Rapid production of large ${}^7$Li Bose-Einstein condensates using $D_1$ gray molasses

Kyungtae Kim, SeungJung Huh, Kiryang Kwon +1

We demonstrate the production of large ${}^7$Li Bose-Einstein condensates in an optical dipole trap using $D_1$ gray molasses. The sub-Doppler cooling technique reduces the temperatu…