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virtual particle |
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This is the first device in which you get a mechanical action as a result of vacuum fluctuations," says Federico Capasso of Lucent Technologies' Bell Labs in Murray Hill. Several decades ago, experimental verification of the influence of electromagnetic vacuum fluctuations on electron behavior prompted physicists to take seriously the possibility that similar quantum effects could occur in other situations. Polder proposed that such vacuum fluctuations would cause an observable attraction between an isolated, neutral atom and a flat, conductive plate. |
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