Abstract:The grading Becchi-Rouet-Stora-Tyutin (BRST) method gives a way to construct the integer W 2,s strings, where the BRST charge is written as Q B = Q 0 + Q 1 . Using this method, we reconstruct the nilpotent BRST charges Q 0 for the integer W 2,s strings and the half-integer W 2,s strings. Then we construct the exact grading BRST charge with spinor fields and give the new realizations of the half-integer W 2,s strings for the cases of s = 3/2, 5/2, and 7/2.
Contents1. Introduction 1 2. Review of the grading BRST… Show more
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