Wei, Gaoyuan - In: Physica A: Statistical Mechanics and its Applications 237 (1997) 3, pp. 413-422
For arbitrary random walks in any d-dimensional space, a 1/d expansion of the most probable size ratio, i.e., squared radius of gyration s2 divided by 〈s2〉 of open random walks, has been developed, which, at O(1/d3), yields a very good approximation to the exact value for chains (d ⩾ 2)...