拉理论物理学里,量子场论(英语:Quantum field theory,简称QFT)是结合了量子力学、狭义相对论搭经典场论个一套自洽个概念搭工具。拉粒子物理学搭凝聚态物理学里向,量子场论可以分别为亚原子粒子搭准粒子建立量子力学模型。量子场论奈粒子视为更基础个场上个激发态,即所谓个量子,而粒子之间个相互作用则是以相应个场之间个交互项来描述。
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