Title :
Vortex pairl creation and annihilation in a Bose-Einstein condensate
Author :
Woo Jin Kwon;Geol Moon;Yong-il Shin
Author_Institution :
Department of Physics and Astronomy, Seoul National University, Seoul 151 - 747, Korea
Abstract :
We describe our recent experiments where we studied creation and annihilation of vortex pairs in a highly oblate Bose-Einstein condensate. We measured the critical velocity for vortex shedding and investigated the thermal relaxation of two-dimensional superfluid turbulence.
Keywords :
"Velocity measurement","Temperature measurement","Optical vortices","Yttrium","Moon","Extraterrestrial measurements","Atomic measurements"
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2015 11th Conference on
DOI :
10.1109/CLEOPR.2015.7376016