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Added by Arxiv Bot | Added: 2026-03-02 18:02 | Views: 1 | Source: arXiv Dataset IDs (Model)

Purification of quantum trajectories

Authors	Hans Maassen, Burkhard Kümmerer
Categories	quant-ph
ArXiv ID	quant-ph/0505084
URL	https://arxiv.org/abs/quant-ph/0505084

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.

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    "title": "Purification of quantum trajectories",
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