The Weinberg-Salam theory exhibits a property known as spontaneous symmetry breaking.
Weinberg-Salam 理论展示了一种称为自发对称性破缺的特性。
单词 | Spontaneous symmetry breaking |
释义 |
Spontaneous symmetry breaking
原声例句
时间简史(原版) The Weinberg-Salam theory exhibits a property known as spontaneous symmetry breaking. Weinberg-Salam 理论展示了一种称为自发对称性破缺的特性。
中文百科
自发对称破缺![]() ![]() ![]() 自发对称破缺(spontaneous symmetry breaking)是某些物理系统实现对称性破缺的模式。当物理系统所遵守的自然定律具有某种对称性,而物理系统本身并不具有这种对称性,则称此现象为自发对称破缺。这是一种自发性过程(spontaneous process),由于这过程,本来具有这种对称性的物理系统,最终变得不再具有这种对称性,或不再表现出这种对称性,因此这种对称性被隐藏。因为自发对称破缺,有些物理系统的运动方程序或拉格朗日量遵守这种对称性,但是最低能量解答不具有这种对称性。从描述物理现象的拉格朗日量或运动方程序,可以对于这现象做分析研究。
英语百科
Spontaneous symmetry breaking 自发对称破缺![]() ![]() Spontaneous symmetry breaking is a mode of realization of symmetry breaking in a physical system, where the underlying laws are invariant under a symmetry transformation, but the system as a whole changes under such transformations, in contrast to explicit symmetry breaking. It is a spontaneous process by which a system in a symmetrical state ends up in an asymmetrical state. It thus describes systems where the equations of motion or the Lagrangian obey certain symmetries, but the lowest-energy solutions do not exhibit that symmetry. |
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