将三体损失拟合到零程模型时的有限力程偏差
Finite-range bias in fitting three-body loss to the zero-range model
AI总结：
本文研究有限力程物理对超冷原子三体复合零程模型分析的影响，发现零程参数的温度依赖性可能源于实验误差棒分布而非底层物理，并提出基于超球面形式体系的有限力程模型以研究有限温度效应，指出该系统误差可能显著贡献于三体参数测量误差。
摘要：
我们研究了有限力程物理对超冷原子中三体复合的零程模型分析的影响。我们发现，零程参数的温度依赖性可能因不同的测量数据集而异，因为它可能由实验中误差棒的分布所驱动，而非由底层三体物理所驱动。为了研究超越零程物理的三体复合中的有限温度效应，我们引入并考察了一个基于超球面形式体系的有限力程模型。本文讨论的系统误差可能对测得的三体参数的误差棒产生显著贡献。
英文摘要：
We study the impact of finite-range physics on the zero-range-model analysis of three-body recombination in ultracold atoms. We find that temperature dependence of the zero-range parameters can vary from one set of measurements to another as it may be driven by the distribution of error bars in the experiment, and not by the underlying three-body physics. To study finite-temperature effects in three-body recombination beyond the zero-range physics, we introduce and examine a finite-range model based upon a hyperspherical formalism. The systematic error discussed in the paper may provide a significant contribution to the error bars of measured three-body parameters.
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