https://www.selleckchem.com/pr....oducts/cbl0137-cbl-0
The exact critical Casimir amplitude is derived for anisotropic systems within the d=2 Ising universality class by combining conformal field theory with anisotropic φ^4 theory. Explicit results are presented for the general anisotropic scalar φ^4 model and for the fully anisotropic triangular-lattice Ising model in finite rectangular and infinite strip geometries with periodic boundary conditions. These results demonstrate the validity of multiparameter universality for confined anisotropic systems and the nonuniversality of th
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