NMR Quantum Computer

Holly K. Cummins, Jonathan A. Jones

In this article we consider nuclear magnetic resonance (NMR) as an example of a quantum technology; we consider in particular detail the implementation of quantum computers using NMR. We begin by outlining the physical principles underlying NMR, and give an introduction to the quantum mechanics involved. We next discuss the general characteristics of quantum technologies and the ways and extent to which these characteristics are expressed in NMR. We then give an introduction to the subject of quantum computation and its implementation using NMR. Finally, we describe some spectroscopy techniques which also exploit the quantum nature of NMR.

Steffen J. Glaser

Lieven M. K. Vandersypen, Costantino S. Yannoni, Isaac L. Chuang

This in an introduction on quantum computing and on the use of NMR to build quantum computers, geared towards an NMR audience.

Zhigang Zhang, Goong Chen, Zijian Diao +1 more

Jonathan A. Jones

Liquid state nuclear magnetic resonance (NMR) techniques have produced some spectacular successes in the construction of small quantum computers, and NMR is currently by far the leading technology for quantum computation. There are, however, a number of significant problems with any attempt to scale up the technology to produce computers of any useful size. While it is probable that some of these will be successfully sidestepped during the next few years, it is unlikely that they will all be solved; thus current liquid state NMR techniques are unlikely to provide a viable technology for practical quantum computation.