Abstract
We study the properties of heavy probes moving in strongly coupled plasmas at finite chemical potential. Using the gauge/gravity duality we consider large classes of gravity models consisting in deformed AdS\(_{\!5}\) spacetimes endowed with Reissner–Nordström-type black holes. We report on our analysis of the screening distance of a quark–antiquark pair, its free energy, and the running coupling. These observables show a certain insensitivity as to which model and deformation is used, pointing to strong-coupling universal behavior. Thus, the results may be relevant for modeling heavy quarkonia traversing a quark–gluon plasma at finite net baryon density, and their suppression by melting.
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Acknowledgments
We thank K. Schade for many helpful discussions. This work was supported by the ExtreMe Matter Institute EMMI.
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Samberg, A., Ewerz, C. (2016). Heavy Probes in Strongly Coupled Plasmas with Chemical Potential. In: Nicolini, P., Kaminski, M., Mureika, J., Bleicher, M. (eds) 1st Karl Schwarzschild Meeting on Gravitational Physics. Springer Proceedings in Physics, vol 170. Springer, Cham. https://doi.org/10.1007/978-3-319-20046-0_49
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DOI: https://doi.org/10.1007/978-3-319-20046-0_49
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