Chiral soliton lattice effect on baryonic matter from a skyrmion crystal model

Chiral soliton lattice effect on baryonic matter from a skyrmion crystal model
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斯格明子晶体模型对重子物质的手性孤子晶格效应

DOI:
10.1103/physrevc.100.025207
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发表时间:
2018-10
期刊:
影响因子:
--
通讯作者:
Shinya Matsuzaki
Shinya Matsuzaki
中科院分区:
--
文献类型:
--
作者:
Mamiya Kawaguchi;Yong-Liang Ma;Shinya Matsuzaki

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在凝聚态系统中,如手征磁体中,手征孤子晶格(CSL)是作为宇称破坏的拓扑孤子而出现的。在强子物理学中,也有各种尝试将CSL的概念应用于重子物质。在这项工作中,我们探讨的CSL重子物质的Skrymion晶体方法的基础上的影响。结果表明,CSL对重子物质的拓扑结构变化起着反催化作用。此外,我们还观察到随着CSL频率的增大,CSL使单个重子的形状变形为高度振荡的形状,从而导致重子能量的增强。有趣的是,在高密度区域,由于重子物质的拓扑结构变化,CSL消失了。我们在这里的发现可能会加深我们对致密物质系统和致密恒星的理解。
The chiral soliton lattice (CSL) has been studied in condensed-matter system such as chiral magnets, which arises as a parity-violating topological soliton. In hadron physics, various attempts have also been made to apply the idea of CSL to baryonic matter. In this work, we explore the CSL effects on the baryonic matter based on the skrymion crystal approach. It is found that the CSL causes an inverse catalysis for the topology change in the dense baryonic matter. Furthermore, we observe that the CSL makes the single-baryon shape deformed to be highly oscillating as the frequency of the CSL gets larger, which leads to the enhancement of a baryon energy. Of interest is that in a high density region, the CSL goes away due to the topology change in the baryonic matter. What we find here might deepen our understanding of dense matter systems as well as compact stars.
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