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Physical review letters
May 11, 2007;98 (19): 190403.

How continuous quantum measurements in finite dimensions are actually discrete.

Giulio Chiribella, Giacomo Mauro D'Ariano, Dirk Schlingemann
Author Information
  1. Giulio Chiribella: QUIT Group, Dipartimento di Fisica A. Volta and INFM, via Bassi 6, 27100 Pavia, Italy. chiribella@fisicavolta.unipv.it
PMID: 17677608 DOI: 10.1103/PhysRevLett.98.190403

Abstract

We show that in finite dimensions a quantum measurement with a continuous set of outcomes can be always realized as a continuous random choice of measurements with a finite number of outcomes.

Journal Article Research Support, Non-U.S. Gov't

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