Absence of ferromagnetism in Ising model on directed Barabasi-Albert network

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With up to 7 million spins, the existence of spontaneous magnetization of Ising spins on directed Barabasi-Albert networks is investigated by Monte Carlo simulations. We confirm our earlier result that the magnetization for different temperatures T decays after a characteristic time tau(T), which we extrapolate to diverge at zero temperature by a modified Arrhenius law,or perhaps a power law.
Islamic University Conference, Gaza, March 2005; for the university Magazine

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Disordered Systems and Neural Networks

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http://salesiana.dossiersoluciones.com/handle/123456789/26220

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0504460
 http://arxiv.org/abs/cond-mat/0504460

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arXiv