Author/Authors :
Shucheng Zhao، نويسنده , , Hao Wei، نويسنده , , Lijie Zhang، نويسنده ,
Abstract :
In this paper a new method to construct the spinor field realization of WN string has been proposed, its BRST charge is graded. Then we have constructed the exact spinor field grading BRST charge for WN strings with N=4 and 5.
