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Motivated by the recent numerical simulations for doped $t$-$J$ model on honeycomb lattice, we study superconductivity of singlet and triplet pairing on honeycomb lattice Hubbard model. We show that a… Click to show full abstract
Motivated by the recent numerical simulations for doped $t$-$J$ model on honeycomb lattice, we study superconductivity of singlet and triplet pairing on honeycomb lattice Hubbard model. We show that a superconducting state with coexisting spin-singlet and spin-triplet pairings is induced by the antiferromagnetic order near half-filling. The superconducting state we obtain has a topological phase transition that separates a topologically trivial state and a nontrivial state with Chern number two. Possible experimental realization of such a topological superconductivity is also discussed.
Journal Title: Physical Review B
Year Published: 2020
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