A minimum possible energy for an atom or molecule predicted by quantum mechanics. Electrons stay in motion and bonds continue to vibrate even at absolute zero because of zero point energy.
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Zero-point energy, also called quantum vacuum zero-point energy, is the lowest possible energy that a quantum mechanical physical system may have; it is the energy of its ground state. All quantum mechanical systems undergo fluctuations even in their ground state and have an associated zero-point energy, a consequence of their wave-like nature. Th...
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http://en.wikipedia.org/wiki/Zero-point_energy
vibrational energy that molecules retain even at the absolute zero of temperature. Temperature in physics has been found to be a measure of the ... [2 related articles]
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http://www.britannica.com/eb/a-z/z/6
(ZPE) The energy left behind in a volume of space after all the matter and radiation has been removed. ZPE, also known as vacuum fluctuation energy, is predicted by quantum mechanics and gives rise to some unusual phenomena such as the Casimir effect. It represents a vast unexpl...
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http://www.daviddarling.info/encyclopedia/Z/ZPE.html
The energy of a system in its ground (lowest energy) state. By the uncertainty principle if a system is localised in space its momentum will be spread out so its energy is nonzero.
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A minimum possible energy for an atom or molecule predicted by quantum mechanics. Electrons stay in motion and bonds continue to vibrate even at absolute zero because of zero point energy. See also: Quantum Mechanics.
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energy in a substance at the temperature of absolute zero.
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https://www.infoplease.com/dictionary/zero-point-energy
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