Navigating the 16-dimensional Hilbert space of a high-spin donor qudit with electric and magnetic fields

I Fernández de Fuentes, T Botzem, MAI Johnson… - Nature …, 2024 - nature.com
Efficient scaling and flexible control are key aspects of useful quantum computing hardware.
Spins in semiconductors combine quantum information processing with electrons, holes or …

Schrödinger cat states of a nuclear spin qudit in silicon

X Yu, B Wilhelm, D Holmes, A Vaartjes… - Nature Physics, 2025 - nature.com
High-dimensional quantum systems are a valuable resource for quantum information
processing. They can be used to encode error-correctable logical qubits, which has been …

Unitary collapse of Schrödinger's cat state

P Stránský, P Cejnar, R Filip - Physical Review A, 2024 - APS
We analyze the dynamics of the Rabi model describing interactions of a qubit with a single
soft-mode oscillator. We show that the model with a slightly violated parity generates …

A Mathematical Structure for Amplitude-Mixing Error-Transparent Gates for Binomial Codes

OC Wetherbee, S Roy, B Royer, V Fatemi - arXiv preprint arXiv …, 2024 - arxiv.org
Bosonic encodings of quantum information offer hardware-efficient, noise-biased
approaches to quantum error correction relative to qubit register encodings …

Synthetic high angular momentum spin dynamics in a microwave oscillator

S Roy, A Senanian, CS Wang, OC Wetherbee… - arXiv preprint arXiv …, 2024 - arxiv.org
Spins and oscillators are foundational to much of physics and applied sciences. For
quantum information, a spin 1/2 exemplifies the most basic unit, a qubit. High angular …

Unitary death of Schr\" odinger's cat

P Stránský, P Cejnar, R Filip - arXiv preprint arXiv:2407.04389, 2024 - arxiv.org
We analyze dynamics of the Rabi model describing interactions of a qubit with a single soft-
mode oscillator. We show that the model with a slightly violated parity generates symmetric …

Lanthanide atoms as candidate spin-qubits at surface

S Reale - 2023 - politesi.polimi.it
Single-atom spin qubits on surfaces have recently emerged as promising candidates for
quantum computation. The potential for a nanoscale platform opens the path for scalable …