Engineering topological states in atom-based semiconductor quantum dots
M Kiczynski, SK Gorman, H Geng, MB Donnelly… - Nature, 2022 - nature.com
The realization of controllable fermionic quantum systems via quantum simulation is
instrumental for exploring many of the most intriguing effects in condensed-matter physics …
instrumental for exploring many of the most intriguing effects in condensed-matter physics …
Experimental realization of an extended Fermi-Hubbard model using a 2D lattice of dopant-based quantum dots
The Hubbard model is an essential tool for understanding many-body physics in condensed
matter systems. Artificial lattices of dopants in silicon are a promising method for the analog …
matter systems. Artificial lattices of dopants in silicon are a promising method for the analog …
Quantum federated learning through blind quantum computing
Private distributed learning studies the problem of how multiple distributed entities
collaboratively train a shared deep network with their private data unrevealed. With the …
collaboratively train a shared deep network with their private data unrevealed. With the …
Atom‐by‐atom fabrication of single and few dopant quantum devices
Atomically precise fabrication has an important role to play in developing atom‐based
electronic devices for use in quantum information processing, quantum materials research …
electronic devices for use in quantum information processing, quantum materials research …
Impact of incorporation kinetics on device fabrication with atomic precision
JA Ivie, Q Campbell, JC Koepke, MI Brickson… - Physical Review …, 2021 - APS
Scanning tunneling microscope lithography can be used to create nanoelectronic devices in
which dopant atoms are precisely positioned in a Si lattice within approximately 1 nm of a …
which dopant atoms are precisely positioned in a Si lattice within approximately 1 nm of a …
Topological phases of a dimerized Fermi–Hubbard model for semiconductor nano-lattices
Motivated by recent advances in fabricating artificial lattices in semiconductors and their
promise for quantum simulation of topological materials, we study the one-dimensional …
promise for quantum simulation of topological materials, we study the one-dimensional …
Atomic-scale control of tunneling in donor-based devices
Atomically precise donor-based quantum devices are a promising candidate for solid-state
quantum computing and analog quantum simulations. However, critical challenges in …
quantum computing and analog quantum simulations. However, critical challenges in …
Extended Hubbard model describing small multidot arrays in bilayer graphene
We set up and parametrize a Hubbard model for interacting quantum dots in bilayer
graphene and study double dots as the smallest multidot system. We demonstrate the …
graphene and study double dots as the smallest multidot system. We demonstrate the …
Quantum simulator of extended bipartite Hubbard model with broken sublattice symmetry: Magnetism, correlations, and phase transitions
We describe here a quantum simulator of extended bipartite Hubbard model with broken
sublattice symmetry. The simulator consists of a structured lateral gate confining two …
sublattice symmetry. The simulator consists of a structured lateral gate confining two …
Valley filtering in spatial maps of coupling between silicon donors and quantum dots
Exchange coupling is a key ingredient for spin-based quantum technologies since it can be
used to entangle spin qubits and create logical spin qubits. However, the influence of the …
used to entangle spin qubits and create logical spin qubits. However, the influence of the …