nLab holographic light front QCD

Idea

The semiclassical approximation to bottom-up holographic QCD is light front holographic QCD, named after the light cone-coordinates in terms if which the effective Schrödinger equation for the quarks is written.

Related concept

• light-cone gauge quantization

• flat space holography

References

General

Background on light-front QCD for quantum hadrodynamics:

• International Light Cone Advisory Committee, Light-Front Quantum Chromodynamics: A framework for the analysis of hadron physics, Nuclear Physics B - Proceedings Supplements Volumes 251–252, June–July 2014, Pages 165-174 (arXiv:1309.6333, doi:10.1016/j.nuclphysbps.2014.05.004)

• Edward Shuryak, Ismail Zahed, Hadronic structure on the light-front I: Instanton effects and quark-antiquark effective potentials (arXiv:2110.15927)

• Edward Shuryak, Ismail Zahed, Hadronic structure on the light-front II: QCD strings, Wilson lines and potentials (arXiv:2111.01775)

Original articles on holographic LFQCD:

• Stanley Brodsky, Guy de Teramond, Light-Front Hadron Dynamics and AdS/CFT Correspondence, Phys. Lett. B582:211-221, 2004 (arXiv:hep-th/0310227)

• Guy de Teramond, Stanley Brodsky, Light-Front Holography: A First Approximation to QCD, Phys. Rev. Lett. 102:081601, 2009 (arXiv:0809.4899)

Relation to renormalization (field-strength renormalization):

• Stanley Brodsky, Guy de Teramond, Alexandre Deur, AdS/QCD, Light-Front Holography, and the Nonperturbative Running Coupling, International Journal of Modern Physics A Vol. 25, No. 27n28, pp. 5009-5024 (2010) (arXiv:1002.4660, doi:10.1142/S0217751X10050822)

Review in:

• Stanley Brodsky, Guy de Teramond, Hans Günter Dosch, Joshua Erlich,

  Light-Front Holographic QCD and Emerging Confinement, Physics Reports Volume 584, 8 July 2015, Pages 1-105 (arXiv:1407.8131)

• Alexandre Deur, Stanley Brodsky, Guy de Teramond, Section 4.2 of: The QCD Running Coupling, Prog. Part. Nuc. Phys. 90 1 (2016) (arXiv:1604.08082, doi:10.1016/j.ppnp.2016.04.003)

• Liping Zou, Hans Günter Dosch, A very Practical Guide to Light Front Holographic QCD, (arXiv:1801.00607)

• Stanley Brodsky, Color Confinement and Supersymmetric Properties of Hadron Physics from Light-Front Holography, International Conference on Beauty, Charm and Hyperon Hadrons (BEACH 2018) 17–23 June 2018, Peniche, Portugal (arXiv:1912.12578)

• Ruben Sandapen, An overview of light-front holography (arXiv:2001.03479)

• Stanley Brodsky, Guy de Teramond, Hans Günter Dosch, Light-Front Holography and Supersymmetric Conformal Algebra: A Novel Approach to Hadron Spectroscopy, Structure, and Dynamics (arXiv:2004.07756)

• Stanley Brodsky, Supersymmetric and Other Novel Features of Hadron Physics from Light-Front Holography, Proceedings of the 24th Workshop, “What Comes Beyond the Standard Models” (arXiv:2112.02453)

Further concerning confinement and chiral symmetry breaking:

• Guy de Teramond, Stanley Brodsky, Longitudinal dynamics and chiral symmetry breaking in holographic light-front QCD (arXiv:2103.10950)

Specifically regarding rho-mesons:

• Satvir Kaur, Chandan Mondal, Harleen Dahiya, Light-front holographic $\rho$-meson distributions in the momentum space (arXiv:2009.04288)

See also

• Harun Omer, Embedding LFHQCD in Worldsheet String Theory (arXiv:1909.12866)

• Alfredo Vega, Miguel Angel Martin Contreras, Two-body light front wave functions from general AdS/QCD models (arXiv:2005.04501)

Application to B-meson physics:

• Mohammad Ahmady, Holographic light-front QCD in B meson phenomenology (arXiv:2001.00266)

Relation to hadron supersymmetry

Discussion of hadron supersymmetry via light cone supersymmetric quantum mechanics in holographic light front QCD:

• Guy de Teramond, Hans Günter Dosch, Stanley Brodsky, Baryon Spectrum from Superconformal Quantum Mechanics and its Light-Front Holographic Embedding, Phys. Rev. D 91, 045040 (2015) (arXiv:1411.5243)

• Hans Günter Dosch, Guy de Teramond, Stanley Brodsky, Supersymmetry Across the Light and Heavy-Light Hadronic Spectrum, Phys. Rev. D 92, 074010 (2015) (arXiv:1504.05112)

• Stanley Brodsky, Guy de Téramond, Hans Günter Dosch, Cédric Lorcé, Meson/Baryon/Tetraquark Supersymmetry from Superconformal Algebra and Light-Front Holography, International Journal of Modern Physics AVol. 31, No. 19, 1630029 (2016) (arXiv:1606.04638)

• Hans Günter Dosch, Guy de Teramond, Stanley Brodsky, Supersymmetry Across the Light and Heavy-Light Hadronic Spectrum II, Phys. Rev. D 95, 034016 (2017) (arXiv:1612.02370)

• Marina Nielsen, Stanley Brodsky, Hadronic Superpartners from Superconformal and Supersymmetric Algebra, Phys. Rev. D 97, 114001 (2018) (arXiv:1802.09652)

• Marina Nielsen, Stanley Brodsky, Guy F. de Téramond, Hans Günter Dosch, Fernando S. Navarra, Liping Zou, Supersymmetry in the Double-Heavy Hadronic Spectrum, Phys. Rev. D 98, 034002 (2018) (arXiv:1805.11567)

In view of tetraquarks:

• Hans Günter Dosch, Stanley Brodsky, Guy de Teramond, Marina Nielsen, Liping Zou, Exotic States in a Holographic Theory (arXiv:2012.02496)