The perturbation theory is a very appealing method in particle physics. But some times the perturbation theory will devastate symmetry in computation, and bring about symmetry spontaneity breaking.

 
  • 微擾論是粒子物理學(xué)中一種非常有用的方法,但是在計算中它有時(shí)會(huì )破壞對稱(chēng)性,產(chǎn)生對稱(chēng)性自發(fā)破缺。
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