Creation of topological states of a Bose-Einstein condensate in a plaquette

Tomasz Świsłocki, Tomasz Sowiński, Mirosław Brewczyk +1

We study a square plaquette of four optical microtraps containing ultracold ${}^{87}$Rb atoms in F=1 hyperfine state. In a presence of external resonant magnetic field the dipolar in…