J Kiukas et al 2008 J. Phys. A: Math. Theor. 41 175206 doi:10.1088/1751-8113/41/17/175206
J Kiukas, P Lahti and J-P Pellonpää
Show affiliationsWe give a new mathematically rigorous proof for the fact that, when S is a dense subset of [0, 2π), the rotated quadrature operators Qθ, θ
S, of a single-mode electromagnetic field constitute an informationally complete set of observables.
03.65.Yz Decoherence; open systems; quantum statistical methods
81S05 Commutation relations and statistics
78A25 Electromagnetic theory, general
05A05 Combinatorial choice problems (subsets, representatives, permutations)
81Q10 Selfadjoint operator theory in quantum theory, including spectral analysis
Issue 17 (2 May 2008)
Received 4 December 2007, in final form 18 February 2008
Published 15 April 2008
J Kiukas et al 2008 J. Phys. A: Math. Theor. 41 175206
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