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- Massachusetts Institute of TechnologyUS329 papers
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- University of Maryland, College ParkUS13 papers
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14 papers · 1 filter
Laser cooling of new atomic and molecular species with ultrafast pulses
D. Kielpinski
We propose a new laser cooling method for atomic species whose level structure makes traditional laser cooling difficult. For instance, laser cooling of hydrogen requires single-fr…
Laser cooling of trapped ytterbium ions with an ultraviolet diode laser
D. Kielpinski, M. Cetina, J. A. Cox +1
We demonstrate an ultraviolet diode laser system for cooling of trapped ytterbium ions. The laser power and linewidth are comparable to previous systems based on resonant frequency…
Fermionic Superfluidity with Imbalanced Spin Populations and the Quantum Phase Transition to the Normal State
Martin W. Zwierlein, André Schirotzek, Christian H. Schunck +1
Whether it occurs in superconductors, helium-3 or inside a neutron star, fermionic superfluidity requires pairing of fermions, particles with half-integer spin. For an equal mixtur…
Fractional-Period Excitations in Continuum Periodic Systems
H. E. Nistazakis, Mason A. Porter, P. G. Kevrekidis +3
We investigate the generation of fractional-period states in continuum periodic systems. As an example, we consider a Bose-Einstein condensate confined in an optical-lattice potent…
Large atom number Bose-Einstein Condensate machines
Erik W Streed, Ananth P Chikkatur, Todd L Gustavson +6
We describe experimental setups for producing large Bose-Einstein condensates of 23Na and 87Rb. In both, a high flux thermal atomic beam is decelerated by a Zeeman slower and is ca…
Sodium Bose-Einstein Condensates in an Optical Lattice
K. Xu, Y. Liu, J. R. Abo-Shaeer +6
The phase transition from a superfluid to a Mott insulator has been observed in a Na Bose-Einstein condensate. A dye laser detuned nm red of the Na S$ \to 3^…