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arXiv · hep-th/9310076

Hamiltonian Reduction and Topological Conformal Algebra in $c\leq 1$ Non-critical Strings

Katsushi Ito·Hiroaki Kanno
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Abstract

We study the hamiltonian reduction of affine Lie superalgebra $sl(2|1)^{(1)}$. Based on a scalar Lax operator formalism, we derive the free field realization of the classical topological topological algebra which appears in the $c\leq1$ non-critical strings. In the quantum case, we analyze the BRST cohomology to get the quantum free field expression of the algebra.

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Katsushi Ito, Hiroaki Kanno. 1993-10-14. Hamiltonian Reduction and Topological Conformal Algebra in $c\leq 1$ Non-critical Strings. https://doi.org/10.1142/s0217732394001209

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