Basis light-front quantization approach to deuteron

2025/05/19 by Chandan Mondal, Satvir Kaur, Mondal, Chandan +9 · 1 citation
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High Energy Physics - Theory (hep-th) #Nuclear Theory (nucl-th) #Nuclear physics research studies #Quantum Chromodynamics and Particle Interactions #Quantum and Classical Electrodynamics

paper · pdf · doi:10.48550/arxiv.2505.12889

openalex publication_date 2025/05/19 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04

Abstract

We obtain the deuteron's wave functions as eigenstates of the light-front quantum chromodynamics (QCD) Hamiltonian using a fully relativistic and nonperturbative approach based on light-front quantization, without an explicit confining potential. These eigenstates include six-quark and six-quark--one-gluon components. The deuteron wave function consists of both a singlet-singlet color state and additional hidden color states arising from non-trivial color rearrangements. Our results reveal that while the singlet-singlet state is present, the hidden color states collectively dominate, contributing a larger probability to the deuteron wave function. This highlights the significant role of hidden color components in the QCD description of nuclear structure. Using these wave functions, we investigate the deuteron's electromagnetic properties.

Citations

• Gluon skewed generalized parton distributions of proton from a light-front Hamiltonian approach
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• Renormalization of Hamiltonians

Cited by

• Semi-inclusive deep inelastic scattering off a tensor-polarized spin-1 target

Related

• Color structure of deuteron on the light front
• Basis light-front quantization: Advancing a first principles approach for the nucleon
• Towards a first principles light-front Hamiltonian for the nucleon
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• Light-Front QCD