Holomorphicity, vortex attachment, gauge invariance and the fractional quantum hall effect
Published: 25 November 2021
Journal of Physics A: Mathematical and Theoretical , Volume 55; https://doi.org/10.1088/1751-8121/ac3d67
Abstract: A gauge invariant reformulation of nonrelativistic fermions in background magnetic fields is used to obtain the Laughlin and Jain wave functions as exact results in Mean Field Theory (MFT). The gauge invariant framework trades the U(1) gauge symmetry for an emergent holomorphic symmetry and fluxes for vortices. The novel holomorphic invariance is used to develop an analytical method for attaching vortices to particles. Vortex attachment methods introduced in this paper are subsequently employed to construct the Read operator within a second quantized framework and obtain the Laughlin and Jain wave functions as exact results entirely within a mean-field approximation. The gauge invariant framework and vortex attachment techniques are generalized to the case of spherical geometry and spherical counterparts of Laughlin and Jain wave functions are also obtained exactly within MFT.
Keywords: fractional quantum Hall effect / field theories in D = 2 + 1 / composite fermions / composite bosons
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