annihilation operator

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 ?
The q-oscillator is a simple quantum mechanical system described by an annihilation operator and a creation operator parameterized by a parameter q.
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.
I do not want to amble in relativistic fields of creation and annihilation operators, and vacuum fluctuations, spontaneous emmission and Lamb shifts.
The equivalence principle thus becomes even more powerful by the fact that the size change derived geometrically in it via the laws of Special Relativity gets independently confirmed by the creation and annihilation operators of quantum electrodynamics.
In this paper we describe one aspect of this interaction; namely, how well-known concepts in quantum physics such as creation and annihilation operators, and ladder operators, translate to combinatorial "counting" ideas as exemplified by Stirling numbers, which may find their expression in terms of infinite matrices.
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:
alpha]] (t) in terms of the creation and annihilation operators of the incoming electrons [[?
Hence, we infer that the Bose-operators [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] are, respectively, the vector creation and annihilation operators of two types of free photons with energies
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].
alpha]] ([epsilon]) are the creation and annihilation operators of the scattering states [[psi].