Vector Meson Gravitational Form Factors and Generalized Parton Distributions at finite temperature within the soft-wall AdS/QCD Model

Abstract

We investigate the vector meson's gravitational form factors (GFFs) and generalized parton distributions (GPDs) at finite temperatures within the soft-wall AdS/ QCD model. The plotted soft-wall GFFs graphs at zero temperature are close to the hard-wall results [1]. The dependence on temperature of the GFFs and GPDs is studied using the thermal dilaton approach in the soft-wall model. Plots of thermal GFFs show that they decrease in temperature increase. Also, the gravitational radius of $\rho$ meson decreases in temperature growth and becomes zero around the critical temperature $T_c=0.2\mathrm{GeV}$. GPDs at zero skewness are plotted and analyzed at zero and finite temperature cases.

19 pages, 9 figures, added references, numerical analysis extended, match to published version

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