Quantum annealing for jet clustering with thrust

Delgado, A.; Thaler, Jesse

doi:10.1103/physrevd.106.094016

Cited by 8 publications

(1 citation statement)

References 36 publications

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“…One of these alternatives comprises quantum algorithms. They have been very recently applied to a wide variety of problems in HEP, including jet reconstruction [38][39][40][41][42][43][44], determination of parton densities (PDFs) [45], anomaly detection [46], integration of scattering processes [47][48][49], among others. In our case, we decided to implement a Grover-based search algorithm [50,51] to identify all the DAGs within a given Feynman diagram.…”

Section: Quantum Algorithms and Causal Flowmentioning

confidence: 99%

Geometrical causality: casting Feynman integrals into quantum algorithms

Sborlini

2023

Supl. Rev. Mex. Fis.

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The calculation of higher-order corrections in Quantum Field Theories is a challenging task. In particular, dealing with multiloop and multileg Feynman amplitudes leads to severe bottlenecks and a very fast scaling of the computational resources required to perform the calculation. With the purpose of overcoming these limitations, we discuss efficient strategies based on the Loop-Tree Duality, its manifestly causal representation and the underlying geometrical interpretation. In concrete, we exploit the geometrical causal selection rules to define a Hamiltonian whose ground-state is directly related to the terms contributing to the causal representation. In this way, the problem can be translated into a minimization one and implemented in a quantum computer to search for a potential speed-up.

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