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Gluon field digitization via group space decimation for quantum computers

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Ji, Yao ; Lamm, Henry ; Zhu, Shuchen
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 01 Apr 2021 12:48


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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