释义 |
vacuum fluctuation
vacuum fluctuationn. The spontaneous and continuous fluctuation of quantum states in a vacuum, especially the small fluctuation in energy level that is associated with virtual particles as described by quantum field theory.vacuum fluctuation
vacuum fluctuation A fluctuation in the value of a quantity that is associated with the vacuum state having zero-point energy. The existence of vacuum fluctuations is a specifically quantum-mechanical effect. It is thought that quantum fluctuations in the early Universe were responsible for the large-scale structure in the Universe. |