S L A de Queiroz 1995 J. Phys. A: Math. Gen. 28 6315 doi:10.1088/0305-4470/28/22/008
S L A de Queiroz
Show affiliationsTransfer-matrix methods on finite-width strips with free boundary conditions are applied to lattice site animals, which provide a model for randomly branched polymers in a good solvent. By assigning a distinct fugacity to sites along the strip edges, critical properties at the special (adsorption) and ordinary transitions are assessed. The crossover exponent at the adsorption point is estimated as phi =0.505+or-0.015, consistent with recent predictions that phi = 1/2 exactly for all space dimensionalities.
05.50.+q Lattice theory and statistics (Ising, Potts, etc.)
64.60.F- Equilibrium properties near critical points, critical exponents
64.60.A- Specific approaches applied to studies of phase transitions
82B41 Random walks, random surfaces, lattice animals, etc. (See also 60G50, 82C41)
82B28 Renormalization group methods (See also 81T17)
Issue 22 (21 November 1995)
S L A de Queiroz 1995 J. Phys. A: Math. Gen. 28 6315
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