title: Comment on "The use of real or complex coupling coefficients for lossy piezoelectric materials".
abstract: We show that the claims of a recent paper on coupling which states that the complex coupling has mathematical difficulties and is inconsistent with a specific experiment are incorrect.
authors: Stewart
authors: S
authors: Sherrit
authors: Nicola
authors: N
authors: Lamberti
authors: Massimo
authors: M
authors: Pappalardo
mesh_terms: D003198:Computer Simulation; D055119:Elastic Modulus; D008420:Manufactured Materials; D055617:Micro-Electrical-Mechanical Systems; D008962:Models, Theoretical