Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1994-09-21
Mod.Phys.Lett. A10 (1995) 515-524
Physics
High Energy Physics
High Energy Physics - Theory
11 pages, uufile'd .dvi file, QMW-PH-93-34 (yes, 93)
Scientific paper
The conventional quantization of w_3 strings gives theories which are equivalent to special cases of bosonic strings. We explore whether a more general quantization can lead to new generalized W_3 string theories by seeking to construct quantum BRST charges directly without requiring the existence of a quantum W_3 algebra. We study W_3-like strings with a direct spacetime interpretation---that is, with matter given by explicit free field realizations. Special emphasis is placed on the attempt to construct a quantum W-string associated with the magic realizations of the classical w_3 algebra. We give the general conditions for the existence of W_3-like strings, and comment how the known results fit into our general construction. Our results are negative: we find no new consistent string theories, and in particular rule out the possibility of critical strings based on the magic realizations.
Figueroa-O'Farrill JM
Hull CM
Palacios L.
Ramos Edgar
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