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A Virtual Particle

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Posted by Tim on March 15, 2003 10:26:36 UTC

is just like any elementary particle except that for the most part they have an extemely brief existance. so brief in fact that their creation and destruction do not break the conservation of mass-energy law. they seem to spontaneously "flit" in and out of existance as pairs one particle and its anti-particle. hence they annaliate. they come "apparently" right out of space-time. its called quantum fluctuation and is mostly possible because of the uncertainty principle.
they play a part in the radiation of black holes in that as they are created on the event horizon one particle is sucked into the black hole while the other goes off into space-time.

regards tim

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