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R2 curvature-squared corrections on Langevin diffusion coefficients

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The effect of finite coupling corrections to the Langevin diffusion coefficients on a moving heavy quark in the Super Yang-Mills plasma was investigated.These corrections are related to curvature squared corrections in the corresponding gravity sector.We compared the results of both longitudinal and perpendicular Langevin diffu-sion coefficients with those for N=4 Super Yang-Mills plasma.It was observed that the curvature-squared correc-tions influence the Langevin diffusion coefficients,and the corrections for both Langevin diffusion coefficients demonstrate the dependence on the velocity of the moving heavy quark and the specifics of the higher derivative cor-rection.In addition,we conducted calculations for the Langevin diffusion coefficients of a moving heavy quark within the Gauss-Bonnet background.

jet quenchingheavy ion collisionQGPLangevin diffusion coefficentads/cfthigher curvature gravitymomentum broadening

周琪、张本威

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Key Laboratory of Quark & Lepton Physics(MOE)and Institute of Particle Physics,Central China Normal University,Wuhan 430079,China

Helmholtz Research Academy Hessen for FAIR(HFHF),GSI Helmholtz Center for Heavy Ion Physics.Campus Frankfurt,60438 Frankfurt,Germany

Institut für Theoretische Physik,Johann Wolfgang Goethe-Universität,Max-von-Laue-Str.1,D-60438 Frankfurt am Main,Germany

2025

10.1088/1674-1137/ad8420

中国物理C(英文版)
中国物理学会　中国科学院高能物理研究所　中国科学院近代物理研究所

中国物理C(英文版)

影响因子：0.347
ISSN：1674-1137
年,卷(期)：2025.49(1)