Meson-Δ and Meson-Nucleon-Δ Transition Coupling Constants in the Soft-Wall Model of Holographic QCD at Finite Temperatures
Abstract
In this paper, minimal coupling constants of meson-Δ baryon and meson-nucleon to Δ baryon transition
have been investigated in the AdS/QCD soft-wall model at finite temperature limits. Initially, the right
and left profile functions of Δ baryons have been calculated using the Rarita-Schwinger field in this model.
After this, the expressions of coupling constants have been written by considering the profile functions of
thermal hadrons according to the zero-temperature case of expressions. Then, the temperature dependence
graphs have been plotted for strong couplings gρΔΔ(T), ga1ΔΔ(T), and gρNΔ(T). As a result, it was observed
that the values of minimal coupling constants decrease with increasing temperature and approach zero
near the Hawking temperature.
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