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Non-extensive Fokker-Planck transport coefficients of heavy quarks

2017/07/26 by Trambak Bhattacharyya, Bhattacharyya, Trambak, J. Cleymans +2
Mathematics · Physics and Astronomy · #FOS: Physical sciences #Fokker–Planck equation #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Nuclear Theory (nucl-th) #Particle physics #Physics #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quantum mechanics #Quark #Spectral Theory in Mathematical Physics #hep-ph #nucl-th

paper · pdf · doi:10.48550/arxiv.1707.08425

published in arXiv (Cornell University) (Cornell University) · 9 pages, 8 figures

arxiv created 2017/07/26 · openalex publication_date 2017/07/26 · arxiv updated 2017/07/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

In presence of the non-ideal plasma effects, Heavy Quarks (HQs) carry out non linear random walk inside Quark-Gluon Plasma (QGP) and in the small momentum transfer limit, the evolution of the HQ distribution is dictated by the Non Linear Fokker-Planck Equation (NLFPE). Using the NLFPE, we calculate the transport coefficients (drag and diffusion) of heavy quarks travelling through QGP. We observe substantial modification in the momentum and temperature variation of the transport coefficients; and this will modify the physical picture we are having about the transport of heavy quarks inside QGP, and hence, about the characterisation of the plasma.

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