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Counting monster potentials
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DOI：10.1007/JHEP02(2021)059.png)
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摘要
En 中文
We study the large momentum limit of the monster potentials of Bazhanov-Lukyanov-Zamolodchikov, which - according to the ODE/IM correspondence - should correspond to excited states of the Quantum KdV model.We prove that the poles of these potentials asymptotically condensate about the complex equilibria of the ground state potential, and we express the leading correction to such asymptotics in terms of the roots of Wronskians of Hermite polynomials.This allows us to associate to each partition of N a unique monster potential with N roots, of which we compute the spectrum. As a consequence, we prove - up to a few mathematical technicalities - that, fixed an integer N , the number of monster potentials with N roots coincides with the number of integer partitions of N , which is the dimension of the level N subspace of the quantum KdV model. In striking accordance with the ODE/IM correspondence.
Keyword:
Bethe Ansatz
Integrable Field Theories
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期刊
IF:
5.5
论文数:
4.0W
被引数:
13.7W
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引用论文
Geometrical loci and CFTs via the Virasoro symmetry of the mKdV-SG hierarchy: an excursus.png)
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