V2EX phase transition

Phase Transition

释义 Definition

相变;相态转变:物质在温度、压力等条件变化时,从一种相(如固态、液态、气态,或不同晶体结构/磁性状态)转变为另一种相的过程。常见例子包括熔化、凝固、沸腾、凝结,以及磁性材料在居里温度附近的转变等。(在物理与材料科学中也常指更广义的“相”变化,不仅限于固液气。)

发音 Pronunciation (IPA)

/fez trnzn/

词源 Etymology

phase 来自希腊语 phasis(“显现、出现”),后来在科学语境中指“状态/相”;transition 来自拉丁语 transitio(“跨越、转变”)。合起来 phase transition 字面义为“从一个相/状态跨越到另一个相的转变”,现代主要用于热力学、统计物理与材料科学。

例句 Examples

Water undergoes a phase transition when it freezes.
水在结冰时会发生相变。

Near the critical temperature, the phase transition can be accompanied by dramatic changes in heat capacity and other thermodynamic properties.
在临界温度附近,相变可能伴随热容以及其他热力学性质的显著变化。

相关词 Related Words

文学与经典作品 Literary & Notable Works

  • Landau, “On the Theory of Phase Transitions”(《相变理论》相关论文):奠定了用“序参量”等概念描述相变的经典理论框架。
  • Landau & Lifshitz, Statistical Physics(《统计物理》):系统讨论相变与临界现象,是物理学经典教材之一。
  • H. E. Stanley, Introduction to Phase Transitions and Critical Phenomena(《相变与临界现象导论》):以较清晰的方式介绍相变、临界点与标度思想,常被学习者引用。
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