activity
20242026
collaborators

10 papers

quant-ph2026

Fully optimised variational simulation of a dynamical quantum phase transition on a trapped-ion quantum computer

Lesley Gover, Vinul Wimalaweera, Fariha Azad +3

We time-evolve a translationally invariant quantum state on the Quantinuum H1-1 trapped-ion quantum processor, studying the dynamical quantum phase transition of the transverse fie…

quant-ph2026

Digital quantum magnetism on a trapped-ion quantum computer

Reza Haghshenas, Eli Chertkov, Michael Mills +56

Digital quantum matter -- realized when discrete quantum gates approximate continuous time evolution -- is susceptible to heating into chaotic, structureless states. If digitizatio…

quant-ph2026

Directly estimating the fidelity of measurement-based quantum computation

David T. Stephen, Michael Foss-Feig

In measurement-based quantum computation (MBQC), quantum circuits are implemented using adaptive measurements on an entangled resource state. In practice, the resource state will a…

quant-ph2026

Superconducting pairing correlations on a trapped-ion quantum computer

Etienne Granet, Sheng-Hsuan Lin, Kevin Hémery +31

The Fermi-Hubbard model is the starting point for the simulation of many strongly correlated materials, including high-temperature superconductors, whose modelling is a key motivat…

quant-ph2025

Certified randomness amplification by dynamically probing remote random quantum states

Minzhao Liu, Pradeep Niroula, Matthew DeCross +49

Cryptography depends on truly unpredictable numbers, but physical sources emit biased or correlated bits. Quantum mechanics enables the amplification of imperfect randomness into n…

quant-ph2025

Observation of a Fault Tolerance Threshold with Concatenated Codes

Grace M. Sommers, Michael Foss-Feig, David Hayes +2

We introduce a fault-tolerant protocol for code concatenation of a generalized Shor code using a butterfly network architecture with high noise thresholds and low ancilla overhead…