5 papers
Procrustes Tomography -- reconstructing noisy quantum channels made easy
Josey Stevens, Reece Robertson, Sebastian Deffner
What is the most expensive part of quantum device characterization? Clearly, the answer is quantum process tomography. However, especially for noisy intermediate-scale quantum (NIS…
Variational Gibbs State Preparation on Trapped-Ion Devices
Reece Robertson, Mirko Consiglio, Josey Stevens +3
We implement a variational quantum algorithm for Gibbs state preparation of a transverse-field Ising model on IonQ's quantum computers. To this end, we train the variational parame…
Thermodynamic significance of QUBO encoding on quantum annealers
Emery Doucet, Zakaria Mzaouali, Reece Robertson +3
Quadratic unconstrained binary optimization (QUBO) is the standard interface to quantum annealers, yet a single constrained task admits many QUBO encodings whose penalty choices re…
On the Baltimore Light RailLink into the quantum future
Krzysztof Domino, Emery Doucet, Reece Robertson +2
In the current era of noisy intermediate-scale quantum (NISQ) technology, quantum devices present new avenues for addressing complex, real-world challenges including potentially NP…
Simon's Period Finding on a Quantum Annealer
Reece Robertson, Emery Doucet, Zakaria Mzaouali +3
Dating to 1994, Simon's period-finding algorithm is among the earliest and most fragile of quantum algorithms. The algorithm's fragility arises from the requirement that, to solve…