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        Strongly coupled heavy and light quark thermal motion from AdS/CFT

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        2008.09196.pdf (PDF, 1Mb)(embargoed until 12/11/2022)
        Author
        Mes, A.K.
        Moerman, R.W.
        Shock, J.P.
        Horowitz, W.A.
        Attention
        2299/25201
        Abstract
        We give a pedagogical presentation of heavy and light probe quarks in a thermal plasma using the AdS/CFT correspondence. Three cases are considered: external heavy and light quarks undergoing Brownian motion in the plasma, and an external heavy quark moving through the plasma with a constant velocity. For the first two cases we compute the mean-squared transverse displacement of the string’s boundary endpoint. At early times the behaviour is ballistic, while the late time dynamics are diffusive. We extract the diffusion coefficient for both heavy and light quarks in an arbitrary number of dimensions and comment on the relevance for relativistic heavy ion phenomenology.
        Publication date
        2021-11-19
        Published in
        Annals of Physics
        Published version
        https://doi.org/10.1016/j.aop.2021.168675
        Other links
        http://hdl.handle.net/2299/25201
        Relations
        School of Physics, Engineering & Computer Science
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