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.

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.

Good afternoon. First of all, I’d like to thank the two opponents, Professor Sharrock and Professor Engeström for their positive assessment of my dissertation as well as for the both critical and helpful comments they have offered. I guess that anybody who has the major part of his or her work for more than a decade evaluated by highly esteemed colleagues will look forward to reading their asse...

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