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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

The quantum of acoustic or vibrational energy, considered a discrete particle and used especially in mathematical models to calculate thermal and vibrational properties of solids.

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Usage examples (37)
  • In a sense, then, "phonon" is just a fancy word for a particle of heat.
  • "Using the word 'phonon' emphasizes the quantum nature of the process," Mendonca said.
  • This tunable phonon-exciton system could allow novel applications such as phonon lasers.
  • A similar kind of phonon trapping is known to cause problems in silicon structures of the same size.
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