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19922025
most citedIntegrable Structure of Conformal Field Theory, Quantum KdV Theory and Thermodynamic Bethe Ansatz

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cond-mat1997★ 167 cited

Low energy effective Hamiltonian for the XXZ spin chain

S. Lukyanov

Coupling constants for the most relevant terms in the low energy effective Hamiltonian of the XXZ spin chain are derived. Using this result we study the low energy (low temperature…