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Gluon field digitization via group space decimation for quantum computers

URN to cite this document:
urn:nbn:de:bvb:355-epub-454085
DOI to cite this document:
10.5283/epub.45408
Ji, Yao ; Lamm, Henry ; Zhu, Shuchen
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Date of publication of this fulltext: 01 Apr 2021 12:48


Abstract

Efficient digitization is required for quantum simulations of gauge theories. Schemes based on discrete subgroups use fewer qubits at the cost of systematic errors. We systematize this approach by deriving a single plaquette action for approximating general continuous gauge groups through integrating out field fluctuations. This provides insight into the effectiveness of these approximations, and ...

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