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Some time ago, Cuniberti et al have proposed a novel method for analytically continuing thermal imaginary-time correlators to real time, which requires no model input and should be applicable with finite-precision data as well.
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2008
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S. Caron-Huot and G.D. Moore, Heavy quark diffusion in QCD and 𝒩 = 4 \mathcal{N}=4 SYM at next-to-leading order,
2008
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A. Rothkopf, T. Hatsuda and S. Sasaki, Proper heavy-quark potential from a spectral decomposition of the thermal Wilson loop,
2009
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H.T. Ding, A. Francis, O. Kaczmarek, F. Karsch, E. Laermann and W. Soeldner, Thermal dilepton rate and electrical conductivity: An analysis of vector current correlation functions in quenched lattice QCD,
2011
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H.B. Meyer, The errant life of a heavy quark in the quark-gluon plasma,
2011
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