CHINESE PHYSICS B

ZHANG Y, ZHANG XZ, DENG CY, GE Q, HUANG JJ, LU J, LIN GX, WENG ZK, ZHANG XA, CAI WW

PHYSICS LETTERS A

LUO W, QIN SQ, LONG MS, LIU EF, FU YJ, ZHOU W, MIAO F, ZHANG S, ZHANG RY, ZHANG XA