2 papers
cond-mat.stat-mech2005
Directed percolation in two dimensions: An exact solution
L. C. Chen, F. Y. Wu
We consider a directed percolation process on an x rectangular lattice whose vertical edges are directed upward with an occupation probability y and horizonta…
cond-mat.stat-mech2005
The random cluster model and new summation and integration identities
L. C. Chen, F. Y. Wu
We explicitly evaluate the free energy of the random cluster model at its critical point for 0 < q < 4 using an exact result due to Baxter, Temperley and Ashley. It is found that t…