Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1993-08-31
Physics
High Energy Physics
High Energy Physics - Theory
43 pages, ITP-SB-93-31
Scientific paper
Preliminary investigations of the topological phase of string theory along the lines of a (restricted) $\dot{w}_{\infty}$ non-linear sigma model are provided. Gauge fixing the w gravity gauge fields by preserving a geometric identity Lorenz covariantizes the w-particle and gauge covariantizes the YM. The notion of foliation ghosts is introduced. Connection between $\dot{w}_{\infty}$ and homotopy associative algebras is indicated. The second quantized twistor space of string theory is constructed and compared with the first quantised one. Speculations about the relevance of the massive string fields to the compactification of the bosonic string down to four dimensions times the standard model group as well as to the solution of the background independence problem and the integration over moduli space problem are also provided.
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