annihilation operator


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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.
References in periodicals archive ?
is the annihilation operator of the d boson with the time reversal phase relation [[?
146-162]Sm isotopic chains in the rare earth region is studied in the framework of sd IBM1 using the most general Hamiltonian in terms of creation and annihilation operators using the method of the intrinsic states.
The q-oscillator is a simple quantum mechanical system described by an annihilation operator and a creation operator parameterized by a parameter q.
are the creation and annihilation operators of charged Bose quasiparticles with the energy:
sigma]] are the creation and annihilation operators of Bose quasiparticles with spin 1 with the energy:
by analogy with the quantum field theory, it can be done the second quantization of the universe wave function [psi] expanding it on the creation and annihilation operators (third quantization) [1].
We assume that the creation and annihilation operators of universes obey the standard commutation relations