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A three-dimensional magnetic topological phase
Ilya Belopolski, Daniel S. Sanchez, Guoqing Chang +16
We use photoemission spectroscopy to discover the first topological magnet in three dimensions, the material CoMnGa.
Super Periodic Potential
Mohammd Hasan, Bhabani Prasad Mandal
In this paper we introduce the concept of super periodic potential (SPP) of arbitrary order , , in one dimension. General theory of wave propagation through SPP of…
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…
Observation of Gapless Dirac Surface States in ZrGeTe
M. Mofazzel Hosen, Klauss Dimitri, Alex Aperis +10
The experimental discovery of the topological Dirac semimetal establishes a platform to search for various exotic quantum phases in real materials. ZrSiS-type materials have recent…
Mirror protected Dirac fermions on a Weyl semimetal NbP surface
Hao Zheng, Guoqing Chang, Shin-Ming Huang +15
The first Weyl semimetal was recently discovered in the NbP class of compounds. Although the topology of these novel materials has been identified, the surface properties are not y…
Recently synthesized (Zr1-xTix)2AlC (0 - x - 1) solid solutions: Theoretical study of the effects of M mixing on physical properties
M. A. Ali, M. M. Hossain, M. A. Hossain +5
The effects of M atomic species mixing on the physical properties of newly synthesized MAX phase (Zr1-xTix)2AlC solid solutions have been studied by means of density functional the…