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Abstract
The jet quenching parameter of an anisotropic plasma depends on the relative orientation between the anisotropic direction, the direction of motion of the parton, and the direction along which the momentum broadening is measured. We calculate the jet quenching parameter of an anisotropic, strongly coupled plasma by means of its gravity dual. We present the results for arbitrary orientations and arbitrary values of the anisotropy. The anisotropic value can be larger or smaller than the isotropic one, and this depends on whether the comparison is made at equal temperatures or at equal entropy densities. We compare our results to analogous calculations for the real-world quark-gluon plasma and find agreement in some cases and disagreement in others.
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1 Universitat de Barcelona (UB), Departament de Física Fonamental & Institut de Ciències del Cosmos (ICC), Barcelona, Spain (GRID:grid.5841.8) (ISNI:0000000419370247); Centre for Mathematical Sciences, Department of Applied Mathematics and Theoretical Physics, Cambridge, U.K. (GRID:grid.5335.0) (ISNI:0000000121885934)
2 Universitat de Barcelona (UB), Departament de Física Fonamental & Institut de Ciències del Cosmos (ICC), Barcelona, Spain (GRID:grid.5841.8) (ISNI:0000000419370247)
3 Universitat de Barcelona (UB), Departament de Física Fonamental & Institut de Ciències del Cosmos (ICC), Barcelona, Spain (GRID:grid.5841.8) (ISNI:0000000419370247); Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain (GRID:grid.425902.8) (ISNI:000000009601989X)
4 University of Wisconsin, Department of Physics, Madison, U.S.A. (GRID:grid.14003.36) (ISNI:0000000099041312); Universidade de São Paulo, Instituto de Física, São Paulo, Brazil (GRID:grid.11899.38) (ISNI:0000000419370722)