Finite‐temperature quantum transfer‐matrix simulations of the frustrated spin 1/2 chains: comparison with experiment

Abstract

This article presents the thermodynamical properties of quasi-one dimensional magnetic systems CuGeO 3 and new obtained Pb[Cu(SO 4 )(OH) 2 ] evaluated by the numerically exact quantum transfermatrix method. Numerical results calculated for an infinite system and for a finite-chain structure are compared successfully with experimental magnetic susceptibility data.Introduction In this article we study thermodynamical properties of the magnetic systems CuGeO 3 [1-3] and a new compound Pb[Cu(SO 4 ) (OH) 2 ] described by the S ¼