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Issue:
Another Derivation of Analytic Expression of Correlation Function
Author(s):
FANG Xiyan
,
FENG Kaixi
,
QIU Siwei
,
ZHANG Honghao
Pages:
152
-
154
Year:
2010
Issue:
3
Journal:
Acta Scientiarum Naturalium Universitatis Sunyatseni
Abstract:
探讨了d维欧氏空间中自由标量场的关联函数,用两种不同的方法推导求得了它的解析表达式,其中第二种方法为该文提出.文献上一般只讨论了到3维以及更低维空间的结果,作者推广得到了任意维的结果.计算3维空间的关联函数的方法一般是在3维空间的球坐标下直接进行积分求解,该文也应用这种方法在d维空间的球坐标系下直接积分得到了推广的结果.另一方面,发现可以通过选取合适的坐标系可有效地降低积分动量的维数,同样可以求得...
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