二维中的博罗米恩临界性
Borromean Criticality in Two Dimensions
- The Royal Institute of Technology(皇家理工学院)
- University of Oxford(牛津大学)
- University of Massachusetts, Amherst(马萨诸塞大学阿默斯特分校)
机构由 AI 辅助整理,请以论文原文为准。
AI总结:
本文研究二维多组分逆流超流体在BSCF到正常态相变中的博罗米恩临界性,揭示组分间对称性偏离下多个基本涡旋与戈德斯通模式数差异的显著表现,并推广至拖拽调谐的多组分系统。
AI中文摘要:
由$N\geq 3$个组分组成的逆流超流体——即所谓的博罗米恩超逆流(BSCF)——的特征在于,尽管仅有$N-1$个独立的戈德斯通模式,却存在$N$个不同的基本拓扑激发(涡旋)。我们证明,在从BSCF到正常态的贝雷辛斯基-科斯特利茨-索利斯型相变中,这一显著性质在组分间对称性轻微至中等偏离的条件下清晰显现。更一般地,我们的分析也适用于任何具有组分间拖拽精细调谐至某些复合涡旋与基本涡旋在能量上竞争的多组分超流体。
英文摘要:
The characteristic feature of counterflow superfluids consisting of $N\geq 3$ components -- the so-called Borromean supercounterfluids (BSCF) -- is the presence of $N$ distinct elementary topological excitations (vortices) despite having only $N-1$ independent Goldstone modes. We show that this remarkable property clearly manifests itself at the Berezinskii-Kosterlitz-Thouless-type transition from the BSCF to the normal state, under the conditions of slight to moderate deviations from the case of exact intercomponent symmetry. More generally, our analysis also applies to any multicomponent superfluid with intercomponent drag fine-tuned to the value when certain composite vortices compete energetically with elementary ones.