A brief review on the recent theoretical progress in hot/dense QCD is given. Special emphasis is put on the non-perturbative aspects of QCD plasma and the modification of hadron proporties associated with the partial restoration of chiral symmetry.
Li, H. N. (1996). Applicability of Perturbative QCD to B Meson Decays. Chinese Journal of Physics, 34(3S), 1047-1055. https://www.airitilibrary.com/Article/Detail?DocID=05779073-199606-201211280001-201211280001-1047-1055