Browsing by Author "Türkoğlu, Alpar"

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    Frustrated Potts Model: Multiplicity Eliminates Chaos Via Reentrance
    (Amer Physical Soc, 2020) Türkoğlu, Alpar; Berker, Ahmet Nihat; Berker, A. Nihat; Electrical-Electronics Engineering
    The frustrated q-state Potts model is solved exactly on a hierarchical lattice, yielding chaos under rescaling, namely, the signature of a spin-glass phase, as previously seen for the Ising (q = 2) model. However, the ground-state entropy introduced by the (q > 2)-state antiferromagnetic Potts bond induces an escape from chaos as multiplicity q increases. The frustration versus multiplicity phase diagram has a reentrant (as a function of frustration) chaotic phase.