The $W_3$-string spectrum

Details The $W_3$-string spectrum The $W_3$-string spectrum

1991-10-05

arxiv.org/abs/hep-th/9110015v1

Phys.Lett.B274:298-308,1992

Physics

High Energy Physics

High Energy Physics - Theory

14 Pages

Scientific paper

10.1016/0370-2693(92)91989-M

We study the spectrum of $W_3$ strings. In particular, we show that for appropriately chosen space-time signature, one of the scalar fields is singled out by the spin-3 constraint and is ``frozen'': no creation operators from it can appear in physical states and the corresponding momentum must assume a specific fixed value. The remaining theory is unitary and resembles an ordinary string theory in $d\ne26$ with anomalies cancelled by appropriate background charges. In the case of the $W_3$ string, however, the spin-two ``graviton'' is massive.

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