Urs Achim Wiedemann

TL;DR: In this paper, the gauge/string duality toolbox is used to investigate the properties of strongly coupled plasminar plasma and quarkonium mesons in strongly coupled plasma.

TL;DR: It is observed that q can be given a model-independent, nonperturbative, quantum field theoretic definition in terms of the short-distance behavior of a particular lightlike Wilson loop, and a strong-coupling calculation of q is obtained in hot N=4 supersymmetric QCD.

TL;DR: A fruitful interplay has developed between analyses of strongly-coupled non-abelian plasmas via the gauge/string duality and the phenomenology of heavy ion collisions.

TL;DR: In this article, it was shown that charm quarks behave essentially like light quarks in Pb-Pb collisions at the LHC and that at RHIC, the kinematical regime best suited for such an analysis of D mesons is 7 < pT < 12 GeV, whereas the study of lower transverse momenta is further complicated.

TL;DR: In this article, the applicability of fluid dynamics to quantify the size of corresponding dissipative effects was discussed, and it was shown that for too early initialization of the hydrodynamic evolution, or for too high transverse momentum in the final state, the expected dissipative corrections are too large for a fluid description to be reliable.