Spurion

In theoretical physics, a spurion is a fictitious, auxiliary field in a quantum field theory that can be used to parameterize any symmetry breaking and to determine all operators invariant under the symmetry.

The procedure begins with finding a parameter that measures the amount of symmetry breaking. This parameter is promoted to a field, i.e. to a function of the spacetime coordinates. With this new fictitious field, operators that are invariant under the symmetry may be found by the usual group-theoretical considerations.

单词	spurion
释义	spurion /'spjuəriɔn/ 英汉-汉英词典 n. 虚假粒子(模方为零的粒子) 词组 \| 习惯用语您要查找的是不是： spurn v. 轻蔑地拒绝；摒弃 n. 摒弃 spurious adj. 假的；伪造的；欺骗的 springy adj. 有弹力的 spumoni n. 意大利式的冰淇淋 spurion n. 虚假粒子英语百科 Spurion In theoretical physics, a spurion is a fictitious, auxiliary field in a quantum field theory that can be used to parameterize any symmetry breaking and to determine all operators invariant under the symmetry. The procedure begins with finding a parameter that measures the amount of symmetry breaking. This parameter is promoted to a field, i.e. to a function of the spacetime coordinates. With this new fictitious field, operators that are invariant under the symmetry may be found by the usual group-theoretical considerations.
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spurion /'spjuəriɔn/

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Spurion