“semi-classical Einstein field equation”的概念、定义、翻译、参考文献-科学参考

单词	semi-classical Einstein field equation
释义	semi-classical Einstein field equation Encyclopedia 理学弯曲时空量子场论释 semi-classical Einstein field equation半经典爱因斯坦方程在弯曲时空量子场论中时空背景是经典的，而物质场是量子化的。如果将爱因斯坦场方程中的能动张量用量子化的物质场能动张量在某种量子态下的平均值代替，就得到半经典爱因斯坦场方程。
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