Solitons on Noncommutative Torus as Elliptic Algebras and Elliptic Models

Details Solitons on Noncommutative Torus as Elliptic Algebras and Elliptic Models Solitons on Noncommutative Torus as Elliptic Algebras and Elliptic Models

2001-10-15

arxiv.org/abs/hep-th/0110122v3

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, plain latex, no figure. Rewritten version. Some references added

Scientific paper

For the noncommutative torus ${\cal T}$, in case of the N.C. parameter$\theta = \frac{Z}{n}$ and the area of ${\cal T}$ is an integer, we construct the basis of Hilbert space ${\cal H}_n$ in terms of $\theta$functions of the positions $z_i$ of $n$ solitons. The loop wrapping a$the torus generates the algebra ${\cal A}_n$. We show that ${\cal A}_$isomorphic to the $Z_n \times Z_n$ Heisenberg group on $\theta$ funct$We find the explicit form for the local operators, which is the gener$$g$ of an elliptic $su(n)$, and transforms covariantly by the global gauge transformation of the Wilson loop in ${\cal A}_n$. By acting on ${\cal H}_n$ we establish the isomorphism of ${\cal A}_n$ and $g$. Th$is easy to give the projection operators corresponding to the soliton$the ABS construction for generating solitons. We embed this $g$ into $$L$-matrix of the elliptic Gaudin and C.M. models to give the dynamic$For $\theta$ generic case, we introduce the crossing parameter $\eta$ related with $\theta$ and the modulus of ${\cal T}$. The dynamics of solitons is determined by the transfer matrix $T$ of the elliptic qua$group ${\cal A}_{\tau, \eta}$, equivalently by the elliptic Ruijsenaa$operators $M$. The eigenfunctions of $T$ found by Bethe ansatz appear$be twisted by $\eta$.

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