activity
20152026
most citedNucleon structure from basis light-front quantization

75 citations · 426 across the 43 of their papers we have counts for

collaborators

45 papers

hep-ph2026

Color Lorentz force on a transversely polarized quark in the nucleon

Ziqi Zhang, Chandan Mondal, Siqi Xu +2

The moment of the genuine twist-3 component of the unpolarized scalar parton distribution function is related to the average transverse color Lorentz force experienced…

hep-ph2026

Exclusive photoproduction in photon-proton diffractive scattering: A light-front Hamiltonian approach

Xiaoyi Wu, Zhi Hu, Chandan Mondal +5

We investigate the cross-section for exclusive production in photon-proton diffractive scattering within the Basis Light-Front Quantization (BLFQ) framework. The leading-orde…

hep-ph2026

Spin-orbit correlation of quarks within quarkonium

Tianyang Hu, Xianghui Cao, Siqi Xu +3

The spin-orbit correlation (SOC) provides a unique probe into the internal spin structure of hadrons. Defined via the parity-odd (P-odd) energy-momentum tensor (EMT), this observab…

hep-ph2026

Generalized parton distributions of valence, sea, and gluon components of the proton

Yiping Liu, Siqi Xu, Chandan Mondal +2

We compute the generalized parton distributions (GPDs) of valence quarks, sea quarks, and gluons in the proton using light-front wave functions obtained within the basis light-fron…

hep-ph2026

Transverse force tomography inside a proton from Basis Light-front Quantization

Ziqi Zhang, Chandan Mondal, Siqi Xu +2

The twist-3 transverse spin--dependent nucleon structure function arises in high-energy processes involving a transversely polarized nucleon. Its connection to quark--gluon c…

hep-ph2026

Spin entanglement signatures of proton from a light-front Hamiltonian

Chen Qian, Siqi Xu, Yang-Guang Yang +1

Quantum entanglement provides a quantitative probe of the internal structure of hadrons and offers a sensitive means to study the quantum correlation in the hadron wave functions.…

hep-ph2026

Non-perturbative flavor asymmetry in the nucleon and deuteron: The light-front Hamiltonian effective field theory approach

Xianghui Cao, Shan Cheng, Yihan Duan +3

We investigate non-perturbative multi-pion contributions to nucleon flavor asymmetry within the framework of Light-Front Hamiltonian Effective Field Theory (LFHEFT). Utilizing a Fo…

hep-ph2026

Dynamical gluon effects in twist-3 generalized parton distributions of the proton

Ziqi Zhang, Chandan Mondal, Siqi Xu +2

Within the Basis Light-Front Quantization framework, we systematically investigate the subleading-twist (twist-3) generalized parton distributions (GPDs) of the proton's valence qu…

hep-ph2025★ 3 cited

Nucleon Structure from Basis Light-Front Quantization : Status and Prospects

James P. Vary, Chandan Mondal, Siqi Xu +2

We review recent advancements in understanding nucleon structure within the Basis Light-Front Quantization (BLFQ) framework--a fully relativistic, nonperturbative approach to solvi…

hep-ph2025

Proton Gravitational Structure and Mass Decomposition on the Light Front

Sreeraj Nair, Chandan Mondal, Siqi Xu +2

Gravitational form factors (GFFs) of hadrons encode essential information about the internal distributions of mass, spin, pressure, and shear among their quark and gluon constituen…

hep-ph2025

Basis light-front quantization approach to deuteron

Chandan Mondal, Satvir Kaur, Jiatong Wu +3

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…

hep-ph2025

Basis light-front quantization: Advancing a first principles approach for the nucleon

Chandan Mondal, Siqi Xu, Yiping Liu +4

We present our recent progress in applying the basis light-front quantization approach to investigate the nucleon's structure. We solve its wave functions from the eigenstates of t…

hep-ph2025

Color structure of deuteron on the light front

Satvir Kaur, Jiatong Wu, Siqi Xu +3

We investigate the color structure of the deuteron by solving the light-front QCD Hamiltonian for its six-quark and six-quark-one-gluon components using basis light-front quantizat…

hep-ph2025

Basis light-front quantization for the and baryons

Lingdi Meng, Tian-Cai Peng, Zhi Hu +6

Within the basis light-front quantization framework, we compute the masses and light-front wave functions of the baryon and its isospin triplet counterparts , ,…

hep-ph2025

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

Pengxiang Zhang, Yiping Liu, Siqi Xu +3

We calculate all leading-twist gluon generalized parton distributions (GPDs) inside the proton at nonzero skewness using the basis light-front quantization framework. The proton's…

hep-ph2024

Quark and gluon entanglement in the proton based on a light-front Hamiltonian

Chen Qian, Siqi Xu, Yang-Guang Yang +1

Given that the wave function of a proton can be derived relativistically and nonperturbatively from a light-front quantized Hamiltonian, investigating the quantum correlation betwe…

hep-ph2024★ 3 cited

Double parton distributions of the proton from basis light-front quantization

Tian-Cai Peng, Zhi Hu, Sreeraj Nair +5

Within the basis light-front quantization framework, we systematically investigate the unpolarized and longitudinally polarized double parton distributions (DPDs) of quarks inside…

hep-ph2024★ 1 cited

Towards a first principles light-front Hamiltonian for the nucleon

Siqi Xu, Yiping Liu, Chandan Mondal +4

We solve the nucleon's wave functions from the eigenstates of the light-front quantum chromodynamics Hamiltonian for the first time, using a fully relativistic and nonperturbative…

hep-ph2024★ 1 cited

Chiral-odd gluon generalized parton distributions in the proton: A light-front quantization approach

Bolang Lin, Sreeraj Nair, Chandan Mondal +5

Within the basis light-front quantization (BLFQ) framework, we evaluate the gluon chiral-odd generalized parton distributions (GPDs) inside the proton at zero skewness. We employ t…

hep-ph2024★ 9 cited

Gravitational form factor of charmonium from shear stress

Tianyang Hu, Xianghui Cao, Siqi Xu +3

Based on our recent analysis of the hadronic matrix element of the stress-energy tensor in covariant light front dynamics, we extract the charmonium gravitational form factor $D(Q^…

hep-ph2024★ 6 cited

Energy momentum tensor on and off the light cone: exposition with scalar Yukawa theory

Xianghui Cao, Siqi Xu, Yang Li +4

We compute the gravitational form factors , and of the scalar Yukawa theory using both the light-cone and covariant perturbation theory at the one-loop level.…

hep-ph2024★ 11 cited

Transverse structure of the proton beyond leading twist: A light-front Hamiltonian approach

Zhimin Zhu, Siqi Xu, Jiatong Wu +7

Within the Basis Light-Front Quantization framework, we systematically investigate the subleading twist (twist-3) transverse-momentum-dependent parton distribution functions (TMDs)…

hep-ph2024★ 3 cited

Flavor asymmetry from the non-perturbative nucleon sea

Yihan Duan, Siqi Xu, Shan Cheng +3

We demonstrate, in the context of a scalar version of the chiral effective field theory, that the multi-sea quark contribution to the nucleon is significant and highly non-trivial…

hep-ph2024★ 9 cited

Stress out of charmonia

Siqi Xu, Xianghui Cao, Tianyang Hu +3

We investigate the gravitational form factors of charmonium. Our method is based on a Hamiltonian formalism on the light front known as basis light-front quantization. The charmoni…