Understanding the behaviour bulk matter governed by QCD elementary degrees of freedom and interaction, and studying how it turns into hadronic matter, offers challenging perspectives and touches fundamental issues in the study of QCD in its nonperturbative regime. This special issue of the European Journal of Physics: Special Topics entitled Quark–Gluon Plasma and heavy-ion phenomenology published a set of 7 papers aiming to put in perspective the important problems that are being addressed by the researchers in this area. The main motivation of this special issue is to learn the properties of the densest and hottest forms of QCD matter that one can produce in the laboratory.

理解由 QCD 基本自由度和相互作用支配的行为体物质，并研究它如何变成强子物质，提供了具有挑战性的观点，并触及了 QCD 在其非微扰状态下研究的基本问题。欧洲物理学杂志的这一特刊：题为夸克-胶子等离子体和重离子现象学的专题发表了 7 篇论文，旨在透视该领域研究人员正在解决的重要问题。本期特刊的主要动机是了解人们可以在实验室中产生的最密集和最热形式的 QCD 物质的特性。