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annihilation operator
(redirected from Creation and annihilation operators)

    Also found in: Wikipedia 0.02 sec.
annihilation operator [ə‚nī·ə′lā·shən ¦äp·ə‚rād·ər]
(quantum mechanics)
An operator which reduces the occupation number of a single state by unity; for example, an annihilation operator applied to a state of one particle yields the vacuum. Also known as destruction operator.


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