Paul trap

Paul trap

[′pȯl ‚trap]
(physics)
A device in which ions and other charged particles can be suspended by radio-frequency electric fields having a quadrupole configuration, for times limited chiefly by collisions with the background gas.
References in periodicals archive ?
A team of researchers led by Professor Kilian Singer, head of the project at Mainz University and now Professor at the University of Kassel, used a Paul trap to capture a single electrically charged calcium atom.
The 16 papers discuss such aspects as the isotope-selective manipulation of ions in a Paul trap, the creation and dynamics of topological defects in ion Coulomb crystals, coherent manipulations in a microfabricated ion trap, the high-resolution fluorescence and absorption imaging of single trapped ions, monitoring single quantum systems by unsharp measurements, and ion-atom hybrid systems.
Gunter Werth had to set a Paul trap as used in Mainz in India, where it was combined with a magneto-optic trap.
Created by USA Today contributor Paul Trap and syndicated by Universal Press Syndicate, Thatababy focuses on a trouble-seeking infant and the mother and father in charge of raising him.
c] 2008 MCT Graphic: Pat Carr, Paul Trap Note: Table made from bar graph.
The quadrupole shift is likely to be the most difficult to evaluate in a frequency standard and may have a magnitude of about 1 Hz for a single ion in a Paul trap.
The so-called Paul trap and its cousin, the Penning trap, play an important role in modern spectroscopy.
5 billion Source: Council for Aid Education Graphic: Pat Carr, Paul Trap [c] 2008 MCT Note: Table made from pie chart.
PERSONAL TRAINER," A WEEKLY health-and-fitness graphic illustrated by Paul Trap, is being offered by Knight Ridder/Tribune Information Services.
1 million (+78%) Source: ComScore World Metrix Graphic: Pat Carr, Paul Trap