July 2019- Associate Professor, Dept. of Physics, University of Science and Technology Beijing Feb 2015-June 2019 Lecturer, Dept. of Physics, University of Science and Technology Beijing Dec 2016-May 2017 Postdoc Fellow, Laboratory of Atomic and Solid State Physics, Cornell University Sept 2012-Aug 2014 Visiting Student, Laboratory of Atomic and Solid State Physics, Cornell University Sept 2009-Jan 2015 PhD, Dept. of Physics, University of Science and Technology Beijing Sept 2005-Jun 2009 Bachelor of Physics, Dept. of Physics, University of Science and Technology Beijing

I am recruiting enthusiasm students having a strong passion for theoretical physics, feel free to contact me if you are interested in my projects.

1. Junjun Xu, Qiang Gu, and Erich J. Mueller, Realizing the Haldane phase with bosons in optical lattices, Phys. Rev. Lett. 120, 085301 (2018). 2. Junjun Xu, Ren Zhang, Yanting Cheng, Peng Zhang, Ran Qi, and Hui Zhai, Reaching a Fermi-superfluid state near an orbital Feshbach resonance, Phys. Rev. A 94, 033609 (2016). 3. Junjun Xu, Qiang Gu, and Erich J. Mueller, Collisionless spin dynamics in a magnetic field gradient, Phys. Rev. A 91, 043613 (2015). 4. Junjun Xu, Qiang Gu, and Erich J. Mueller, Route to observing topological edge modes in ultracold fermions, Phys. Rev. A 89, 013625 (2014). 5. Junjun Xu, Qiang Gu, and Erich J. Mueller, Radio frequency spectrum of fermions near a narrow Feshbach resonance, Phys. Rev. A 88, 023604 (2013). 6. Junjun Xu and Qiang Gu, Berezinskii-Kosterlitz-Thouless transition of two-dimensional Bose gases in a synthetic magnetic field, Phys. Rev. A 85, 043608 (2012).