有限密度和温度下的Skyrmions:手征相变
Skyrmions at finite density and temperature: the chiral phase transition
摘要:
Skyrme模型是一种基于大$N_c$ QCD的有效低能理论,已被应用于致密物质的研究。物质是由不同的skyrmions晶体结构描述的。当这个系统被加热时,主要的热自由度是涨落π介子。采取这些机制共同产生的手性相变导致传统的相图与临界温度和密度与预期值一致的描述。
英文摘要:
The Skyrme model, an effective low energy theory rooted in large $N_c$ QCD, has been applied to the study of dense matter. Matter is described by various crystal structures of skyrmions. When this system is heated, the dominating thermal degrees of freedom are the fluctuating pions. Taking these mechanisms jointly produces a description of the chiral phase transition leading to the conventional phase diagram with critical temperatures and densities in agreement with expected values.
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