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Journal Article

Finite-temperature behavior of the quantum Hall effect in bilayer electron systems

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Golestanian,  R.       
Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Abolfath, M., Golestanian, R., & Jungwirth, T. (2000). Finite-temperature behavior of the quantum Hall effect in bilayer electron systems. Physical Review B - Condensed Matter and Materials Physics, 61(7), 4762-4765. doi:10.1103/PhysRevB.61.4762.


Cite as: https://hdl.handle.net/21.11116/0000-0001-ACBE-8
Abstract
An effective field theoretic description of (Formula presented) bilayer electron systems stabilized by Coulomb repulsion in a single wide quantum well is examined using renormalization-group techniques. The system is found to undergo a crossover from a low temperature strongly correlated quantum Hall state to a high-temperature compressible state. This picture is used to account for the recent experimental observation of an anomalous transition in bilayer electron systems [T. S. Lay et al., Phys. Rev. B 50, 17 725 (1994)]. An estimate for the crossover temperature is provided, and it is shown that its dependence on electron density is in reasonable agreement with the experiment. © 2000 The American Physical Society.