摄动级数求和法求解路径积分
Path Integral Solution by Sum Over Perturbation Series
摘要:
给出了用微扰级数求和法计算相对论性路径积分解的方法。作为应用,本文给出了相对论Aharonov-Bohm-Coulomb系统的精确路径积分解。与以往基于时空变换和Kustaanheimo-Stiefel无穷多值变换进行路径积分的处理不同,本文所发展的方法只涉及简单格林函数的显式形式,避免了显式路径积分。
英文摘要:
A method for calculating the relativistic path integral solution via sum over perturbation series is given. As an application the exact path integral solution of the relativistic Aharonov-Bohm-Coulomb system is obtained by the method. Different from the earlier treatment based on the space-time transformation and infinite multiple-valued trasformation of Kustaanheimo-Stiefel in order to perform path integral, the method developed in this contribution involves only the explicit form of a simple Green's function and an explicit path integral is avoided.
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