戈德斯通定理
南部-戈德斯通定理(Nambu-Goldstone Theorem)指连续对称性被自发破缺后必存在零质量玻色粒子这一定论,此粒子被称为戈德斯通玻色子(或称南部-戈德斯通玻色子)。这个定理在粒子物理中有着重要应用,如π介子就是对应着近似手征对称性破缺的戈德斯通玻色子。
单词 | Goldstone boson |
释义 |
Goldstone boson
中文百科
戈德斯通定理南部-戈德斯通定理(Nambu-Goldstone Theorem)指连续对称性被自发破缺后必存在零质量玻色粒子这一定论,此粒子被称为戈德斯通玻色子(或称南部-戈德斯通玻色子)。这个定理在粒子物理中有着重要应用,如π介子就是对应着近似手征对称性破缺的戈德斯通玻色子。
英语百科
Goldstone boson 戈德斯通定理In particle and condensed matter physics, Goldstone bosons or Nambu–Goldstone bosons (NGBs) are bosons that appear necessarily in models exhibiting spontaneous breakdown of continuous symmetries. They were discovered by Yoichiro Nambu in the context of the BCS superconductivity mechanism, and subsequently elucidated by Jeffrey Goldstone, and systematically generalized in the context of quantum field theory. |
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