19 citations · 98 across the 10 of their papers we have counts for
10 papers
Spin-Orbit Interaction Enabled High-Fidelity Two-Qubit Gates
Jiaan Qi, Zhi-Hai Liu, H. Q. Xu
We study the implications of spin-orbit interaction (SOI) for two-qubit gates (TQGs) in semiconductor spin qubit platforms. SOI renders the exchange interaction governing qubit pai…
Charge states, triple points and quadruple points in an InAs nanowire triple quantum dot revealed by an integrated charge sensor
Weijie Li, Zhihai Liu, Jingwei Mu +4
A serial triple quantum dot (TQD) integrated with a quantum dot (QD) charge sensor is realized from an InAs nanowire via a fine finger-gate technique. The complex charge states and…
Topological charge and spin pumping in a semiconductor nanowire
Zhi-Hai Liu, H. Q. Xu
The adiabatic topological pumping is proposed by periodically modulating a semiconductor nanowire double-quantum-dot chain. We demonstrate that the quantized charge transport can b…
Charge detection of a quantum dot under different tunneling barrier symmetries and bias voltages
Jingwei Mu, Weijie Li, Shaoyun Huang +5
We report on the realization of a coupled quantum dot (QD) system containing two single QDs made in two adjacent InAs nanowires. One QD (sensor QD) is used as a charge sensor to de…
Topological states and interplay between spin-orbit and Zeeman interactions in a spinful Su-Schrieffer-Heeger nanowire
Zhi-Hai Liu, O. Entin-Wohlman, A. Aharony +2
The interplay between the spin-orbit and Zeeman interactions acting on a spinful Su-Schrieffer-Heeger model is studied based on an InAs nanowire subjected to a periodic gate potent…
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…
Control of the Two-Electron Exchange Interaction in a Nanowire Double Quantum Dot
Zhi-Hai Liu, O. Entin-Wohlman, A. Aharony +1
The two-electron exchange coupling in a nanowire double quantum dot (DQD) is shown to possess Moriya's anisotropic superexchange interaction under the influence of both the Rashba…
Spin-orbit coupling and electric-dipole spin resonance in a nanowire double quantum dot
Zhi-Hai Liu, Rui Li, Xuedong Hu +1
We study the electric-dipole transitions for a single electron in a double quantum dot located in a semiconductor nanowire. Enabled by spin-orbit coupling (SOC), electric-dipole sp…
Spin-relaxation anisotropy in a nanowire quantum dot with strong spin-orbit coupling
Zhi-Hai Liu, Rui Li
We study the impacts of the magnetic field direction on the spin-manipulation and the spin-relaxation in a one-dimensional quantum dot with strong spin-orbit coupling. The energy s…
The impacts of the quantum-dot confining potential on the spin-orbit effect
Rui Li, Zhi-Hai Liu, Yidong Wu +1
For a nanowire quantum dot with the confining potential modeled by both the infinite and the finite square wells, we obtain exactly the energy spectrum and the wave functions in th…