Exact thermodynamic limit of short-range correlation functions of the antiferromagnetic $XXZ$-chain at finite temperatures

Abstract

We evaluate numerically certain multiple integrals representing nearest and next-nearest neighbor correlation functions of the spin-1/2 $XXZ$ Heisenberg infinite chain at finite temperatures.

22 pages, 6 figures

References in corpus (5)

• Integral representations for correlation functions of the XXZ chain at finite temperature
• Integral representation of the density matrix of the XXZ chain at finite temperatures
• First principle approach to correlation functions of spin-1/2 Heisenberg chain : fourth-neighbor correlators
• High temperature expansion of emptiness formation probability for isotropic Heisenberg chain
• Finite temperature density matrix and two-point correlations in the antiferromagnetic XXZ chain

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