English
Related papers

Related papers: Holographic light-front QCD

200 papers

The study of light hadrons is central to the understanding of confinement--a unique property of QCD. The quark model describs mesons as bound states of quarks and antiquarks. LQCD and QCD-motivated models for hadrons, however, predict a…

High Energy Physics - Experiment · Physics 2019-12-23 Beijiang Liu

Gauge/gravity duality leads to a simple, analytical, and phenomenologically compelling nonperturbative approximation to the full light-front QCD Hamiltonian. This approach, called "Light-Front Holography", successfully describes the…

High Energy Physics - Theory · Physics 2011-12-20 Stanley J. Brodsky , Guy F. de Teramond

Quantum chromodynamics (QCD) with a general number of colors, $\Nc$, provides a powerful theoretical laboratory to explore the dynamics of non-Abelian gauge theories. Although $\Nc =3$ does not look a large number, the $1/\Nc$ expansion…

High Energy Physics - Phenomenology · Physics 2026-01-21 Toru Kojo

We obtain the mass spectra of strange mesons using a light-front quantized Hamiltonian with Quantum Chromodynamics (QCD) input, incorporating quark-antiquark and quark-antiquark-gluon Fock components, along with a three-dimensional…

High Energy Physics - Phenomenology · Physics 2025-01-08 Jiangshan Lan , Jialin Chen , Zhimin Zhu , Chandan Mondal , Xingbo Zhao , James P. Vary

I review progress made in solving gauge theories such as collinear quantum chromodynamics using light-cone Hamiltonian methods. I also show how the light-cone Fock expansion for hadron wavefunctions can be used to compute operator matrix…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. J. Brodsky

The study of Quantum Chromodynamics (QCD) at ultra-relativistic energies can be performed in a controlled environment through lepton-hadron deep inelastic scatterings. In such collisions, the high-energy partonic emissions that follow from…

High Energy Physics - Phenomenology · Physics 2025-01-23 Liliana Apolinário , Raghav Kunnawalkam Elayavalli , Nuno Olavo Madureira

Light-front holographic QCD provides a successful first approximation to hadron spectroscopy in the chiral limit of $(3+1)$-dim light-front QCD, where a holographic Schr\"odinger-like equation, with an emerging confining scale, $\kappa$,…

High Energy Physics - Phenomenology · Physics 2021-10-20 Mohammad Ahmady , Satvir Kaur , Sugee Lee MacKay , Chandan Mondal , Ruben Sandapen

A natural calculus for describing the bound-state structure of relativistic composite systems in quantum field theory is the light-front Fock expansion which encodes the properties of a hadrons in terms of a set of frame-independent…

High Energy Physics - Phenomenology · Physics 2009-09-11 Stanley J. Brodsky

A general strategy is described for deriving a constituent approximation to QCD, inspired by the constituent quark model and based on light-front quantization. Some technical aspects of the approach are discussed, including a mechanism for…

High Energy Physics - Theory · Physics 2007-05-23 Kenneth G. Wilson , David G. Robertson

Light-front wave functions play a fundamental role in the light-front quantization approach to QCD and hadron structure. However, a naive implementation of the light-front quantization suffers from various subtleties including the…

High Energy Physics - Phenomenology · Physics 2022-05-04 Xiangdong Ji , Yizhuang Liu

In this work we investigate $q{\bar q}$ spectra and wavefunctions of light front transverse lattice Hamiltonians that result from different methods of formulating fermions on the transverse lattice. We adopt the one link approximation for…

High Energy Physics - Phenomenology · Physics 2009-11-10 Dipankar Chakrabarti , A. Harindranath , James P. Vary

Hypernuclei, nuclei containing one or more hyperons, serve as unique laboratories for probing the non-perturbative quantum chromodynamics (QCD). Recent progress in hypernuclear physics, driven by advanced experimental techniques and…

Nuclear Theory · Physics 2025-08-21 Jin-Hui Chen , Li-Sheng Geng , Emiko Hiyama , Zhi-Wei Liu , Josef Pochodzalla

The propagation of colored quarks through strongly interacting systems, and their subsequent evolution into color-singlet hadrons, are phenomena that showcase unique facets of Quantum Chromodynamics (QCD). Medium-stimulated gluon…

High Energy Physics - Phenomenology · Physics 2014-04-21 W. K. Brooks , H. Hakobyan , M. Arratia , C. Peña

Light-Front Holography, a remarkable feature of the AdS/CFT correspondence, maps amplitudes in anti-de Sitter (AdS) space to frame-independent light-front wavefunctions of hadrons in physical space-time. The model leads to an effective…

High Energy Physics - Phenomenology · Physics 2015-06-03 Stanley J. Brodsky , Guy F. de Teramond

Starting from the Hamiltonian equation of motion in QCD, we identify an invariant light-front coordinate $\zeta$ which allows the separation of the dynamics of quark and gluon binding from the kinematics of constituent spin and internal…

High Energy Physics - Phenomenology · Physics 2009-02-27 Guy F. de Teramond , Stanley J. Brodsky

The combination of Anti-de Sitter space (AdS) methods with light-front (LF) holography provides a remarkably accurate first approximation for the spectra and wavefunctions of meson and baryon light-quark bound states. The resulting…

High Energy Physics - Phenomenology · Physics 2015-05-18 Stanley J. Brodsky , Guy F. de Teramond , Alexandre Deur

The AdS/CFT correspondence has led to important insights into the properties of quantum chromodynamics even though QCD is a broken conformal theory. A holographic model based on a truncated AdS space can be used to obtain the hadronic…

High Energy Physics - Phenomenology · Physics 2009-09-11 S. J. Brodsky , G. F. de Teramond

We show that the nonperturbative light-front dynamics of relativistic hadronic bound states has a dual semiclassical gravity description on a higher dimensional warped AdS space in the limit of zero quark masses. This mapping of AdS gravity…

High Energy Physics - Phenomenology · Physics 2012-03-20 Guy F. de Teramond , Stanley J. Brodsky

This talk is based on results obtained for masses and wave functions of heavy quarkonia in a light-front Hamiltonian formulation of QCD with just one flavor of quarks using an ansatz for the mass-gap for gluons. Since the calculated spectra…

High Energy Physics - Phenomenology · Physics 2007-12-11 Stanislaw D. Glazek

Despite that quantum chromodynamics, the theory of strong interaction, has colorful quarks and gluons as its basic degrees of freedom, all fundamental particles participating the strong interaction that can be directly detected in…

High Energy Physics - Phenomenology · Physics 2022-03-17 Feng-Kun Guo , Haiping Peng , Ju-Jun Xie , Xiaorong Zhou