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Studying the potential of QQq at finite temperature in a holographic model
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abstract
Using the gauge/gravity duality, we investigate the string breaking and dissolution of two heavy quarks coupled to a light quark at finite temperature. It is found that there exist three configurations of QQq with the increase of separate distance for heavy quarks in the confined phase. Besides, the string breaking occurs at the distance $L_{\rm{QQq}} = 1.27 \rm{fm}$($T = 0.1 \rm{GeV}$) for the decay mode $\rm{Q Q q \rightarrow Q q q+Q \bar{q}}$. In the deconfined phase, QQq will melt at a certain distance then becomes free quarks. At last, we compare the potential of QQq with that of $\rm{Q\bar{Q}}$ and find $\rm{Q\bar{Q}}$ is more stable than QQq at high temperature.
Forward citations
Cited by 2 Pith papers
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Gravitational form factors of the pion in light-front holographic QCD
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Thermodynamics of Heavy Quarkonium in a Bayesian Holographic QCD model
In a Bayesian holographic QCD model, rising temperature and baryon chemical potential lower the quarkonium dissociation distance and make binding energy vanish at smaller separation, promoting dissociation.
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