ABSENCE OF FERROMAGNETISM IN ISING MODEL ON DIRECTED BARABASI-ALBERT NETWORK
Abstract
With up to 7 million spins, the existence of spontaneous
magnetization of Ising spins on Directed Barabasi –Albert network is
investigated by Monte Carlo simulations. We confirm our earlier result that
the systems magnetization for different temperatures T decays after a
characteristic time (tau) t (T), which is extrapolated to diverge at zero
temperature, by a modified Arrhenius law, or perhaps a power law.
magnetization of Ising spins on Directed Barabasi –Albert network is
investigated by Monte Carlo simulations. We confirm our earlier result that
the systems magnetization for different temperatures T decays after a
characteristic time (tau) t (T), which is extrapolated to diverge at zero
temperature, by a modified Arrhenius law, or perhaps a power law.
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