Found 377 results, showing the newest relevant preprints. Sort by relevancy only.Update me on new preprints

Two-Dimensional Time-Reversal-Invariant Topological Insulators via Fredholm Theory

Using Fredholm theory we revisit the (known) bulk topological invariant, define a new one for the edge, and show their equivalence (the bulk-edge correspondence) via homotopy. Expand abstract.
168 days ago
7/10 relevant
arXiv

The hybrid-order topology of weak topological insulators

Considering the minimal symmetry requirements, we anticipate that our findings could apply to a large number of weak topological insulators. Expand abstract.
168 days ago
10/10 relevant
arXiv

Pursuing High-Temperature Quantum Anomalous Hall Effect in MnBi$_2$Te$_4$/Sb$_2$Te$_3$ Heterostructures

Quantum anomalous Hall effect (QAHE) has been experimentally realized in magnetically-doped topological insulators or intrinsic magnetic topological insulator MnBi$_2$Te$_4$ by applying an external magnetic field. Expand abstract.
169 days ago
7/10 relevant
arXiv

Theory of current-driven dynamics of spin textures on a surface of topological insulators

Spin-transfer torque is one of the important physical quantities to understand for successful application of topological insulators to spintronics. Expand abstract.
170 days ago
10/10 relevant
arXiv

Evidence of topological gap opening in the surface state of Bi$_2$Se$_3$ by proximity to a magnetic insulator

Topological insulators are bulk insulators with exotic surface states, protected under time-reversal symmetry, that hold promise in observing many exciting condensed-matter phenomena. Expand abstract.
171 days ago
7/10 relevant
arXiv

Antiferromagnetic Topological Insulator MnBi2Te4: Synthesis and Magnetic properties

Recently, MnBi2Te4 has been discovered as the first intrinsic antiferromagnetic topological insulator (AFM TI), and will become a promising material to discover exotic topological quantum phenomena. Expand abstract.
171 days ago
7/10 relevant
arXiv

Classification of topological ladder models

Our results open a route for the experimental realization and detection of topological insulators in novel symmetry classes with ladder architectures. Expand abstract.
175 days ago
5/10 relevant
arXiv

Anomalously large spin-current voltages on the surface of SmB$_6$

The spin-polarized surface states of topological insulators have attracted interest both from a fundamental and applied point of view. Expand abstract.
175 days ago
6/10 relevant
arXiv

Interplay of Dirac nodes and Volkov-Pankratov surface states in compressively strained HgTe

As such, similar to topological insulators, HgTe provides the archetypical reference for the experimental investigation of topological semimetals. Expand abstract.
176 days ago
5/10 relevant
arXiv

Non-local electrical detection of spin-momentum-locked surface currents in the 3D topological insulator BiSbTeSe$_{2}$

The spin-polarized surface states in topological insulators offer unique transport characteristics which make them distinguishable from trivial conductors. Expand abstract.
177 days ago
10/10 relevant
arXiv