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arXiv · 2111.14885

Novel semi-circle law and Hall sliding in a strongly interacting electron liquid

Niko Jokela·Matti Järvinen·Matthew Lippert
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Abstract

We study a strongly interacting, fermionic fluid in the presence of an applied magnetic field using a holographic framework. At low temperatures, translation symmetry is spontaneously broken and the resulting phase is a striped Hall fluid. Due to the magnetic field, an electric field applied parallel to the stripes causes the stripes to slide, a phenomenon we coin "Hall sliding." We also investigate the magneto-transport of the system in the presence of an explicit translation symmetry-breaking lattice which pins the stripes. Electrical properties are well represented by a hydrodynamical model, which gives us further insight into particle-like cyclotron and pseudo-Goldstone excitations we observe. The DC conductivities obey a novel semi-circle law, which we derive analytically in the translationally invariant ground state at low temperature.

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Niko Jokela, Matti Järvinen, Matthew Lippert. 2021-11-29. Novel semi-circle law and Hall sliding in a strongly interacting electron liquid. https://doi.org/10.1007/jhep05(2022)144

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