Critical-Point Correlation Function for the 2D Random Bond Ising Model
Abstract
High accuracy Monte Carlo simulation results for 1024*1024 Ising system with ferromagnetic impurity bonds are presented. Spin-spin correlation function at a critical point is found to be numerically very close to that of a pure system. This is not trivial since a critical temperature for the system with impurities is almost two times lower than pure Ising $T_c$. Finite corrections to the correlation function due to combined action of impurities and finite lattice size are described.
- Publication:
-
EPL (Europhysics Letters)
- Pub Date:
- July 1994
- DOI:
- 10.1209/0295-5075/27/3/004
- arXiv:
- arXiv:hep-lat/9404002
- Bibcode:
- 1994EL.....27..193T
- Keywords:
-
- High Energy Physics - Lattice;
- Condensed Matter
- E-Print:
- 7 pages, 2 figures after LaTeX file