Exact solution and interfacial tension of the six-vertex model with anti-periodic boundary conditions

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, , Citation M T Batchelor et al 1995 J. Phys. A: Math. Gen. 28 2759 DOI 10.1088/0305-4470/28/10/009

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1 Dept. of Math., Australian Nat. Univ., Canberra, ACT, Australia

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0305-4470/28/10/2759

Abstract

We consider the six-vertex model with anti-periodic boundary conditions across a finite strip. The row-to-row transfer matrix is diagonalized by the 'commuting transfer matrices' method. From the exact solution we obtain an independent derivation of the interfacial tension of the six-vertex model in the anti-ferroelectric phase. The nature of the corresponding integrable boundary condition on the XXZ spin chain is also discussed.

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