Hamiltonian and exclusion statistics approach to discrete forward-moving paths
arXiv:2103.15827 · doi:10.1103/PhysRevE.104.014143
Abstract
We use a Hamiltonian (transition matrix) description of height-restricted Dyck paths on the plane in which generating functions for the paths arise as matrix elements of the propagator to evaluate the length and area generating function for paths with arbitrary starting and ending points, expressing it as a rational combination of determinants. Exploiting a connection between random walks and quantum exclusion statistics that we previously established, we express this generating function in terms of grand partition functions for exclusion particles in a finite harmonic spectrum and present an alternative, simpler form for its logarithm that makes its polynomial structure explicit.
arXiv commentUpdated and expanded version to appear in Phys Rev E
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