29 citations · 256 across the 38 of their papers we have counts for
17 papers · 1 filter
Nematic order in a simple-cubic lattice-spin model with full-ranged dipolar interactions
Hassan Chamati, Silvano Romano
In a previous paper [Phys. Rev. E 90, 022506 (2014)], we had studied thermodynamic and structural properties of a three-dimensional simple-cubic lattice model with dipolar-like int…
Classical lattice spin models involving singular interactions isotropic in spin space
Hassan Chamati, Silvano Romano
We address here a few classical lattice--spin models, involving component unit vectors (), associated with a dimensional lattice , and interact…
Nematic order by thermal disorder in a three-dimensional lattice-spin model with dipolar-like interactions
H. Chamati, S. Romano
At low temperatures, some lattice spin models with simple ferromagnetic or antiferromagnetic interactions (for example nearest-neighbour interaction being isotropic in spin space o…
Interaction anisotropy and random impurities effects on the critical behaviour of ferromagnets
H Chamati, S Romano
The theory of phase transitions is based on the consideration of "idealized" models, such as the Ising model: a system of magnetic moments living on a cubic lattice and having only…
Comment on "Quantum critical paraelectrics and the Casimir effect in time"
H. Chamati, N. S. Tonchev
At variance with the authors' statement [L. Pálová, P. Chandra and P. Coleman, Phys. Rev. B 79, 075101 (2009)], we show that the behavior of the universal scaling amplitude of the…
Dynamic critical behavior of model A in films: Zero-mode boundary conditions and expansion near four dimensions
H. W. Diehl, H. Chamati
The critical dynamics of relaxational stochastic models with nonconserved -component order parameter and no coupling to other slow variables ("model A") is investigated i…