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Mitigating algorithmic errors in a Hamiltonian simulation

Abstract:

Quantum computers can efficiently simulate many-body systems. As a widely used Hamiltonian simulation tool, the Trotter-Suzuki scheme splits the evolution into the number of Trotter steps N and approximates the evolution of each step by a product of exponentials of each individual term of the total Hamiltonian. The algorithmic error due to the approximation can be reduced by increasing N, which however requires a longer circuit and hence inevitably introduces more physical errors. In this wor...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevA.99.012334

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Oxford college:
Exeter College
Role:
Author
ORCID:
0000-0002-7766-5348
Publisher:
American Physical Society
Journal:
Physical Review A More from this journal
Volume:
99
Issue:
1
Publication date:
2019-01-18
Acceptance date:
2018-12-11
DOI:
EISSN:
2469-9934
ISSN:
2469-9926
Keywords:
Pubs id:
pubs:967029
UUID:
uuid:fbad5d8c-1320-453a-b4e1-2b5f2a52e936
Local pid:
pubs:967029
Source identifiers:
967029
Deposit date:
2019-05-14

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