PHYSICS LETTERS A

YU YJ, WANG YF, CHEN ZY

PHYSICS LETTERS A

ZHANG QT, CHAN KS

PHYSICS LETTERS A

LUO R, YANG JR, WANG TB, ZHANG DJ, LIU WX, YU TB, LIAO QH

PHYSICS LETTERS A

ZHANG T, ZHANG YL, CHEN J

PHYSICS LETTERS A

LUO GY, WEN L, LV XY, LI ZQ

PHYSICS LETTERS A

ZENG MT, XIA LP, ZHANG M, TU H, GAO FH, YIN SY, CUI HL, DU CL