V2EX microstate

Microstate

Definition / 释义

microstate(名词)
1)(物理/统计力学)微观状态:在给定宏观条件下,一个系统在微观层面(如每个粒子的位置、动量、自旋等)的具体排列/配置。同一宏观状态(macrostate)通常对应许多不同的微观状态。
2)(政治)微型国家:领土或人口规模极小的主权国家(如摩纳哥、圣马力诺等)。(此义也常见,但在理工语境中更常指“微观状态”)

Pronunciation / 发音(IPA)

/makrostet/

Examples / 例句

A macrostate can correspond to many different microstates.
一个宏观状态可能对应许多不同的微观状态。

In statistical mechanics, entropy is related to the number of accessible microstates consistent with the system’s constraints.
在统计力学中,熵与在系统约束条件下可达到的微观状态数量有关。

Etymology / 词源

由 **micro-**(“微小的、微观的”,源自希腊语 mikros)+ state(“状态”)构成。最初常用于科学语境,强调“系统在微观层面的具体状态”;后来也被用于政治语境,表示“规模很小的国家”。

Related Words / 相关词汇

Notable Works / 文献与作品举例

  • An Introduction to Thermal Physics(Daniel V. Schroeder)讲解宏观状态与微观状态、熵的关系时频繁使用 microstate
  • Thermal Physics(Charles Kittel & Herbert Kroemer)在统计物理与热力学的推导中使用 microstate 讨论状态计数。
  • Statistical Physics(L. D. Landau & E. M. Lifshitz)在系综与分布的框架下使用 microstate 阐述微观描述。
  • Statistical Mechanics(R. K. Pathria & Paul D. Beale)系统性使用 microstate 建立从微观到宏观的理论联系。
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