zero-point energy

Japanese: zero-point energy(英語表記)zeropointenergy
zero-point energy

…the motion that remains in the lowest energy state of a mechanical system. This energy value is called the zero-point energy. In classical mechanics, the lowest energy state would be where all the components of the system are at rest in their respective equilibrium positions, but in quantum mechanics, both position and momentum are fixed, which is not permitted by the uncertainty principle. …

*Some of the terminology that mentions "zero-point energy" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…力学的な系のエネルギー最低の状態でなお残っている運動。そのエネルギーの値を零点エネルギーzero‐point energyと呼ぶ。古典力学で扱えばエネルギー最低の状態では系の構成要素がすべて各自の平衡位置に静止することになるが,これでは位置と運動量がともに確定となり,量子力学では不確定性原理から許されない。…

※「zero-point energy」について言及している用語解説の一部を掲載しています。

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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