Exact Symmetries of Electron Interactions in the Lowest Landau Level
Eliashvili, M. · Ezawa, Z. F. · Tsitsishvili, G.
Original · EN
Considering the system of interacting electrons in the lowest Landau level we show that the corresponding four-fermion Hamiltonian is invariant with respect to the local area-preserving transformations. Testing a certain class of interaction potentials, we find that this symmetry is universal with respect to a concrete type of potentials.
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