| 单词 | collective oscillation |
| 释义 | collective oscillation A mode of oscillation in a many-body system in which there is a cooperative motion of the system as a result of interactions between the particles in the system. A plasma oscillation is an example of a collective oscillation. It is possible for collective oscillations to exist both in classical physics and quantum mechanics. In the quantum theory of many-body systems, collective oscillations are called collective excitations |
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