Pressure inside hadrons: criticism, conjectures, and all that

Abstract

The interpretation of the energy-momentum tensor form factor $D(t)$ of hadrons in terms of pressure and shear force distributions is discussed, concerns raised in the literature are reviewed, and ways to reconcile the concerns with the interpretation are indicated.

28 pages, 2 figures. Submitted to Acta Physica Polonica B special volume dedicated to Dmitry Diakonov, Victor Petrov and Maxim Polyakov

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• Relativistic energy-momentum tensor distributions in a polarized nucleon
• Gravitational form factors of pions, kaons and nucleons from dispersion relations
• Momentum Flow Mechanisms and Color-Lorentz Forces on Quarks in the Nucleon
• Mapping the transverse spin sum rule in position space
• Pseudogauge ambiguity in the distributions of energy density, pressure, and shear force inside the nucleon
• Quantum stress and torsion distributions in the deuteron
• Energy-momentum tensor form factor D(t) of proton and neutron
• Entanglement, Trace Anomaly and Confinement in QCD
• The energy-momentum tensor in a classical model of the electron
• Renormalization of chiral perturbation theory with spinless matter field in curved spacetime
• Transverse energy-momentum tensor distributions in polarized nucleons