实时量子关联函数的有效势解析延拓计算：非对称系统
Effective potential analytic continuation calculations of real time quantum correlation functions: Asymmetric systems
摘要：
将有效势解析延拓方法应用于一维非对称势系统，得到了不同温度下的实时量子关联函数。将EPAC结果与精确结果进行比较，发现对于非对称非谐振子，在低温下EPAC结果与精确结果符合得很好，而随着温度的升高，这种符合性变差.我们还表明，EPAC计算某种类型的非对称势可以减少到相应的对称势。
英文摘要：
We apply the effective potential analytic continuation (EPAC) method to one-dimensional asymmetric potential systems to obtain the real time quantum correlation functions at various temperatures. Comparing the EPAC results with the exact results, we find that for an asymmetric anharmonic oscillator the EPAC results are in very good agreement with the exact ones at low temperature, while this agreement becomes worse as the temperature increases. We also show that the EPAC calculation for a certain type of asymmetric potentials can be reduced to that for the corresponding symmetric potentials.
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