Drag force in a string model dual to large-N QCD
Pere Talavera
TL;DR
This paper calculates the drag force on quarks and di-quark systems in a large-N QCD dual model at finite temperature, revealing different behaviors for each case and reviewing screening lengths.
Contribution
It provides new insights into drag forces in a holographic large-N QCD model, highlighting differences between quark and di-quark systems at finite temperature.
Findings
Drag force proportional to quark mass
No drag force on di-quark systems
Review of screening length in the model
Abstract
We compute the drag force exerted on a quark and a di-quark systems in a background dual to large-N QCD at finite temperature. We find that appears a drag force in the former setup with flow of energy proportional to the mass of the quark while in the latter there is no dragging as in other studies. We also review the screening length.
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