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The complete conformal spectrum of a invariant network model and logarithmic corrections
Britta Aufgebauer, Michael Brockmann, Win Nuding +2
We investigate the low temperature asymptotics and the finite size spectrum of a class of Temperley-Lieb models. As reference system we use the spin-1/2 Heisenberg chain with aniso…
Exercises with the universal R-matrix
Herman Boos, Frank Göhmann, Andreas Klümper +2
Using the formula for the universal -matrix proposed by Khoroshkin and Tolstoy, we give a detailed derivation of -operators for the quantum groups associated with the general…
Quantum spin chains of Temperley-Lieb type: periodic boundary conditions, spectral multiplicities and finite temperature
Britta Aufgebauer, Andreas Kluemper
We determine the spectra of a class of quantum spin chains of Temperley-Lieb type by utilizing the concept of Temperley-Lieb equivalence with the S=1/2 XXZ chain as a reference sys…
Thermodynamics and short-range correlations of the XXZ chain close to its triple point
Christian Trippe, Frank Göhmann, Andreas Klümper
The XXZ quantum spin chain has a triple point in its ground state - phase diagram. This first order critical point is located at the joint end point of the two second order…