Cloud Quantum Computing of an Atomic Nucleus

E. F. Dumitrescu; A. J. McCaskey; G. Hagen; G. R. Jansen; T. D. Morris; T. Papenbrock; R. C. Pooser; D. J. Dean; P. Lougovski

doi:10.1103/PhysRevLett.120.210501

Cloud Quantum Computing of an Atomic Nucleus

E. F. Dumitrescu, A. J. McCaskey, G. Hagen, G. R. Jansen, T. D. Morris, T. Papenbrock, R. C. Pooser, D. J. Dean, P. Lougovski

Research output: Contribution to journal › Article › peer-review

290 Scopus citations

Abstract

We report a quantum simulation of the deuteron binding energy on quantum processors accessed via cloud servers. We use a Hamiltonian from pionless effective field theory at leading order. We design a low-depth version of the unitary coupled-cluster ansatz, use the variational quantum eigensolver algorithm, and compute the binding energy to within a few percent. Our work is the first step towards scalable nuclear structure computations on a quantum processor via the cloud, and it sheds light on how to map scientific computing applications onto nascent quantum devices.

Original language	English
Article number	210501
Journal	Physical Review Letters
Volume	120
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.120.210501
State	Published - May 23 2018

Funding

We acknowledge access to the IBM QX5 quantum chip, the Rigetti Quantum Virtual Machine, and to the Rigetti 19Q quantum chip. Plots were made with Matplotlib . This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under Grants No. DE-FG02-96ER40963, No. DE-SC0018223 (NUCLEI SciDAC-4 collaboration), and the field work proposals ERKBP57 and ERKBP72 at Oak Ridge National Laboratory (ORNL). ORNL is managed by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 for the U.S. Department of Energy. This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research (ASCR) quantum algorithms and testbed programs, under field work proposal numbers ERKJ332 and ERKJ335. This work used resources of the Oak Ridge Leadership Computing Facility located at ORNL, which is supported by the Office of Science of the Department of Energy under Contract No. DE-AC05-00OR22725.

Funders	Funder number
Office of Science of the Department of Energy
U.S. Department of Energy
Office of Science
Advanced Scientific Computing Research	ERKJ335, ERKJ332
Nuclear Physics	DE-FG02-96ER40963, DE-SC0018223
Oak Ridge National Laboratory	DE-AC05-00OR22725

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10.1103/PhysRevLett.120.210501

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AU - Papenbrock, T.

AU - Pooser, R. C.

AU - Dean, D. J.

AU - Lougovski, P.

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Cloud Quantum Computing of an Atomic Nucleus

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