The exact susceptibility of the spin-S transverse Ising chain with next-nearest-neighbor interactions

Abstract

The zero-field susceptibility of the spin-S transverse Ising chain with next-nearest-neighbor interactions is obtained exactly. The susceptibility is given in an explicit form for S=1/2, and expressed in terms of the eigenvectors of the transfer matrix for general spin S. It is found that the low-temperature limit is independent of spin S, and is divergent at the transition point.

18 pages, 3 figures, J.Phys.Soc.Jpn., in press

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