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Emergent Weyl Fermions in an Orbital Multipolar Ordering Phase
Hua Chen, Congjun Wu, X. C. Xie
Multipolar orderings in degenerate orbital systems offer unique opportunities for emergent topological phases. The phase diagram of interacting spinless fermions in a -band diam…
Non-Abelian braiding in spin superconductors utilizing the Aharonov-Casher effect
Yijia Wu, Jie Liu, Hua Jiang +3
Spin superconductor (SSC) is an exciton condensate state where the spin-triplet exciton superfluidity is charge neutral while spin . In analogy to the Majorana zero mod…
Large Anomalous Hall Effect in Topological Insulators Proximitized by Collinear Antiferromagnets
Chao Lei, Hua Chen, Allan H. MacDonald
CrSb is an attractive material for room-temperature antiferromagnetic spintronic applications because of its high Néel temperature 700 K and semi-metallic character. We study…
Orbital order in a bosonic -band triangular lattice
Hua Chen, X. C. Xie
We present a detailed study of the Bose-Hubbard model in a -band triangular lattice by focusing on the evolution of orbital order across the superfluid-Mott insulator transition…