Cesium Atoms Shaken, Not Stirred, to Create Elusive Excitation in Superfluid
Thursday, February 5, 2015 - 13:30
in Physics & Chemistry
In 1941, future Nobel laureate Lev Landau predicted that superfluid helium-4 should contain an exotic, particle-like excitation called a roton. Roton structure has been a matter of debate ever since. University of Chicago physicists have now created roton structure in the laboratory.