Stress inside the pion in holographic light-front QCD

Abstract

In this work, we propose a method to compute the gravitational form factor $D(Q^2)$ in holographic QCD by exploiting the remarkable correspondence between semi-classical light-front QCD and semi-classical field theories in wrapped spacetime in 5D. The use of light-front holography bridges physics at large $Q^2$ as attained in light-front QCD and physics at small $Q^2$ where the coupling to scalar and tensor fields, i.e. glueballs, are dominant. As an application, we compute the $D$-term for the pion, and compare the results with recent lattice simulations.

arXiv comment6 pages, 1 figure. Published on PRD as a letter

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Cited by in corpus (11)

• Gravitational form factors of pion from top-down holographic QCD
• Pion gravitational form factors in the QCD instanton vacuum I
• Pion gravitational form factors in the QCD instanton vacuum II
• Gravitational form factor $D$ of charmonium from shear stress
• Stress out of charmonia
• A step towards estimation of the neutral-hadron size: the gravitational mass radius of pi0 meson in a relativistic theory of composite particles
• Gravitational form factors of pions, kaons and nucleons from dispersion relations
• Scale-anomaly-induced binding pressure in hadrons
• Scalar-glueball-mediated scale-anomaly dominance of the confining pressure of the pion in holographic QCD
• Covariant analysis of electromagnetic current on the light cone: exposition with scalar Yukawa theory
• Accessing baryon-antibaryon generalized distribution amplitudes in $e^{\pm }\gamma \to e^{\pm }B\bar{B}$