Criticality of the discrete N-vector fer
✍
Anna Chame; Constantino Tsallis
📂
Article
📅
1990
🏛
Elsevier Science
🌐
English
⚖ 901 KB
in a semi-infinite cubic lattice. The coupling constants at the surface, K s and Ls, are allowed to be different from the bulk ones, K a and L B. Using a simple real-space renormalization group procedure we obtain the N-evolution (N real) of the phase diagram, including the N---~0 and N---~¢¢ limits