Vol. 23 No. 3 (2013)

Phase Transition Behaviour of Ising Spin Glass on the FCC Lattice

Ngo Van Thanh
Institute of Physics, Vietnam Academy of Science and Technology, 10 Dao Tan, Thu Le, Ba Dinh, Hanoi, Vietnam
Hoang Dinh Tien
High School for Gifted Students, Vinh University, 182 Leduan, Vinh city, Nghean province, Vietnam
Diep The Hung
Cergy-Pontoise University, CNRS UMR 8089 2, Avenue Adolphe Chauvin, 95302 Cergy-Pontoise Cedex, France

Published 06-12-2013

How to Cite

Thanh, N. V., Tien, H. D., & Hung, D. T. (2013). Phase Transition Behaviour of Ising Spin Glass on the FCC Lattice. Communications in Physics, 23(3), 227. https://doi.org/10.15625/0868-3166/23/3/3103


In this work, we study the nature of phase transition in a face centered cubic (FCC) antiferromagnet with Ising spins. The spin-glass character depends on the concentration \(p\) of ferromagnetic bonds randomly generated into the system. We introduce a new quantity \(M_Q\) combined by the Edwards-Anderson order parameter \(Q\) and the standard magnetization \(M\). Note that, it is impossible to obtain the susceptibility defined by the variance of \(Q\) or \(M\), but we can do that for \(M_Q\). Using the standard Monte-Carlo and powerful Wang-Landau flat-histogram methods, we carry out in this work intensive simulations with many value of $p$. We show that the first-order transition has been destroyed with a tiny amount of ferromagnetic bond \(p\sim 0.01\). With increasing \(p\), the antiferromagnetic phase changes into a spin glass, and then to ferromagnetic phase.


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