Quantum speed limits—primer, perspectives, and potential future directions

Quantum speed limits—primer, perspectives, and potential future directions Fundamental physical limits on the speed of state evolution in quantum systems exist in the form of the Mandelstam–Tamm and the Margolus–Levitin inequalities. We give an expository review of the development of these quantum speed limit (QSL) inequalities, including extensions to different energy statistics and generalizations to mixed system states and open and multipartite systems. The QSLs expressed by these various inequalities have implications for quantum computation, quantum metrology, and control of quantum systems. These connections are surveyed, and some important open questions are noted. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Quantum speed limits—primer, perspectives, and potential future directions

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Publisher
Springer US
Copyright
Copyright © 2016 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-016-1405-x
Publisher site
See Article on Publisher Site

Abstract

Fundamental physical limits on the speed of state evolution in quantum systems exist in the form of the Mandelstam–Tamm and the Margolus–Levitin inequalities. We give an expository review of the development of these quantum speed limit (QSL) inequalities, including extensions to different energy statistics and generalizations to mixed system states and open and multipartite systems. The QSLs expressed by these various inequalities have implications for quantum computation, quantum metrology, and control of quantum systems. These connections are surveyed, and some important open questions are noted.

Journal

Quantum Information ProcessingSpringer Journals

Published: Jul 27, 2016

References

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