有限体积中的三粒子量子化条件:2.一般形式主义和数据分析
Three particle quantization condition in a finite volume: 2. general formalism and the analysis of data
摘要:
在粒子-二聚体图象中,利用有效场论导出了有限体积中的三体量子化条件。此外,我们考虑了利用量子化条件从晶格谱中提取物理观测量。为了说明一般的框架,我们计算的体积相关的三粒子光谱在一个简单的模型低于和高于三粒子阈值。详细讨论了与现有方法的关系。
英文摘要:
We derive the three-body quantization condition in a finite volume using an effective field theory in the particle-dimer picture. Moreover, we consider the extraction of physical observables from the lattice spectrum using the quantization condition. To illustrate the general framework, we calculate the volume-dependent three-particle spectrum in a simple model both below and above the three-particle threshold. The relation to existing approaches is discussed in detail.
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