Abstract
We prove that the quantum trajectory of repeated perfect measurement on a finite quantum system either asymptotically purifies, or hits upon a family of 'dark' subspaces, where the time evolution is unitary.
Information
Published: 1 January 2006
First available in Project Euclid: 28 November 2007
zbMATH: 1121.81012
MathSciNet: MR2306206
Digital Object Identifier: 10.1214/074921706000000275
Subjects:
Primary:
82C10
Secondary:
47N50
,
60H20
Keywords:
Quantum trajectory
,
Stochastic Schrödinger equation
Rights: Copyright © 2006, Institute of Mathematical Statistics
