247 citations · 717 across the 22 of their papers we have counts for
22 papers
Nonequilibrium dynamics of the localization-delocalization transition in the non-Hermitian Aubry-André model
Liang-Jun Zhai, Guang-Yao Huang, Shuai Yin
In this paper, we investigate the driven dynamics of the localization transition in the non-Hermitian Aubry-André model with the periodic boundary condition. Depending on the stren…
Cascade of the delocalization transition in a non-Hermitian interpolating Aubry-Andr{é}-Fibonacci chain
Liang-Jun Zhai, Guang-Yao Huang, Shuai Yin
In this paper, the interplay of the non-Herimiticity and the cascade of delocalization transition in the quasi-periodic chain is studied. The study is applied in a non-Hermitian in…
Highly tunable quadruple quantum dot in a narrow bandgap semiconductor InAs nanowire
Jingwei Mu, Shaoyun Huang, Zhi-Hai Liu +7
Quantum dots (QDs) made from semiconductors are among the most promising platforms for the developments of quantum computing and simulation chips, and have advantages over other pl…
Quantum Hall admittance in non-Hermitian systems
Annan Fan, Guang-Yao Huang, Shi-Dong Liang
We propose a pair of the complex Berry curvatures associated with the non-Hermitian Hamiltonian and its Hermitian adjoint to reveal new physics in non-Hermitian systems. We give th…
Experimental review on Majorana zero-modes in hybrid nanowires
Ji-Bang Fu, Bin Li, Xin-Fang Zhang +3
As the condensed matter analog of Majorana fermion, the Majorana zero-mode is well known as a building block of fault-tolerant topological quantum computing. This review focuses on…
Measurements of anisotropic g-factors for electrons in InSb nanowire quantum dots
Jingwei Mu, Shaoyun Huang, Ji-Yin Wang +3
We have measured the Zeeman splitting of quantum levels in few-electron quantum dots (QDs) formed in narrow bandgap InSb nanowires via the Schottky barriers at the contacts under a…
Many-body localization in a non-Hermitian quasi-periodic system
Liang-Jun Zhai, Shuai Yin, Guang-Yao Huang
In the present study, the interplay among interaction, topology, quasiperiodicity, and non-Hermiticity is studied. The hard-core bosons model on a one-dimensional lattice with asym…
Enhancement of optomechanically induced sum sideband using parametric interactions
Wen-An Li, Guang-Yao Huang
We theoretically study radiation pressure induced generation of the frequency components at the sum sideband in an optomechanical system containing an optical parametric amplifier…
Anisotropic Pauli spin-blockade effect and spin-orbit interaction field in an InAs nanowire double quantum dot
Ji-Yin Wang, Guang-Yao Huang, Shaoyun Huang +4
We report on experimental detection of the spin-orbit interaction field in an InAs nanowire double quantum dot device. In the spin blockade regime, leakage current through the doub…
Charge transport and electron-hole asymmetry in low-mobility graphene/hexagonal boron nitride heterostructures
Jiayu Li, Li Lin, Guang-Yao Huang +5
Graphene/hexagonal boron nitride (G/-BN) heterostructures offer an excellent platform for developing nanoelectronic devices and for exploring correlated states in graphene under…
Majorana bound states and subgap states in three-terminal topological superconducting nanowire-quantum dot hybrid devices
Guang-Yao Huang, Xin Liu, H. Q. Xu
Three-terminal topological superconducting nanowire (TSNW)-quantum dot (QD) hybrid junction devices are studied. The energy spectra and the wave functions of the subgap states are…
Coherent transport in a linear triple quantum dot made from a pure-phase InAs nanowire
Ji-Yin Wang, Shaoyun Huang, Guang-Yao Huang +3
A highly tunable linear triple quantum dot (TQD) device is realized in a single-crystalline pure-phase InAs nanowire using a local finger gate technique. The electrical measurement…
Majorana fermions in topological insulator nanowires: from single superconducting nanowires to Josephson junctions
Guang-Yao Huang, H. Q. Xu
Signatures of Majorana fermion bound states in one-dimensional topological insulator (TI) nanowires with proximity effect induced superconductivity are studied. The phase diagram a…
Kibble-Zurek scaling in the Yang-Lee edge singularity
Shuai Yin, Guang-Yao Huang, Chung-Yu Lo +1
We study the driven dynamics across the critical points of the Yang-Lee edge singularities (YLESes) in a finite-size quantum Ising chain with an imaginary symmetry-breaking field.…
Topological energy gaps in the [111]-oriented InAs/GaSb and GaSb/InAs core-shell nanowires
Ning Luo, Gaohua Liao, Lin-Hui Ye +1
The [111]-oriented InAs/GaSb and GaSb/InAs core-shell nanowires have been studied by the Luttinger-Kohn Hamiltonian to search for non-vanishing fu…
Orbital magnetic phase and pure persistent spin current in spin-orbit coupling mesoscopic rings
Guang-Yao Huang, Shi-Dong Liang
By solving the Rashba model of mesoscopic rings, we give analytically the ground-state properties of the ring, including the spin polarization, the persistent charge and spin curre…
Theory of spin polarization in mesoscopic spin-orbit coupling systems
Shi-Dong Liang, Guang-Yao Huang
We establish a general formalism of the bulk spin polarization (BSP) and the current-based spin polarization (CSP) for mesoscopic ferromagnetic and spin-orbit interaction (SOI) sem…
Topological invariance and global Berry phase in non-Hermitian systems
Shi-Dong Liang, Guang-Yao Huang
By studying the topological invariance andBerry phase in non-Hermitian systems, we reveal the basic properties of the complex Berry phase and generalize the global Berry phases Q t…
Detecting Noncommutative Phase Space by Aharonov-Bohm Effect
Shi-Dong Liang, Haoqi Li, Guang-Yao Huang
Noncommutative phase space plays an essential role in particle physics and quantum gravity at the Planck scale. However, direct experimental evidence or observation to demonstrate…
Tunnel spectroscopy of Majorana bound states in topological superconductor-quantum dot Josephson junctions
Guang-Yao Huang, Martin Leijnse, Karsten Flensberg +1
We theoretically investigate electronic transport through a junction where a quantum dot (QD) is tunnel coupled on both sides to semiconductor nanowires with strong spin-orbit inte…
Fidelity Approach in Topological Superconductors with Disorders
Wen-Chuan Tian, Guang-Yao Huang, Zhi Wang +1
We apply the fidelity approach to study the topological superconductivity in a spin-orbit coupled nanowire system. The wire is modeled as a one layer lattice chain with Zeeman ener…
Edge states and topological orders in the spin liquid phases of star lattice
Guang-Yao Huang, Shi-Dong Liang, Dao-Xin Yao
A group of novel materials can be mapped to the star lattice, which exhibits some novel physical properties. We give the bulk-edge correspondence theory of the star lattice and stu…