Creating Quanta with 'annihilation' Operator


The non-symmetric nature of the boson 'destruction' operatorâ and its 'creation' partnerâ † is made apparent by applying them to a quantum state |ψ different from the Fock state |n. We show that it is possible to increase (by many times or by any quantity) the mean number of quanta in the new 'photon-subtracted' statê a|ψ. Moreover, in certain cases the… (More)


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