This review describes recent groundbreaking results in Si, Si/SiGe, and dopant-based
quantum dots, and it highlights the remarkable advances in Si-based quantum physics that …

Now that it is possible to achieve measurement and control fidelities for individual quantum
bits (qubits) above the threshold for fault tolerance, attention is moving towards the difficult …

Arrays of quantum dots (QDs) are a promising candidate system to realize scalable, coupled
qubit systems and serve as a fundamental building block for quantum computers. In such …

We propose a quantum dot qubit architecture that has an attractive combination of speed
and fabrication simplicity. It consists of a double quantum dot with one electron in one dot …

Motivated by recent experiments of Zajac et al.[Science 359, 439 (2018) 10.1126/science.
aao5965], we theoretically describe high-fidelity two-qubit gates using the exchange …

It has been demonstrated that small plaquettes of quantum dot spin qubits are capable of
simulating condensed matter phenomena that arise from the Hubbard model, such as the …

The new quantum era is expected to have an unprecedented social impact, enabling the
research of tomorrow in several pivotal fields. These perspectives require a physical system …

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 …

In this study, a formal definition, robustness analysis and discussion on the control of a
position-based semiconductor charge qubit are presented. Such a qubit can be realized in a …

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 …