标题： 诱导对称破缺和高密度下新的核物质相 显示英文标题

标题： Induced symmetry breaking and a new phase of hadronic matter at high density

摘要： 由相互作用诱导的对称性破缺（ISB）概念被引入，作为自发对称性破缺机制的推广，并在一个简单的两味自旋模型中进行了说明。 在有限重子密度的QCD情形下，我论证了由零声子诱导的夸克相互作用满足ISB场景所需的必要条件。 在这个场景中，夸克凝聚在化学势临界值处急剧下降，与重子密度的快速增加同时发生。 轻粒子的能谱在这一相变的下方和上方进行了讨论。 ISB机制对重离子碰撞的后果也进行了简要探讨。 显示英文摘要

摘要： The notion induced symmetry breaking (ISB) is introduced as a generalization of the spontaneous symmetry breaking mechanism and is illustrated in a simple two flavor spin model. In the case of QCD at finite baryon density, I argue that the quark interaction induced by zero sound satisfies the prerequisites which are necessary for a ISB scenario. In this scenario, the quark condensate sharply drops at the critical value of the chemical potential in coincidence with a rapid increase of the baryon density. The spectrum of the light particles is discussed below and above this phase transition. The consequences of the ISB mechanism for heavy ion collisions are briefly addressed.