Abstract
We present a recent calculation of the gravitational form factors (GFFs) of proton using the light-front quark-diquark model constructed by the soft-wall AdS/QCD[1]. The four GFFs ~A(Q^2)A(Q2) , B(Q^2)B(Q2) , C(Q^2)C(Q2) and \bar{C}(Q^2)C‾(Q2) are calculated in this model. We also show the pressure and shear distributions of quarks inside the proton. The GFFs, A(Q^2)A(Q2) and B(Q^2)B(Q2) are found to be consistent with the lattice QCD, while the qualitative behavior of the DD-term form factor is in agreement with the extracted data from the deeply virtual Compton scattering (DVCS) experiments at JLab, the lattice QCD, and the predictions of different phenomenological models.
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