Nanomaterials for quantum information science and engineering

A Alfieri, SB Anantharaman, H Zhang… - Advanced …, 2023 - Wiley Online Library
Quantum information science and engineering (QISE)—which entails the use of quantum
mechanical states for information processing, communications, and sensing—and the area …

Properties and applications of quantum dots derived from two-dimensional materials

H Abdelsalam, QF Zhang - Advances in Physics: X, 2022 - Taylor & Francis
Quantum dots based on two-dimensional materials (2D-QDs) have received significant
attention due to their exceptional physical, chemical, and biological properties. They have …

Long-lived valley states in bilayer graphene quantum dots

R Garreis, C Tong, J Terle, MJ Ruckriegel, JD Gerber… - Nature Physics, 2024 - nature.com
Bilayer graphene is a promising platform for electrically controllable qubits in a two-
dimensional material. Of particular interest is the ability to encode quantum information in …

Spin-valley locked excited states spectroscoy in a one-particle bilayer graphene quantum dot

H Duprez, S Cances, A Omahen, M Masseroni… - Nature …, 2024 - nature.com
Current semiconductor qubits rely either on the spin or on the charge degree of freedom to
encode quantum information. By contrast, in bilayer graphene the valley degree of freedom …

Giant orbital magnetic moments and paramagnetic shift in artificial relativistic atoms and molecules

Z Ge, S Slizovskiy, P Polizogopoulos, T Joshi… - Nature …, 2023 - nature.com
Materials such as graphene and topological insulators host massless Dirac fermions that
enable the study of relativistic quantum phenomena. Single quantum dots and coupled …

Kondo effect and spin–orbit coupling in graphene quantum dots

A Kurzmann, Y Kleeorin, C Tong, R Garreis… - Nature …, 2021 - nature.com
The Kondo effect is a cornerstone in the study of strongly correlated fermions. The coherent
exchange coupling of conduction electrons to local magnetic moments gives rise to a Kondo …

Particle–hole symmetry protects spin-valley blockade in graphene quantum dots

L Banszerus, S Möller, K Hecker, E Icking, K Watanabe… - Nature, 2023 - nature.com
Particle–hole symmetry plays an important role in the characterization of topological phases
in solid-state systems. It is found, for example, in free-fermion systems at half filling and it is …

Single-shot spin readout in graphene quantum dots

LM Gächter, R Garreis, JD Gerber, MJ Ruckriegel… - PRX Quantum, 2022 - APS
Electrostatically defined quantum dots in bilayer graphene offer a promising platform for spin
qubits with presumably long coherence times due to low spin-orbit coupling and low nuclear …

Spin-valley coupling in single-electron bilayer graphene quantum dots

L Banszerus, S Möller, C Steiner, E Icking… - Nature …, 2021 - nature.com
Understanding how the electron spin is coupled to orbital degrees of freedom, such as a
valley degree of freedom in solid-state systems, is central to applications in spin-based …

Pauli blockade of tunable two-electron spin and valley states in graphene quantum dots

C Tong, A Kurzmann, R Garreis, WW Huang, S Jele… - Physical Review Letters, 2022 - APS
Pauli blockade mechanisms—whereby carrier transport through quantum dots (QD) is
blocked due to selection rules even when energetically allowed—are a direct manifestation …