dimensional regularization


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dimensional regularization

[di′men·chən·əl ‚reg·yəl·ər·ə′zā·shən]
(quantum mechanics)
A method of extracting a finite piece from an infinite result in quantum field theory based on analytically continuing a typically divergent integral in its number of space-time dimensions.
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Their tool, known as dimensional regularization and first described in 1971, also applies to similar theories that describe other forces.