Quantum Computing Hadron Fragmentation Functions in Light-Front Chromodynamics
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918165166948352 |
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| author | Gálvez-Viruet, Juan José Llanes-Estrada, Felipe J. de Arenaza, Nicolás Martínez Gómez-Rocha, María Hobbs, Timothy J. |
| author_facet | Gálvez-Viruet, Juan José Llanes-Estrada, Felipe J. de Arenaza, Nicolás Martínez Gómez-Rocha, María Hobbs, Timothy J. |
| contents | We deploy Quantum Chromodynamics (QCD) in Light-front Quantization (and Gauge), discretized and truncated in both Fock -- and momentum -- spaces with a particle-register encoding suited for quantum simulation; we show for the first time how to calculate fragmentation functions, a problem heretofore untractable in general from \emph{ab-initio} approaches. We provide a classical-simulator based proof-of-concept by computing the charm-to-charmonium fragmentation, $c\to J/ψ$, in a simplified setup, an interesting case where we can (reasonably) compare with the known 1993 perturbative evaluation within Nonrelativistic QCD. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_18869 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Quantum Computing Hadron Fragmentation Functions in Light-Front Chromodynamics Gálvez-Viruet, Juan José Llanes-Estrada, Felipe J. de Arenaza, Nicolás Martínez Gómez-Rocha, María Hobbs, Timothy J. High Energy Physics - Phenomenology High Energy Physics - Theory We deploy Quantum Chromodynamics (QCD) in Light-front Quantization (and Gauge), discretized and truncated in both Fock -- and momentum -- spaces with a particle-register encoding suited for quantum simulation; we show for the first time how to calculate fragmentation functions, a problem heretofore untractable in general from \emph{ab-initio} approaches. We provide a classical-simulator based proof-of-concept by computing the charm-to-charmonium fragmentation, $c\to J/ψ$, in a simplified setup, an interesting case where we can (reasonably) compare with the known 1993 perturbative evaluation within Nonrelativistic QCD. |
| title | Quantum Computing Hadron Fragmentation Functions in Light-Front Chromodynamics |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2510.18869 |