@conference{
author = "Davidović, Milena and Arsenović, Dušan and Davidović, Dragomir M.",
year = "2006",
abstract = "On the coherent states vertical bar alpha gt any entire function of creation and annihilation operators may be defined. We show that it is not the case for non-entire functions. Use of vertical bar alpha alpha vertical bar as identity operator for a non-entire function may lead to contradictory results. On the example of the phase operator we show how these possible contradictions may be avoided. On the coherent states |alpha gt any entire function of creation and annihilation operators may be defined. We show that it is not the case for non-entire functions. Use of |alpha alpha| as identity operator for a non-entire function may lead to contradictory results. On the example of the phase operator we show how these possible contradictions may be avoided.",
publisher = "Institute of Physics Publishing",
journal = "12th Central European Workshop On Quantum Optics",
title = "Non-entire functions of creation and annihilation operators and their relation to phase operator",
pages = "46",
volume = "36",
doi = "10.1088/1742-6596/36/1/009"
}