Comment on "Absence of Compressible Edge Channel Rings in Quantum Antidots"

M. Kataoka, C. J. B. Ford

In a recent article, Karakurt et al. [I. Karakurt et al., Phys. Rev. Lett. 89, 226803 (2002)] reported the absence of compressible regions around antidots in the quantum Hall regim…