%0 Article %T Vortex Precession in Bose-Einstein Condensates: Observations with Filled and Empty Cores %A Haljan, P. C.; Anderson, B. P.; Cornell, Eric A.; Wieman, Carl E. %8 2019-12-05 %R http://localhost/files/4q77fr87x %G http://id.loc.gov/vocabulary/iso639-2/eng %[ 2020-01-14 %9 Article %~ CU Scholar %W CU Boulder