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1. A Focused Chromium Ion Beam
Adam V Steele, Brenton John Knuffman, Jabez J McClelland, Jon Orloff
With the goal of expanding the capabilities of focused ion beam microscopy and milling systems, we have demonstrated nanoscale focusing of chromium ions produced in a magneto-optical trap ion source (MOTIS). Neutral chromium atoms are captured into ...
2. Differential Light Shift Cancellation in a B-Field Insensitive Transition of 87Rb
Radu S. Chicireanu, Karl D. Nelson, Steven M Olmschenk, Nathan Lundblad, A. Derevianko, James V Porto
We demonstrate substantial cancellation of the differential light shift of a magnetic-field-insensitive microwave hyperfine (clock) transition in 87Rb atoms trapped in an optical lattice. Up to 95.5% of the differential light shift is cancelled while ...
3. Observation of a superfluid Hall effect
Lindsay J. LeBlanc, Karina K. Jimenez Garcia, Ross A. Williams, Matthew C. Beeler, Abigail Reiko Perry, William D Phillips, Ian B Spielman
Measurement techniques based upon the Hall effect are essential tools in condensed matter physics. Here, we report the first observation of a Hall effect in an ultracold gas of neutral atoms, revealed by measuring Bose-Einstein condensate's transpo ...