Abstract
A new method for simulating real polymer chains is developed and applied to self-avoiding walks (SAWs) of length 49-599 on a three-choice square lattice. Very good results for the entropy are obtained which deviate from the series expansion estimates by 0.1-2%. The author also discusses how to extend the method to models of polymer chains with both excluded volume and finite interactions (attractive or repulsive). The author's method is expected to be more efficient than other simulation methods for treating self-interacting SAWs and chains which are subject to various lattice constraints.
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