2008, Vol. 25(1): 31-34    DOI:
Negativity in the Extended Hubbard Model under External Magnetic Field
YANG Zhen, NING Wen-Qiang
Department of Physics, Fudan University, Shanghai 200433Department of Physics, Chinese University of Hong Kong, Hong Kong
收稿日期 2007-07-27  修回日期 1900-01-01
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