Contextualizebeta

zero-point energy

noun

Etymology

Calque of German Nullpunktenergie.

  1. derived from Nullpunktenergie

Definitions

  1. The lowest possible energy of a given quantum mechanical system.

    • The existence of a zero-point energy (i.e., the existence of a non-zero lower limit to the energy of a quantum-mechanical system) is a consequence of Heisenberg's uncertainty principle.
    • 2000, Stephen T. Thornton, Andrew F. Rex, Modern Physics for Scientists and Engineers, Saunders College Publishing, page 205, Our estimate for the zero-point energy of the harmonic oscillator is hbar ω/2.

  2. The kinetic energy possessed by (the particle constituents of) a substance at absolute…

    The kinetic energy possessed by (the particle constituents of) a substance at absolute zero temperature.

    • The calculated zero-point energies of hydrogen at inner bulk, GB, and FS are within 0.12-0.16eV/H.

The neighborhood

Vish — recursive loop

No curated loop yet for zero-point energy. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA