Evidence of a Coulomb-Interaction-Induced Lifshitz Transition and Robust Hybrid Weyl Semimetal in T_{d}-MoTe_{2}.

@article{Xu2018EvidenceOA,
  title={Evidence of a Coulomb-Interaction-Induced Lifshitz Transition and Robust Hybrid Weyl Semimetal in T_\{d\}-MoTe_\{2\}.},
  author={Nan Xu and Z. W. Wang and Arnaud Magrez and Philippe Dr Bugnon and Hanno Berger and C E Matt and Vladimir N. Strocov and Nicholas C Plumb and Miladin Radovic and Ekaterina Pomjakushina and Kazimierz Conder and Jan Hugo Dil and Jo{\"e}l M{\'e}sot and Rui Xiang Yu and Hu Ding and Ming Yuan Shi},
  journal={Physical review letters},
  year={2018},
  volume={121 13},
  pages={
          136401
        }
}
Using soft x-ray angle-resolved photoemission spectroscopy we probed the bulk electronic structure of T_{d}-MoTe_{2}. We found that on-site Coulomb interaction leads to a Lifshitz transition, which is essential for a precise description of the electronic structure. A hybrid Weyl semimetal state with a pair of energy bands touching at both type-I and type-II Weyl nodes is indicated by comparing the experimental data with theoretical calculations. Unveiling the importance of Coulomb interaction… CONTINUE READING
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