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Dynamical Axion Field in a Magnetic Topological Insulator Superlattice
Jing Wang, Biao Lian, Shou-Cheng Zhang
We propose that the dynamical axion field can be realized in a magnetic topological insulator superlattice or a topological paramagnetic insulator. The magnetic fluctuations of the…
Edge State Induced Andreev Oscillation in Quantum Anomalous Hall Insulator-Superconductor Junctions
Biao Lian, Jing Wang, Shou-Cheng Zhang
We study the quantum Andreev oscillation induced by interference of the edge chiral Majorana fermions in junctions made of quantum anomalous Hall (QAH) insulators and superconducto…
Chiral topological superconductor and half-integer conductance plateau from quantum anomalous Hall plateau transition
Jing Wang, Quan Zhou, Biao Lian +1
We propose to realize a two-dimensional chiral topological superconducting (TSC) state from the quantum anomalous Hall plateau transition in a magnetic topological insulator thin f…
Quantized topological magnetoelectric effect of the zero-plateau quantum anomalous Hall state
Jing Wang, Biao Lian, Xiao-Liang Qi +1
Topological magnetoelectric effect in a three-dimensional topological insulator is a novel phenomenon, where an electric field induces a magnetic field in the same direction, with…
Resonant magneto-optic Kerr effect in the magnetic topological insulator Cr:(Sb,Bi)Te
Shreyas Patankar, J. P. Hinton, Joel Griesmar +10
We report measurements of the polar Kerr effect, proportional to the out-of-plane component of the magnetization, in thin films of the magnetically doped topological insulator $(\t…
Observation of the zero Hall plateau in a quantum anomalous Hall insulator
Yang Feng, Xiao Feng, Yunbo Ou +10
Quantum anomalous Hall (QAH) effect in magnetic topological insulator (TI) is a novel transport phenomenon in which the Hall resistance reaches the quantum plateau in the absence o…
Metal-to-Insulator Switching in Quantum Anomalous Hall States
Xufeng Kou, Lei Pan, Jing Wang +8
After decades of searching for the dissipationless transport in the absence of any external magnetic field, quantum anomalous Hall effect (QAHE) was recently achieved in magnetic t…
Simultaneous electrical-field-effect modulation of both top and bottom Dirac surface states of epitaxial thin films of three-dimensional topological insulators
Cui-Zu Chang, Zuocheng Zhang, Kang Li +11
It is crucial for the studies of the transport properties and quantum effects related to Dirac surface states of three-dimensional topological insulators (3D TIs) to be able to sim…