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Proceedings Paper

Magnetic resonance force microscopy and the solid state quantum computer
Author(s): Denis V. Pelekhov; I. Martin; A. Suter; David W. Reagor; P. Chris Hammel
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Paper Abstract

A Quantum Computer (QC) is a device that utilizes the principles of Quantum Mechanics to perform computations. Such a machine would be capable of accomplishing tasks not achievable by means of any conventional digital computer, for instance factoring large numbers. Currently it appears that the QC architecture based on an array of spin quantum bits (qubits) embedded in a solid-state matrix is one of the most promising approaches to fabrication of a scalable QC. However, the fabrication and operation of a Solid State Quantum Computer (SSQC) presents very formidable challenges; primary amongst these are: (1) the characterization and control of the fabrication process of the device during its construction and (2) the readout of the computational result. Magnetic Resonance Force Microscopy (MRFM) - a novel scanning probe technique based on mechanical detection of magnetic resonance - provides an attractive means of addressing these requirements. The sensitivity of the MRFM significantly exceeds that of conventional magnetic resonance measurement methods, and it has the potential for single electron spin detection. Moreover, the MRFM is capable of true 3D subsurface imaging. These features will make MRFM an invaluable tool for the implementation of a spin-based QC. Here we present the general principles of MRFM operation, the current status of its development and indicate future directions for its improvement.

Paper Details

Date Published: 28 March 2002
PDF: 9 pages
Proc. SPIE 4656, Quantum Dot Devices and Computing, (28 March 2002); doi: 10.1117/12.460799
Show Author Affiliations
Denis V. Pelekhov, Los Alamos National Lab. (United States)
I. Martin, Los Alamos National Lab. (United States)
A. Suter, Los Alamos National Lab. (Switzerland)
David W. Reagor, Los Alamos National Lab. (United States)
P. Chris Hammel, Los Alamos National Lab. (United States)

Published in SPIE Proceedings Vol. 4656:
Quantum Dot Devices and Computing
James A. Lott; Nikolai N. Ledentsov; Kevin J. Malloy; Bruce E. Kane; Thomas W. Sigmon, Editor(s)

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