zero-point energies

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Определение zero-point energies в Английский Язык Английский Язык словарь

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zero-point energies

plural form of zero-point energy

zero-point energy

The lowest possible energy of any quantum mechanical system; a consequence of the uncertainty principle

zero-point energy

The energy possessed by something at a temperature of absolute zero

zero-point energy

Vibrational energy retained by molecules even at a temperature of absolute zero. Since temperature is a measure of the intensity of molecular motion, molecules would be expected to come to rest at absolute zero. However, if molecular motion were to cease altogether, the atoms would each have a precisely known location and velocity (zero), and the uncertainty principle states that this cannot occur, since precise values of both position and velocity of an object cannot be known simultaneously. Thus, even molecules at absolute zero must have some zero-point energy