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Artificial Neural Network Approach to the Analytic Continuation Problem
Romain Fournier, Lei Wang, Oleg V. Yazyev +1
Inverse problems are encountered in many domains of physics, with analytic continuation of the imaginary Green's function into the real frequency domain being a particularly import…
Magnetoresistance from Fermi Surface Topology
Sheng Nan Zhang, Quan Sheng Wu, Yi Liu +1
Extremely large non-saturating magnetoresistance has recently been reported for a large number of both topologically trivial and non-trivial materials. Different mechanisms have be…
Non-Abelian band topology in noninteracting metals
QuanSheng Wu, Alexey A. Soluyanov, Tomáš Bzdušek
Electron energy bands of crystalline solids generically exhibit degeneracies called band-structure nodes. Here, we introduce non-Abelian topological charges that characterize line…
Topological Thermoelectricity in Metals
Sobhit Singh, QuanSheng Wu, Changming Yue +2
Recently published discoveries of acoustic and optical mode inversion in the phonon spectrum of certain metals became the first realistic example of non-interacting topological bos…
Observation of a nodal chain with Dirac surface states in TiB2
C. -J. Yi, B. Q. Lv, Q. S. Wu +13
Topological nodal-line semimetals (TNLSMs) are characterized by symmetry-protected band crossings extending along one-dimensional lines in momentum space. The nodal lines exhibit a…
Automated construction of symmetrized Wannier-like tight-binding models from ab initio calculations
Dominik Gresch, QuanSheng Wu, Georg W. Winkler +3
Wannier tight-binding models are effective models constructed from first-principles calculations. As such, they bridge a gap between the accuracy of first-principles calculations a…