NMR quantum information processing and entanglement

Authors:
Raymond Laflamme;David Cory;Camille Negrevergne;Lorenza Viola
Affiliations:
Department of Physics, University of Waterloo, Waterloo, ON, Canada and Perimeter Institute for Theoretical Physics, Waterloo, ON, Canada;Department of Nuclear Engineering, Massachusetts Institute of Technology, Cambridge, MA;Los Alamos National Laboratory, Los Alamos, NM;Los Alamos National Laboratory, Los Alamos, NM
Venue:
Quantum Information & Computation
Year:
2002

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Abstract

In this essay we discuss the issue of quantum information and recent nuclear magnetic resonance (NMR) experiments. We explain why these experiments should be regarded as quantum information processing (QIP) despite the fact that, in present liquid state NMR experiments, no entanglement is found. We comment on how these experiments contribute to the future of QIP and include a brief discussion on the origin of the power of quantum computers.