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Observation of an acoustic non-Hermitian topological Anderson insulator
The interaction of band topology and disorder can give rise to intriguing phenomena. One paradigmatic example is the topological Anderson insulator,...
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On the half-quantized Hall conductance of massive surface electrons in magnetic topological insulator films
In topological insulators, massive surface states resulting from local symmetry breaking were thought to exhibit a half-quantized Hall conductance,...
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Two-dimensional rectangular bismuth bilayer: A novel dual topological insulator
Dual topological insulator (DTI), which simultaneously hosts topological insulator (TI) and topological crystalline insulator (TCI) phases, has...
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Energy gap of topological surface states in proximity to a magnetic insulator
Topological surface-states can acquire an energy gap when time-reversal symmetry is broken by interfacing with a magnetic insulator. This gap has yet...
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Charge qubits based on ultra-thin topological insulator films
We study how to use the surface states in a Bi 2 Se 3 topological insulator ultra-thin film that are affected by finite size effects for the purpose of...
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Edge mode percolation and equilibration in the topological insulator cadmium arsenide
Two-dimensional topological insulators can feature one-dimensional charge transport via edge modes, which offer a rich ground for studying exotic...
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Interference Transport in a Two-Dimensional Topological Insulator in a CdHgTe Quantum Well
Interference transport in mesoscopic samples of a two-dimensional topological insulator in CdHgTe quantum wells is studied for the first time. It is...
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Milliwatt terahertz harmonic generation from topological insulator metamaterials
Achieving efficient, high-power harmonic generation in the terahertz spectral domain has technological applications, for example, in sixth generation...
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Topological bulk solitons in a nonlinear photonic Chern insulator
Nonlinearities in lattices with topological band structures can induce topological interfaces in the bulk of structures and give rise to bulk...
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Electronic Spectrum Features under the Transition from Axion Insulator Phase to Quantum Anomalous Hall Effect Phase in an Intrinsic Antiferromagnetic Topological Insulator Thin Film
In this paper, we investigate the electron topological states in a thin film of intrinsic antiferromagnetic topological insulator, focusing on their...
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Nonvolatile magnetization switching in a single-layer magnetic topological insulator
Magnetization in a ferromagnetic layer could be manipulated by the spin-orbit torque whose generation commonly relies on the spin-orbit coupling from...
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Large positive magnetoresistance and high mobility in topological insulator candidate LaP
We reported herein the single crystal growth and the comprehensive study of basic physical properties including electronic transport, magnetic,...
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Magnetically tunable supercurrent in dilute magnetic topological insulator-based Josephson junctions
A superconductor, when exposed to a spin-exchange field, can exhibit spatial modulation of its order parameter, commonly referred to as the...
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Magnetic and electrical transport study of the intrinsic magnetic topological insulator MnBi2Te4 with Ge do**
As an intrinsic magnetic topological insulator with magnetic order and non-trivial topological structure, MnBi 2 Te 4 is an ideal material for studying...
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Photocurrent enhancement of topological insulator by femtosecond laser controlled surface structure
Bismuth selenide (Bi 2 Se 3 ) is a well-known topological insulator material with numerous applications in optoelectronics, spintronics, quantum...
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Electromagnetic response of the surface states of a topological insulator nanowire embedded within a resonator
Exploring the interplay between topological phases and photons opens new avenues for investigating novel quantum states. Here we show that...
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Interference, diffraction, and diode effects in superconducting array based on bismuth antimony telluride topological insulator
It is well-known in optics that the spectroscopic resolution of a diffraction grating is much better compared to an interference device having just...
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Multi-band Acoustic Topological Insulator Based on Valley Hall Effect
In this paper, a multi-band acoustic topological insulator based on the Valley Hall effect is designed. Based on the mirror symmetry in the
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Topological Insulator Plasmonics and Enhanced Light-Matter Interactions
Topological insulators with Dirac conducting surface state and insulating bulk state offer a promising platform for plasmonics with a broad operating...