Kac–Ward Formula and Its Extension to Order–Disorder Correlators Through a Graph Zeta Function
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DOI: 10.1007/s10955-018-2184-9
Abstract: A streamlined derivation of the Kac–Ward formula for the planar Ising model’s partition function is presented and applied in relating the kernel of the Kac–Ward matrices’ inverse with the correlation functions of the Ising model’s… read more here.
Keywords: kac ward; function; order disorder;