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Topological Hopf and chain link semimetal states and their application to Co2MnGa (Theory and Materials Prediction)
Guoqing Chang, Su-Yang Xu, Xiaoting Zhou +9
Topological semimetals can be classified by the connectivity and dimensionality of the band cross- ing in momentum space. The band crossings of a Dirac, Weyl, or an unconventional…
Topological superconductor in quasi-one-dimensional Tl2-xMo6Se6
Shin-Ming Huang, Chuang-Han Hsu, Su-Yang Xu +4
We propose that the quasi-one-dimensional molybdenum selenide compound Tl2-xMo6Se6 is a time-reversal-invariant topological superconductor induced by inter-sublattice pairing, even…
Large Fermi Arcs in Unconventional Weyl Semimetal RhSi
Guoqing Chang, Su-Yang Xu, Benjamin J. Wieder +8
The theoretical proposal of chiral fermions in topological semimetals has led to a significant effort towards their experimental realization. In particular, the Fermi surfaces of c…