Ergodic theory - ergodic theory

Japanese: エルゴード理論 - エルゴードりろん(英語表記)ergodic theory
Ergodic theory - ergodic theory
The ergodic hypothesis is a hypothesis that is the foundation of statistical mechanics. It states that in a system in thermal equilibrium, the thermodynamic observed value of a physical quantity is equal to the average value of the physical quantity for all dynamic states, and was originally proposed by L. Boltzmann. Attempts to prove this ergodic hypothesis are called ergodic theory. Let us take as an example a system (isolated system) that is confined within a wall and whose energy is conserved at a constant value E.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
統計力学の土台となる仮説にエルゴード仮説ergodic hypothesisがある。これは,熱平衡状態にある系においては,物理量の熱力学的観測値は,すべての力学的状態についての物理量の平均値に等しいというもので,そもそもL.ボルツマンによって提唱された仮定である。このエルゴード仮説を証明する試みをエルゴード理論という。 壁の中に閉じ込められ,エネルギーが一定値Eに保存されている系(孤立系)を例にとる。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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