V2EX symmetry breaking

Symmetry Breaking

释义 Definition

symmetry breaking(对称性破缺/对称性破缺现象):指一个系统的基本规律或方程具有某种“对称性”,但系统最终呈现出来的实际状态却选择了某个特定方向或形式,从而不再保持原先的对称。常见于物理学(如粒子物理、凝聚态、宇宙学)与数学建模中。(在更宽泛的语境里,也可指社会或艺术中“从均衡/对称走向偏向/分化”的过程。)

例句 Examples

When the temperature drops, the magnet shows symmetry breaking and picks a direction.
当温度降低时,磁体会发生对称性破缺并选择一个方向。

In the early universe, symmetry breaking may have produced distinct forces and shaped the matter we see today.
在早期宇宙中,对称性破缺可能产生了不同的相互作用力,并塑造了我们今天看到的物质形态。

发音 Pronunciation (IPA)

/smtri brek/

词源 Etymology

symmetry 源自希腊语 symmetria,意为“比例协调、对称”;break(ing) 来自古英语,意为“打破、破裂”。组合成 symmetry breaking,字面即“打破对称”。该术语在现代科学语境中尤以物理学最常见,用来描述“规律保持对称,但结果状态不对称”的现象。

相关词 Relate Words

文学与著作中的用例 Literary / Notable Works

  • Steven Weinberg, The First Three Minutes(《最初三分钟》)
  • Roger Penrose, The Road to Reality(《通往实在之路》)
  • David J. Griffiths, Introduction to Elementary Particles(《基本粒子导论》)
  • Philip Ball, Critical Mass(《临界质量》)
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