A Quantum Particle Undergoing Continuous Observation
Quantum Physics
2007-05-23 v1
Abstract
A stochastic model for the continuous nondemolition ohservation of the position of a quantum particle in a potential field and a boson reservoir is given. lt is shown that any Gaussian wave function evolving according to the posterior wave equation with a quadratic potential collapses to a Gaussian wave packet given by the stationary solution of this equation.
Keywords
Cite
@article{arxiv.quant-ph/0512137,
title = {A Quantum Particle Undergoing Continuous Observation},
author = {V. P. Belavkin and P. Staszewski},
journal= {arXiv preprint arXiv:quant-ph/0512137},
year = {2007}
}