Supported by National Natural Science Foundation of China under Grant No.10675108;Foundation of Yancheng Institute of Technology under Grant No.XKR2010007
In this paper we investigate classical and quantum phase transitions of Bose-Hubbard model in checkerboard superlattices with a magnetic field at the mean-field level. By analyzing stability of normal state phase boun...
Supported by the Teaching and Research Foundation for the Outstanding Young Faculty of Southeast University
We study the magnetic effect of the checkerboard superconducting wire network. Based on the de Gennes- Alexader theory, we obtain difference equations for superconducting order parameter in the wire network. Through s...