Creating Order from Random Fluctuations in Small Spin Ensembles

We demonstrate the ability to create spin order by using a magnetic resonance force microscope to harness the naturally occurring statistical fluctuations in small ensembles of electron spins. In one method, we hyperpolarized the spin system by selectively capturing the transient spin order created...

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Published in:Science (American Association for the Advancement of Science) 2005-01, Vol.307 (5708), p.408-411
Main Authors: Budakian, R, Mamin, H. J, Chui, B. W, Rugar, D
Format: Article
Language:English
Subjects:
Analysis
Cantilevers
Control
Electron spin
Electrons
Frequency shift
Histograms
Information Processing
Magnetic fields
Magnetic resonance
Magnetization
Magnets
Microwaves
Moraines
Motion control
Movement
Nuclear magnetic resonance
Observations
Particle physics
Quantum computing
Quantum theory
Storage time
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creator Budakian, R
Mamin, H. J
Chui, B. W
Rugar, D
description We demonstrate the ability to create spin order by using a magnetic resonance force microscope to harness the naturally occurring statistical fluctuations in small ensembles of electron spins. In one method, we hyperpolarized the spin system by selectively capturing the transient spin order created by the statistical fluctuations. In a second method, we took a more active approach and rectified the spin fluctuations by applying real-time feedback to the entire spin ensemble. The created spin order can be stored in the laboratory frame for a period on the order of the longitudinal relaxation time of 30 seconds and then read out.
doi_str_mv 10.1126/science.1106718
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subjects Analysis
Cantilevers
Control
Electron spin
Electrons
Frequency shift
Histograms
Information Processing
Magnetic fields
Magnetic resonance
Magnetization
Magnets
Microwaves
Moraines
Motion control
Movement
Nuclear magnetic resonance
Observations
Particle physics
Quantum computing
Quantum theory
Storage time
title Creating Order from Random Fluctuations in Small Spin Ensembles
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