PHYSICS LETTERS A

ZHANG Y, FENG YJ, ZHAO JM

PHYSICS LETTERS A

LI KM, XIE ZX, SU KL, LUO WH, ZHANG Y

PHYSICS LETTERS A

ZHANG Y, SUN H, CHEN CF

PHYSICS LETTERS A

ZHANG Y, YAN XH, GUO YD, XIAO Y

PHYSICS LETTERS A

DING J, WEN LW, LI HD, ZHANG Y

PHYSICS LETTERS A

FU ZM, ZHANG Y, YANG ZX