QUANTUM ESTIMATION OF RELATIVE INFORMATION-Reference-Cited by-同舟云学术

QUANTUM ESTIMATION OF RELATIVE INFORMATION

Published:2006-02 Issue:01 Volume:04 Page:131-149
ISSN:0219-7499
Container-title:International Journal of Quantum Information
language:en
Short-container-title:Int. J. Quantum Inform.

Author:

LINDNER NETANEL H.¹,SCUDO PETRA F.¹,BRUß DAGMAR²

Affiliation:

1. Department of Physics, Technion — Israel Institute of Technology, 32000 Haifa, Israel

2. Institut für Theoretische Physik III, Heinrich-Heine-Universität, Düsseldorf, D-40225 Düsseldorf, Germany

Abstract

We derive optimal schemes for preparation and estimation of relational degrees of freedom between two quantum systems. We specifically analyze the case of rotation parameters representing relative angles between elements of the SU(2) symmetry group. Our estimation procedure does not assume prior knowledge of the absolute spatial orientation of the systems and as such does not require information on the underlying classical reference frame in which the states are prepared.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous)

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0219749906001657

Reference26 articles.

1. Optimal Extraction of Information from Finite Quantum Ensembles

2. Spin Flips and Quantum Information for Antiparallel Spins

3. Transmission of a Cartesian Frame by a Quantum System

4. Aligning Reference Frames with Quantum States

5. Optimal encoding and decoding of a spin direction

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