| Автор | J. S. Wang |
| Автор | W. Selke |
| Автор | Vl S. Dotsenko |
| Автор | V. B. Andreichenko |
| Дата выпуска | 1990-02-15 |
| dc.description | The two-dimensional random bond Ising model with two distinct ferromagnetic nearest-neighbour couplings, J and J', distributed randomly over the lattice with concentration 1/2 is studied for various ratios J'/J at criticality. The critical temperature is exactly known from self-duality. The size-dependent specific heat shows a crossover from the perfect Ising to the randomness-dominated critical behaviour of doubly logarithmic form. In the latter region, our estimates for the critical exponents of the size-dependent magnetization and susceptibility are in very good agreement with analytic results suggesting β/ν = 1/8 and γ/ν = 7/4. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | The Two-Dimensional Random Bond Ising Model at Criticality—A Monte Carlo Study |
| Тип | lett |
| DOI | 10.1209/0295-5075/11/4/002 |
| Electronic ISSN | 1286-4854 |
| Print ISSN | 0295-5075 |
| Журнал | EPL (Europhysics Letters) |
| Том | 11 |
| Первая страница | 301 |
| Последняя страница | 305 |
| Выпуск | 4 |
