PHYSICS LETTERS A

LI DD, ZHANG XJ, LI MJ, DUAN HM, YANG BC, LONG MQ

PHYSICS LETTERS A

LI DD, WU D, ZHANG XJ, ZENG BW, LI MJ, DUAN HM, YANG BC, LONG MQ

PHYSICS LETTERS A

DING H, ZHENG XH

PHYSICS LETTERS A

WANG LH, ZHANG ZZ, DING BJ, GUO Y

PHYSICS LETTERS A

ZHAO WK, JI GM, LIU DS

PHYSICS LETTERS A

ZENG H, ZHAO J, WEI JW, ZENG XL, XU Y

PHYSICS LETTERS A

ZHANG Y, YAN XH, GUO YD, XIAO Y

PHYSICS LETTERS A

WANG LH, DING BJ, GUO Y

PHYSICS LETTERS A

WANG LH, ZHANG ZZ, ZHAO JG, DING BJ, GUO Y, JIN C