Exact Parent Lattice Hamiltonian for One-Dimensional Non-Abelian Fractional Quantum Hall Liquids

Details Exact Parent Lattice Hamiltonian for One-Dimensional Non-Abelian Fractional Quantum Hall Liquids Exact Parent Lattice Hamiltonian for One-Dimensional Non-Abelian Fractional Quantum Hall Liquids

2011-11-25

arxiv.org/abs/1111.6092v2

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 2 figures, added references

Scientific paper

I present a family of one-dimensional time reversal lattice Hamiltonians whose exact ground states are bosonic non-Abelian fractional quantum Hall liquids with well defined total chiral momentum. These Hamiltonians describe k-hard-core bosons and involve long-range tunneling and interaction processes with an amplitude decaying with the chord distance. For k=2 the ground state is a p-wave paired phase corresponding to the Pfaffian quantum Hall state. This family of non-Abelian liquids is shown to be in one-to-one correspondence with a family of non-Abelian spin-k/2 liquids exhibiting hidden non-local order. They are total singlets made out of k indistinguishable Resonating Valence Bond states. The corresponding spin parent Hamiltonians are obtained.

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