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Morphing of two-dimensional hole systems atν=3/2in parallel magnetic fields: Compressible, stripe, and fractional quantum Hall phases

Morphing of two-dimensional hole systems atν=3/2in parallel magnetic fields: Compressible, stripe, and fractional quantum Hall phases

A transport study of two-dimensional (2D) holes confined to wide GaAs quantum wells provides a glimpse of a subtle competition between different many-body phases at Landau level filling $\nu=3/2$ in tilted magnetic fields. At large tilt angles ($\theta$), an anisotropic, stripe (or nematic) phase replaces the isotropic compressible Fermi sea …