作者: M Caselle , M Hasenbusch
DOI: 10.1016/S0550-3213(02)00475-3
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摘要: Abstract We study the finite size corrections for magnetization and internal energy of 2d Ising model in a magnetic field by using transfer matrix techniques. compare these with functional form recently proposed Delfino LeClair–Mussardo temperature behaviour one-point functions integrable quantum theories. find perfect agreement between theoretical expectations numerical results. Assuming as an input our analysis we obtain relevant improvement precision continuum limit estimates both quantities.