2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/28074Despite the fact that composite fermions may be regarded as electrically neutral objects at Landua-level filling factor $ν=1/2$, carrying only an electric dipole moment, we argue that the long-wavelength compressibility of the system is finite.RevTeX, 2 pages, no figures. Submitted as a comment to cond-mat/9702098, by Shankar and MurthyMesoscale and Nanoscale PhysicsCompressibility of a quantum Hall system at $ν= 1/2$text