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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2013

Microscopic model for the boson integer quantum Hall effect

Résumé

In two dimensions strongly interacting bosons in a magnetic field can form an integer quantum Hall state. This state has a bulk gap, no fractional charges or topological order in the bulk, but nevertheless quantized Hall transport and symmetry-protected edge excitations. Here we study a simple microscopic model for such a state in a system of two-component bosons in a strong orbital magnetic field. We show through exact-diagonalization calculations that the model supports the boson integer quantum Hall ground state in a range of parameters.

Dates et versions

hal-00967689 , version 1 (30-03-2014)

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Nicolas Regnault, T. Senthil. Microscopic model for the boson integer quantum Hall effect. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2013, 88, pp.161106(R). ⟨10.1103/PhysRevB.88.161106⟩. ⟨hal-00967689⟩
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