Ordering mechanism and quantum anomalous Hall effect of magnetically doped topological insulators
نویسندگان
چکیده
منابع مشابه
Quantum anomalous Hall effect in 2D organic topological insulators.
The quantum anomalous Hall effect (QAHE) is a fundamental transport phenomenon in the field of condensed-matter physics. Without an external magnetic field, spontaneous magnetization combined with spin-orbit coupling gives rise to a quantized Hall conductivity. So far, a number of theoretical proposals have been made to realize the QAHE, but all based on inorganic materials. Here, using first-p...
متن کاملProspect of quantum anomalous Hall and quantum spin Hall effect in doped kagome lattice Mott insulators
Electronic states with non-trivial topology host a number of novel phenomena with potential for revolutionizing information technology. The quantum anomalous Hall effect provides spin-polarized dissipation-free transport of electrons, while the quantum spin Hall effect in combination with superconductivity has been proposed as the basis for realizing decoherence-free quantum computing. We intro...
متن کاملLogarithmic singularities and quantum oscillations in magnetically doped topological insulators
D. Nandi,1 Inti Sodemann,2, 3 K. Shain,1 G.H. Lee,1, 4 K. Huang,1 Cui-Zu Chang,5, 6 Yunbo Ou,5 S.P. Lee,7, 8 J. Ward,1 J.S. Moodera,5 P. Kim,1 and A. Yacoby1 Department of Physics, Harvard University, Cambridge, MA 02138, USA Max-Planck Institute for the Physics of Complex Systems, D-01187 Dresden, Germany Department of Physics, Massachussetts Institute of Technology, Cambridge, MA 02139, USA D...
متن کاملNonlinear dynamics induced anomalous Hall effect in topological insulators
We uncover an alternative mechanism for anomalous Hall effect. In particular, we investigate the magnetisation dynamics of an insulating ferromagnet (FM) deposited on the surface of a three-dimensional topological insulator (TI), subject to an external voltage. The spin-polarised current on the TI surface induces a spin-transfer torque on the magnetisation of the top FM while its dynamics can c...
متن کاملThe quantum spin Hall effect and topological insulators
form many different states of matter, such as crystalline solids, magnets, and superconductors. Those different states can be classified by the symmetries they spontaneously break— translational, rotational, and gauge symmetries, respectively, for the examples above. Before 1980 all states of matter in condensed-matter systems could be classified by the principle of broken symmetry. The quantum...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review B
سال: 2017
ISSN: 2469-9950,2469-9969
DOI: 10.1103/physrevb.96.140410