Hawking radiation (redirected from Virual particle production)

Hawking radiation

n.

A form of radiation believed to emanate from black holes, arising from the creation of pairs of subatomic particles in the space adjacent to the black hole, with one particle falling into the black hole and the other radiating away. The energy lost to such radiated particles is believed to cause the eventual disappearance of the black hole.

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[After Stephen William Hawking.]

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Hawking radiation

n

(Astronomy) Astronomy the emission of particles by a black hole. Pairs of virtual particles in the intense gravitational field around a black hole may live long enough for one to move outward when the other is pulled into the black hole, making it appear that the black hole is emitting radiation

[discovered by Stephen Hawking (born 1942), British physicist]

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Hawking radiation

A form of radiation believed to emanate from black holes, emerging from the region just beyond the black hole's event horizon (from which no radiation can emerge). Pairs of virtual particles and antiparticles, created naturally in the vacuum fluctuation near the black hole, are split apart, one particle falling into the black hole and the other radiating away. The energy lost to such radiated particles is believed to come from the mass of the black hole.