Taylor-Lagrange重整化方案应用于光锋动力学
Taylor-Lagrange renormalization scheme. Application to light-front dynamics
摘要：
最近提出的重整化方案的基础上定义的字段运营商的运营商值分布作用于特定的测试功能是非常方便的明确计算的物理观测的框架内的光锋动力学。我们首先回顾这个过程的主要性质的基础上的身份有关的测试功能，其泰勒剩余的任何顺序表示的拉格朗日公式，因此这个计划的名称。因此，我们展示了它如何自然地适用于计算的状态向量的物理系统的光阵面动力学的协变制定。作为一个例子，我们考虑的情况下，Yukawa模型在简单的两体Fock态截断。
英文摘要：
The recently proposed renormalization scheme based on the definition of field operators as operator valued distributions acting on specific test functions is shown to be very convenient in explicit calculations of physical observables within the framework of light-front dynamics. We first recall the main properties of this procedure based on identities relating the test functions to their Taylor remainder of any order expressed in terms of Lagrange's formulae, hence the name given to this scheme. We thus show how it naturally applies to the calculation of state vectors of physical systems in the covariant formulation of light-front dynamics. As an example, we consider the case of the Yukawa model in the simple two-body Fock state truncation.
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