Spinor Field Realizations of the half-integer $W_{2,s}$ Strings

Details Spinor Field Realizations of the half-integer $W_{2,s}$ Strings Spinor Field Realizations of the half-integer $W_{2,s}$ Strings

2008-06-16

arxiv.org/abs/0806.2553v2

Nucl.Phys.B809:426-438,2009

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 2 tables, references added

Scientific paper

10.1016/j.nuclphysb.2008.08.027

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.

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