Quantum Hall stripe phases at integer filling factors

We consider stripe formation in quantum Hall (QH) systems at integer filling factors. We use Hartree—Fock calculations to obtain the phase diagram ofbilayer QH systems at n 4N 1 ina tilted magnetic field. We derive and analyze an effective low energy theory for the stripe phases, which may be present in such systems. We discuss the possibility of stripe formation in wide well systems in a tilted magnetic field and suggest that the resistance anisotropy, observed recently by Pan et al. [Phys. Rev. B 64 (2001) 121305], may be due to the existence of a skyrmion stripe phase. 2002 Elsevier Science Ltd. All rights reserved.