0605200v1

related topics
{state, states, coherent}
{measurement, state, measurements}
{equation, function, exp}
{time, decoherence, evolution}
{cos, sin, state}
{operator, operators, space}
{photon, photons, single}

Continuous observation of a squeezed coherent state

Anita Dabrowska

abstract: The main aim of the paper is to present the analytical solution of the Belavkin quantum filtering equation for damped harmonic oscillator being initially in the squeezed coherent state for diffusion observation with complex white noise. The comparison of the {\it a priori} and {\it a posteriori} mean value of the optical quadrature operators and the photon number operator is given.

oai_identifier:
oai:arXiv.org:quant-ph/0605200
categories:
quant-ph
comments:
12 pages
arxiv_id:
quant-ph/0605200
created:
2006-05-23

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