholarly Articles [7587]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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