PHYSICS LETTERS A

WEI XL, WEN X, XU LC, PENG XY, LIU LM, WANG RZ, CAO JX

PHYSICS LETTERS A

SHEN CH, LIU J, JIAO N, ZHANG CX, XIAO HP, WANG RZ, SUN LZ

PHYSICS LETTERS A

JIAO N, HE CY, ZHOU P, ZHANG CX, XIAO HP, SUN LZ

PHYSICS LETTERS A

WEI XL, CHEN YP, LIU WL, ZHONG JX

PHYSICS LETTERS A

CHEN YP, XIE YE, ZHONG JX