Path integrals and degrees of freedom in many-body systems and relativistic field theories

被引：0
|
作者：
Palumbo, F [1 ]
机构：
[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
来源：
PHYSICS OF ATOMIC NUCLEI | 2005年 / 68卷 / 05期
关键词：
D O I：
10.1134/1.1935021
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The identification of physical degrees of freedom is sometimes obscured in the path-integral formalism, and this makes it difficult to impose some constraints or to do some approximations. I review a number of cases where the difficulty is overcome by deriving the path integral from the operator form of the partition function after such identification has been made. (c) 2005 Pleiades Publishing, Inc.
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页码：892 / 898
页数：7
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