New Estimates On Various Critical/Universal Quantities of the 3D Ising Model
M. Hasenbusch, K. Pinn
Abstract
We present estimates for the 3D Ising model on the cubic lattice, both regarding interface and bulk properties. We have results for the interface tension, in particular the amplitude sigma0 in the critical law sigma = sigma0*t**mu, and for the universal combination R = sigma*xi**2. Concerning the bulk properties, we estimate the specific heat universal amplitude ratio A+/A, together with the exponent alpha, the nonsingular background of energy and specific heat at criticality, together with the exponent nu. There are also results for the universal combination fs*xi**3, where fs is the singular part of the free energy.
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