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Exploring Light-Cone Distribution Amplitudes from Quantum Computing

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arxiv 2207.13258 v2 pith:FWRPJARQ submitted 2022-07-27 hep-ph hep-exnucl-thquant-ph

Tianyin Li , Xingyu Guo , Wai Kin Lai , Xiaohui Liu , Enke Wang , Hongxi Xing , Dan-Bo Zhang , Shi-Liang Zhu This is my paper · ORCID
classification hep-phhep-exnucl-thquant-ph
keywords quantumalgorithmlcdasamplitudesclassicaldistributionlcdalight-cone
verification ladder T0 review T1 audit T2 compute T3 formal
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Light-cone distribution amplitudes (LCDAs) are essential nonperturbative quantities for theoretical predictions of exclusive high-energy processes in quantum chromodynamics (QCD). We demonstrate the prospect of calculating LCDAs on a quantum computer by applying a recently proposed quantum algorithm, with staggered fermions, to the simulation of the LCDA in the (1+1)-dimensional Nambu-Jona-Lasinio (NJL) model on classical hardware. The agreement between the result from the classical simulation of the quantum algorithm and that from exact diagonalization justifies the proposed quantum algorithm. We find that the resulting LCDA in the NJL model exhibits features shared with the LCDAs obtained from QCD.

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Cited by 3 Pith papers

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