Abstract
In a recent paper [Phys. Rev. E 49, 99 (1994)], Shi and Gong have proposed a necessary and sufficient condition for spontaneous symmetry breaking on fractals. In this Comment, we show that this condition does not hold, presenting some counterexamples and critically analyzing their proof.
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More From: Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
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