Characters for $\hat{sl(n)}_{k=1}$ from a novel Thermodynamic Bethe Ansatz

Details Characters for $\hat{sl(n)}_{k=1}$ from a novel Thermodynamic Bethe Ansatz Characters for $\hat{sl(n)}_{k=1}$ from a novel Thermodynamic Bethe Ansatz

1998-05-20

arxiv.org/abs/cond-mat/9805242v1

J. Phys. A 31 (1998) 6887-6896

Physics

Condensed Matter

Statistical Mechanics

13 pages, Latex 2e

Scientific paper

10.1088/0305-4470/31/32/012

Motivated by the recent development on the exact thermodynamics of 1D quantum systems, we propose quasi-particle like formulas for $\hat{\mathfrak{sl}(n)}_{k=1}$ characters. The $\hat{\mathfrak{sl}(2)}_{k=1}$ case is re-examined first. The novel formulation yields a direct connection to the fractional statistics in the short range interacting model, and provides a clear description of the spinon character formula. Generalizing the observation, we find formulas for $\hat{\mathfrak{sl}(n)}_{k=1}$, which can be proved by the Durfee rectangle formula.

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