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Helium Puddles Near Absolute Zero

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Francis M. Gasparini, Physics 5, 136 (2012) – Published December 3, 2012
Measurements of the heat capacity in two-dimensional helium-3 adsorbed on graphite provide further evidence of an unexpected liquid state at temperatures near absolute zero.
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Sorting superfluidity from Bose-Einstein condensation in atomic gases

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Iacopo Carusotto, Physics 3, 5 (2010) – Published January 19, 2010
With the right configuration of laser beams, researchers could measure how much of an ultracold atomic gas is actually superfluid.
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How the tail wags the dog in ultracold atomic gases

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Eric Braaten, Physics 2, 9 (2009) – Published February 2, 2009
Recent calculations of the properties of ultracold atoms have revealed how two-body interactions at very short distances determine essential properties of many-body systems.