Abstract
The antiferromagnetic Ising model in small-world networks generated from two-dimensional regular lattices has been studied. The disorder introduced by long-range connections causes frustration, which gives rise to a spin-glass phase at low temperature. Monte Carlo simulations have been carried out to study the paramagnetic to spin-glass transition, as a function of the rewiring probability p , which measures the disorder strength. The transition temperature Tc goes down for increasing disorder, and saturates to a value Tc approximately 1.7 J for p>0.4 , J being the antiferromagnetic coupling. For small p and at low temperature, the energy increases linearly with p . In the strong-disorder limit p-->1 , this model is equivalent to a short-range +/-J spin glass in random networks.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
