通过这一模型加上虚时温度场论就可以写出核物质系统的配分函数。
Through this model and using finite temperature field theory, we can write down the partition function of the system.
结果表明零温场论中的红外发散和由温度效应引起的红外发散可以用描写虚过程的费曼图同时消除。
It turns out that both of the infrared divergence at the zero and finite temperature can be cancelled by the identical Feynman diagram of virtual processes.
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