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Observation of the chiral magnetic effect in ZrTe5
Qiang Li, Dmitri E. Kharzeev, Cheng Zhang +7
The chiral magnetic effect is the generation of electric current induced by chirality imbalance in the presence of magnetic field. It is a macroscopic manifestation of the quantum…
Imaging Dirac-Mass Disorder from Magnetic Dopant-Atoms in the Ferromagnetic Topological Insulator Cr(BiSb)Te
Inhee Lee, Chung Koo Kim, Jinho Lee +8
To achieve and utilize the most exotic electronic phenomena predicted for the surface states of 3D topological insulators (TI),it is necessary to open a "Dirac-mass gap" in their s…
Quasiparticle Interference, quasiparticle interactions and the origin of the charge density-wave in 2H-NbSe
C. J. Arguello, E. P. Rosenthal, E. F. Andrade +10
We show that a small number of intentionally introduced defects can be used as a spectroscopic tool to amplify quasiparticle interference in 2H-NbSe, that we measure by scann…
Electronic structure basis for the titanic magnetoresistance in WTe
I. Pletikosić, Mazhar N. Ali, A. Fedorov +2
The electronic structure basis of the extremely large magnetoresistance in layered non-magnetic tungsten ditelluride has been investigated by angle-resolved photoelectron spectrosc…
Absence of a Proximity Effect in a Topological Insulator on a Cuprate Superconductor: Bi2Se3/Bi2Sr2CaCu2O8
T. Yilmaz, I. Pletikosic, A. P. Weber +5
Proximity-induced superconductivity in a 3D topological insulator represents a new avenue for observing zero-energy Majorana fermions inside vortex cores. Relatively small gaps and…
Inducing Lifshitz transition by extrinsic doping of surface bands in topological crystalline insulator PbSnSe
Ivo Pletikosić, Genda D. Gu, Tonica Valla
Narrow gap semiconductor PbSnSe was investigated for topologically protected surface states in its rock-salt structural phase for x=0.45, 0.23, 0.15, and 0. Angle-res…