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Unitary Matrix Models and 2D Quantum Gravity (Virasoro constraints modified)
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abstract
The KdV and modified KdV integrable hierarchies are shown to be different descriptions of the same 2D gravitational system -- open-closed string theory. Non-perturbative solutions of the multi-critical unitary matrix models map to non-singular solutions of the `renormalisation group' equation for the string susceptibility, $[\tilde{P},Q]=Q$. We also demonstrate that the large N solutions of unitary matrix integrals in external fields, studied by Gross and Newman, equal the non-singular pure closed-string solutions of $[\tilde{P},Q]=Q$.
Forward citations
Cited by 3 Pith papers
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Spectral Form Factor of Gapped Random Matrix Systems
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