Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2001-01-14
J. Phys. A: Math. Gen., 34 (2001) 6069-6079
Physics
Condensed Matter
Soft Condensed Matter
7 pages, with 10 figures included
Scientific paper
10.1088/0305-4470/34/31/302
The symmetric two-layer Ising model (TLIM) is studied by the corner transfer
matrix renormalisation group method. The critical points and critical exponents
are calculated. It is found that the TLIM belongs to the same universality
class as the Ising model. The shift exponent is calculated to be 1.773, which
is consistent with the theoretical prediction 1.75 with 1.3% deviation.
Li Zhi-Bing
Luo Hai-Jun
Schuelke L.
Shuai Z.
Wang Qiangguo
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