Erratum: Glassy Chimeras Could Be Blind to Quantum Speedup. . . [Phys. Rev. X 4, 021008 (2014)]

TL;DR

This paper corrects previous calculations regarding the critical exponent in Ising ferromagnets on Chimera topology, establishing their universality class matches that of two-dimensional Ising models.

Contribution

It provides an erratum that rectifies the critical exponent calculation and clarifies the universality class of Ising ferromagnets on Chimera topology.

Findings

Corrected critical exponent for ferromagnetic susceptibility

Chimera topology Ising ferromagnets share universality class with 2D Ising models

Clarified the theoretical understanding of phase transitions on Chimera graphs

Abstract

Erratum to Phys. Rev. X 4, 021008 (2014): The critical exponent associated with the ferromagnetic susceptibility was computed incorrectly. Furthermore, Ising ferromagnets on the Chimera topology have the same universality class as two-dimensional Ising ferromagnets.