Free space (electromagnetism)/Definition: Difference between revisions
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In classical electromagnetism, | In classical electromagnetism, the [[Vacuum (classical)|vacuum reference state]] with no fields or particles; in quantum mechanics, the [[Vacuum (quantum electrodynamic)|vacuum state]] with electromagnetic fields fluctuating about an average value of zero. | ||
Latest revision as of 16:06, 27 March 2011
In classical electromagnetism, the vacuum reference state with no fields or particles; in quantum mechanics, the vacuum state with electromagnetic fields fluctuating about an average value of zero.