Jordan-cell rank conjecture for the vacuum tilting module

Let T0,q2\mathcal{T}_{0,\mathfrak{q}^2} be the vacuum tilting module in the scaling limit of periodic Jones–Temperley–Lieb modules, and let Xj,P\mathcal{X}_{j,P} denote an irreducible subquotient with labels jj and PP. The Hamiltonian is L0+Lˉ0L_0+\bar L_0.

Jordan-cell rank conjecture. In the scaling limit of T0,q2\mathcal{T}_{0,\mathfrak{q}^2}, states from limits of irreducible Xj,P\mathcal{X}_{j,P} subquotients should be involved in Jordan cells of L0+Lˉ0L_0+\bar L_0 of maximum rank

max rank(L0+Lˉ0 in T0,q2)={3,j=2, P=1,2j23,jmod3=0 and P=q±2, j>0,2j23+1,jmod3=1 or 2 and j>2 and P=1.\operatorname{max\ rank}(L_0+\bar L_0\text{ in }\mathcal{T}_{0,\mathfrak{q}^2})=\begin{cases}3,&j=2,\ P=1,\\2\left\lceil\frac{j-2}{3}\right\rceil,&j\bmod 3=0\text{ and }P=\mathfrak{q}^{\pm2},\ j>0,\\2\left\lceil\frac{j-2}{3}\right\rceil+1,&j\bmod 3=1\text{ or }2\text{ and }j>2\text{ and }P=1. \end{cases}

This conjecture refines the lattice analysis by predicting that the maximum Jordan-cell rank increases by one in the scaling limit. The expected ranks include 33 for states from X2,1\mathcal{X}_{2,1}, rank 22 for X3,q±2\mathcal{X}_{3,\mathfrak{q}^{\pm2}}, rank 33 for X4,1\mathcal{X}_{4,1}, and rank 44 for X6,q±2\mathcal{X}_{6,\mathfrak{q}^{\pm2}}; the general statement remains open.

Sources & referencesView supporting material

Primary source

A. M. Gainutdinov, N. Read, H. Saleur and R. Vasseur, “The periodic sl(2|1) alternating spin chain and its continuum limit as a bulk Logarithmic Conformal Field Theory at c=0”, arXiv:1409.0167 (2014).

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