108 citations · 570 across the 25 of their papers we have counts for
25 papers
Erratum: Exact solutions to the fermion propagator Schwinger-Dyson equation in Minkowski space with on-shell renormalization for quenched QED \newline [Phys. Rev. D 96, 036021 (2017)]
Shaoyang Jia, Michael R. Pennington
With the introduction of a spectral representation, the Schwinger--Dyson equation (SDE) for the fermion propagator is formulated in Minkowski space in QED. After imposing the on-sh…
Formulating Schwinger--Dyson equations for QED propagators in Minkowski space
Shaoyang Jia
The Schwinger--Dyson equations (SDEs) are coupled integral equations for the Green's functions of a quantum field theory (QFT). The SDE approach is the analytic nonperturbative met…
Pion Electromagnetic Form Factor from Bethe-Salpeter Amplitudes with Appropriate Kinematics
Shaoyang Jia, Ian Cloët
Within the framework provided by quantum chromodynamics's Schwinger-Dyson equations (SDEs), the pion's electromagnetic form factor is computed using solutions of the Bethe-Salpeter…
Nakanishi integral representation of pseudoscalar fermion-antifermion bound states in the Bethe--Salpeter equation
Shaoyang Jia
We propose a method to solve for the pseudoscalar bound state amplitude of a fermion and an antifermion from its Bethe--Salpeter equation (BSE) in the Minkowski space applying spec…
Quark propagator with complex-valued momentum from Schwinger-Dyson equation in the Euclidean space
Shaoyang Jia, Ian Cloët
In the Euclidean-space formulation of integral equations for the structure of quantum chromodynamics (QCD) bound states, the quark propagators with complex-valued momentum are dens…
Direct solution of Minkowski-space Bethe-Salpeter equation in the massive Wick-Cutkosky model
Shaoyang Jia
In order to solve the Bethe-Salpeter equation (BSE) in the Minkowski space, we first introduce the Nakanishi integral representations of the Bethe-Salpeter amplitude (BSA) and the…
Generalized parton distributions and spin structures of light mesons from a light-front Hamiltonian approach
Lekha Adhikari, Chandan Mondal, Sreeraj Nair +4
We present the generalized parton distributions (GPDs) for the valence quarks of the pion and the kaon in both momentum space and position space within the basis light-front quanti…
Pion to photon transition form factors with basis light-front quantization
Chandan Mondal, Sreeraj Nair, Shaoyang Jia +2
We obtain the distribution amplitude (DA) of the pion from its light-front wave functions in the basis light-front quantization framework. This light-front wave function of the pio…
Simulating Hadronic Physics on NISQ devices using Basis Light-Front Quantization
Michael Kreshchuk, Shaoyang Jia, William M. Kirby +3
The analogy between quantum chemistry and light-front quantum field theory, first noted by Kenneth G. Wilson, serves as motivation to develop light-front quantum simulation of quan…
Semileptonic Decay of to and on the Light Front
Shuo Tang, Shaoyang Jia, Pieter Maris +1
We study the semileptonic decay of the to charmonia through the bottom-to-charm-quark electroweak current in the framework of basis light-front quantization. Explicitly…
Light-Front Field Theory on Current Quantum Computers
Michael Kreshchuk, Shaoyang Jia, William M. Kirby +3
We present a quantum algorithm for simulation of quantum field theory in the light-front formulation and demonstrate how existing quantum devices can be used to study the structure…
Light mesons within the basis light-front quantization framework
Wenyang Qian, Shaoyang Jia, Yang Li +1
We study the light-unflavored mesons as relativistic bound states in the nonperturbative Hamiltonian formalism of the basis light-front quantization (BLFQ) approach. The dynamics f…
Light Meson Parton Distribution Functions from Basis Light-Front Quantization and QCD Evolution
Jiangshan Lan, Chandan Mondal, Shaoyang Jia +2
We investigate the parton distribution functions (PDFs) of the pion and kaon from the eigenstates of a light-front effective Hamiltonian in the constituent quark-antiquark represen…
On the light-front wave functions of quarkonia
Pieter Maris, Shaoyang Jia, Meijian Li +3
The light-front wave functions of hadrons allow us to calculate a wide range of physical observables; however, the wave functions themselves cannot be measured. We discuss recent r…
Minkowski-space solutions of the Schwinger-Dyson equation for the fermion propagator with the rainbow-ladder truncation
Shaoyang Jia, Pieter Maris, Dyana C. Duarte +3
We solve the Minkowski-space Schwinger-Dyson equation (SDE) for the fermion propagator in quantum electrodynamics (QED) with massive photons. Specifically, we work in the quenched…
Valence structures of light and strange mesons from the basis light-front quantization framework
Shaoyang Jia, James P. Vary
We apply the basis light-front quantization framework to solve for the structures of mesons with light and strange valence quarks. Our approach treats mesons as relativistic bound…
Pion and kaon parton distribution functions from basis light front quantization and QCD evolution
Jiangshan Lan, Chandan Mondal, Shaoyang Jia +2
We investigate the parton distribution functions (PDFs) of the pion and the kaon by combining quantum chromodynamics (QCD) evolution with the basis light front quantization. The in…
Towards Minkowski space solutions of Dyson-Schwinger Equations through un-Wick rotation
Tobias Frederico, Dyana C. Duarte, Wayne de Paula +3
The fermion self-energy is calculated from the rainbow-ladder truncation of the Dyson-Schwinger equation (DSE) in quantum electrodynamics (QED) for spacelike momenta and in the com…
Parton Distribution Functions from a Light Front Hamiltonian and QCD Evolution for Light Mesons
Jiangshan Lan, Chandan Mondal, Shaoyang Jia +2
We obtain the pion and the kaon parton distribution functions from the eigenstates of a light front effective Hamiltonian in the constituent quark-antiquark representation suitable…
Parton distribution functions from scalar light-front parton gas model
Shaoyang Jia, James P. Vary
We propose an application of a microcanonical ensemble with light-front kinematics to model the phase-space distribution of relativistic constituents of a bound state. These consti…
Basis light front quantization for the charged light mesons with color singlet Nambu--Jona-Lasinio interactions
Shaoyang Jia, James P. Vary
We apply the basis light front quantization (BLFQ) approach to describe the valence structures of the charged light meson ground states. Specifically, the light front wavefunctions…
Exact Solutions to the Fermion Propagator Schwinger-Dyson Equation in Minkowski space with on-shell Renormalization for Quenched QED
Shaoyang Jia, M. R. Pennington
With the introduction of a spectral representation, the Schwinger-Dyson equation (SDE) for the fermion propagator is formulated in Minkowski space in QED. After imposing the on-she…
How gauge covariance of the fermion and boson propagators in QED constrain the effective fermion-boson vertex
Shaoyang Jia, M. R. Pennington
We derive the gauge covariance requirement imposed on the QED fermion-photon three-point function within the framework of a spectral representation for fermion propagators. When sa…
Landau-Khalatnikov-Fradkin transformation for the fermion propagator in QED in arbitrary dimensions
Shaoyang Jia, M. R. Pennington
We explore the dependence of fermion propagators on the covariant gauge fixing parameter in quantum electrodynamics (QED) with the number of spacetime dimensions kept explicit. Gau…