Probing the microscopic structure of the stripe phase at filling factor 5/2

Autoren
B. Friess, K. v. Klitzing, and J.H. Smet
Abteilungen
A prominent manifestation of the competition between repulsive and attractive interactions acting on different length scales is the self-organized ordering of electrons in a stripe-like fashion in material systems such as high-Tc superconductors. Such stripe phases are also believed to occur in two-dimensional electron systems exposed to a perpendicular magnetic field, where they cause a strong anisotropy in transport. Here, we report the use of nuclear magnetic resonance spectroscopy to probe the electron density distribution of the anisotropic phase emerging at filling factor 5/2.

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