Content may be subject to copyright.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publ... ...This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in [Erratum: “Linear instability of pressure-driven channel flow of a Newtonian and a Herschel–Bulkley fluid” [Phys. Fluids 19, 122101 (2007)]. Physics of Fluids 20, 10 p109902 (2008)] and may be found at https://doi.org/10.1063/1.3002912.