PHYSICS LETTERS A

XU MT

PHYSICS LETTERS A

WU J

PHYSICS LETTERS A

WEI ZX, LIU GB

PHYSICS LETTERS A

ZHANG QT, JIANG JS, CHAN KS

PHYSICS LETTERS A

LU JD

PHYSICS LETTERS A

CEN CL, ZHANG YB, LIANG CP, CHEN XF, YI Z, DUAN T, TANG YJ, YE X, YI YG, XIAO SY

PHYSICS LETTERS A

GUO Z, LIAO NB, ZHANG M, FENG AX

PHYSICS LETTERS A

WU J

PHYSICS LETTERS A

SONG HQ, LIU Z, ZHANG DB

PHYSICS LETTERS A

KANG YZ, ZHANG ZQ, LU GB, DING KH