Multicritical behavior of a square-lattice-gas model with anisotropic repulsive interactions: A transfer-matrix scaling study

1987 ◽  
Vol 35 (4) ◽  
pp. 2021-2028 ◽  
Author(s):  
F. Buda ◽  
G. M. Florio ◽  
P. V. Giaquinta
1984 ◽  
Vol 29 (3) ◽  
pp. 1462-1464 ◽  
Author(s):  
J. Amar ◽  
K. Kaski ◽  
J. D. Gunton

1996 ◽  
Vol 07 (06) ◽  
pp. 811-824 ◽  
Author(s):  
SYNGE TODO ◽  
MASUO SUZUKI

An improved sparse-matrix factorization technique for the transfer matrix of the hard-square lattice gas is proposed to perform exact diagonalization up to the strip width N = 34. The critical point, critical free-energy density, and universal parameters are determined accurately. The eigenvalue spectrum of the transfer matrix is also precisely investigated at the critical point for different boundary conditions.


1990 ◽  
Vol 41 (4) ◽  
pp. 2235-2238 ◽  
Author(s):  
György Szabó ◽  
Attila Szolnoki

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