Rigorous proof for the nonlocal correlation function in the transverse Ising model with ring frustration.
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DOI: 10.1103/physreve.97.012133
Abstract: An unusual correlation function was conjectured by Campostrini et al. [Phys. Rev. E 91, 042123 (2015)PLEEE81539-375510.1103/PhysRevE.91.042123] for the ground state of a transverse Ising chain with geometrical frustration. Later, we provided a rigorous proof for it… read more here.
Keywords: transverse ising; rigorous proof; correlation; correlation function ... See more keywords