Semiconductor spin qubits

G Burkard, TD Ladd, A Pan, JM Nichol, JR Petta - Reviews of Modern Physics, 2023 - APS
The spin degree of freedom of an electron or a nucleus is one of the most basic properties of
nature and functions as an excellent qubit, as it provides a natural two-level system that is …

Coherent spin control of s-, p-, d-and f-electrons in a silicon quantum dot

RCC Leon, CH Yang, JCC Hwang, JC Lemyre… - Nature …, 2020 - nature.com
Once the periodic properties of elements were unveiled, chemical behaviour could be
understood in terms of the valence of atoms. Ideally, this rationale would extend to quantum …

Spin-orbit coupling and operation of multivalley spin qubits

M Veldhorst, R Ruskov, CH Yang, JCC Hwang… - Physical Review B, 2015 - APS
Spin qubits composed of either one or three electrons are realized in a quantum dot formed
at a Si/SiO 2 interface in isotopically enriched silicon. Using pulsed electron-spin resonance …

Electron -factor of valley states in realistic silicon quantum dots

R Ruskov, M Veldhorst, AS Dzurak, C Tahan - Physical Review B, 2018 - APS
We theoretically model the spin-orbit interaction in silicon quantum dot devices, relevant for
quantum computation and spintronics. Our model is based on a modified effective mass …

[PDF][PDF] Pharmaceutical and biopharmaceutical aspects of quantum dots-an overview

SC Shaikh, SG Saboo, PS Tandale, FS Memon… - Int. J. App …, 2021 - academia.edu
In the twenty-first century, nanotechnology has become cutting-edge technology. It is
interdisciplinary and multidisciplinary, covering numerous fields such as medicine …

Molecular formations and spectra due to electron correlations in three-electron hybrid double-well qubits

C Yannouleas, U Landman - Physical Review B, 2022 - APS
We show that systematic full configuration-interaction (FCI) calculations enable prediction of
the energy spectra and the intrinsic spatial and spin structures of the many-body wave …

Wigner molecules and hybrid qubits

C Yannouleas, U Landman - Journal of Physics: Condensed …, 2022 - iopscience.iop.org
It is demonstrated that exact diagonalization of the microscopic many-body Hamiltonian via
systematic full configuration-interaction (FCI) calculations is able to predict the spectra as a …

Strong electron-electron interactions in Si/SiGe quantum dots

HE Ercan, SN Coppersmith, M Friesen - Physical Review B, 2021 - APS
Interactions between electrons can strongly affect the shape and functionality of
multielectron quantum dots. The resulting charge distributions can be localized, as in the …

[HTML][HTML] High-precision real-space simulation of electrostatically confined few-electron states

CR Anderson, MF Gyure, S Quinn, A Pan, RS Ross… - AIP Advances, 2022 - pubs.aip.org
In this paper, we present a computational procedure that utilizes real-space grids to obtain
high precision approximations of electrostatically confined few-electron states such as those …

Charge-Noise Resilience of Two-Electron Quantum Dots in Heterostructures

HE Ercan, M Friesen, SN Coppersmith - Physical Review Letters, 2022 - APS
The valley degree of freedom presents challenges and opportunities for silicon spin qubits.
An important consideration for singlet-triplet states is the presence of two distinct triplets …