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Related papers: Extending light-front holographic QCD using the 't…

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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

One of the most fundamental problems in Quantum Chromodynamics is to understand the origin of the mass scale which controls the range of color confinement and the hadronic spectrum. We show that a mass gap and a fundamental color…

High Energy Physics - Theory · Physics 2015-06-19 Stanley J. Brodsky , Guy F. de Téramond , Hans Günter Dosch

A primary question in hadron physics is how the mass scale for hadrons consisting of light quarks, such as the proton, emerges from the QCD Lagrangian even in the limit of zero quark mass. If one requires the effective action which…

High Energy Physics - Phenomenology · Physics 2015-12-09 S. J. Brodsky , A. Deur , G. F. de Teramond , H. G. Dosch

The breaking of chiral symmetry in holographic light-front QCD is encoded in its longitudinal dynamics with its chiral limit protected by the superconformal algebraic structure which governs its transverse dynamics. The scale in the…

High Energy Physics - Phenomenology · Physics 2022-01-05 Guy F. de Teramond , Stanley J. Brodsky

The valence Fock-state wavefunctions of the light-front QCD Hamiltonian satisfy a relativistic equation of motion with an effective confining potential $U$ which systematically incorporates the effects of higher quark and gluon Fock states.…

High Energy Physics - Phenomenology · Physics 2015-06-23 Stanley J. Brodsky , Guy F. de Téramond , Alexandre Deur , Hans Günter Dosch

The QCD light-front Hamitonian equation derived from quantization at fixed LF time provides a causal, frame-independent, method for computing hadron spectroscopy and dynamical observables. de Alfaro, Fubini, and Furlan (dAFF) have made an…

High Energy Physics - Phenomenology · Physics 2017-09-06 Stanley J. Brodsky

We describe a procedure to extend the light-front holographic approach to hadronic physics to include light-quark masses. The proposed framework allows us to extend the formalism of de Alfaro, Fubini and Furlan to the frame-independent…

High Energy Physics - Phenomenology · Physics 2014-05-13 Guy F. de Teramond , Stanley J. Brodsky , Hans Gunter Dosch

We construct a Schrodinger-like equation for the longitudinal wave function of a meson in the valence qq-bar sector, based on the 't Hooft model for large-N two-dimensional QCD, and combine this with the usual transverse equation from…

High Energy Physics - Phenomenology · Physics 2015-06-05 S. S. Chabysheva , J. R. Hiller

I review how the application of superconformal quantum mechanics and light-front holography leads to new insights into the physics of color confinement, the spectroscopy and dynamics of hadrons, as well as surprising supersymmetric…

High Energy Physics - Phenomenology · Physics 2025-03-31 Stanley J. Brodsky

I review applications of superconformal algebra. light-front holography, and an extended form of conformal symmetry to hadron spectroscopy and dynamics. QCD is not supersymmetrical in the traditional sense -- the QCD Lagrangian is based on…

High Energy Physics - Theory · Physics 2020-01-08 Stanley J. Brodsky

In this report we explore the remarkable connections between light-front dynamics, its holographic mapping to gravity in a higher-dimensional anti-de Sitter (AdS) space, and conformal quantum mechanics. This approach provides new insights…

High Energy Physics - Phenomenology · Physics 2016-08-08 Stanley J. Brodsky , Guy F. de Teramond , Hans Gunter Dosch , Joshua Erlich

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

We show that the holographic Schr\"odinger equation of light-front chiral QCD, together with the 't Hooft equation of (1+1)-dimensional QCD in the large $N_c$ limit, can simultaneously describe pion spectroscopy as well as the pion decay…

High Energy Physics - Phenomenology · Physics 2022-12-21 Mohammad Ahmady , Satvir Kaur , Chandan Mondal , Ruben Sandapen

QCD is analysed with two light-front continuum dimensions and two transverse lattice dimensions. In the limit of large number of colours and strong transverse gauge coupling, the contributions of light-front and transverse directions…

High Energy Physics - Lattice · Physics 2009-11-10 Apoorva Patel , Raghunath Ratabole

A complementary approach, derived from (a) higher dimensional anti--de Sitter (AdS) space, (b) light-front quantization and (c) the invariance properties of the full conformal group in one dimension leads to a nonperturbative relativistic…

High Energy Physics - Theory · Physics 2015-06-15 Stanley J. Brodsky , Guy F. de Teramond , Hans Gunter Dosch

Light-Front Holography leads to a rigorous connection between hadronic amplitudes in a higher dimensional anti-de Sitter (AdS) space and frame-independent light-front wavefunctions of hadrons in 3+1 physical space-time, thus providing a…

High Energy Physics - Phenomenology · Physics 2012-03-29 Stanley J. Brodsky , Fu-Guang Cao , Guy F. de Teramond

The correspondence between theories in anti-de Sitter space and conformal field theories in physical space-time leads to an analytic, semiclassical model for strongly-coupled QCD which has scale invariance at short distances and color…

High Energy Physics - Phenomenology · Physics 2014-08-27 Stanley J. Brodsky , Guy de Teramond , Robert Shrock

We find a correspondence between semiclassical QCD quantized on the light-front and a dual gravity model in anti--de Sitter (AdS) space, thus providing an initial approximation to QCD in its strongly coupled regime. This correspondence --…

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

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 orbital angular momentum. The result is a single-variable…

High Energy Physics - Phenomenology · Physics 2008-10-13 Stanley J. Brodsky , Guy F. de Teramond

Light-Front Quantization provides a physical, frame-independent formalism for hadron dynamics and structure. Observables such as structure functions, transverse momentum distributions, and distribution amplitudes are defined from the…

High Energy Physics - Phenomenology · Physics 2016-04-20 Stanley J. Brodsky
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