Bose-Einstein condensation on an atom chip
  We report an experiment of creating Bose-Einstein condensate (BEC) on an atom chip. The chip based Z-wire current and a homogeneous bias magnetic field create a tight magnetic trap, which allows for a fast production of BEC. After an 4.17s forced radio frequency evaporative cooling, a condensate with about 3000 atoms appears. And the transition temperature is about 300nK. This compact system is quite robust, allowing for versatile extensions and further studying of BEC. 
Bo Yan, Feng Cheng, Min Ke, Xiaolin Li, Jiuyao Tang, Yuzhu Wang