142 citations · 611 across the 26 of their papers we have counts for
27 papers
A Quantum Dynamics Tutorial: Visualising Dynamical Decoupling Sequences on the Bloch Sphere
Charlie J. Patrickson, Isaac Bailey, Antonio Orazzo +2
Dynamical decoupling protocols provide a versatile toolbox for robust control of quantum systems, suppressing noise that would otherwise limit their performance. This tutorial aims…
Attention-based optimizer for symmetry finding
Shreya Banerjee, Vinodh Raj Rajagopal Muthu, Charlie Nation +5
Finding symmetries is crucial for understanding physical models. In this work, we present an optimization framework that searches Pauli symmetries of Hamiltonians, merging the fiel…
Graph automorphisms to obtain Clifford symmetries in open and closed qudit models
Charlie Nation, Rick P. A. Simon, Shreya Banerjee +4
In the recent article [arXiv:2605.18966], we demonstrated that finding Clifford symmetries can be mapped to a Graph Automorphism (GA) problem. Here, we provide an algorithm to obta…
Clifford symmetries in quantum many-body systems
Charlie Nation, Rick P. A. Simon, Shreya Banerjee +4
Obtaining the symmetries of a model is a critical step towards developing an understanding and ultimately analytically or numerically solving the model. However, finding symmetries…
An Error-aware and Adaptive Method for the Estimation of Quantum Observables on Qudit-Based Quantum Computers
Rick P. A. Simon, Michael Meth, Francesco Martini +4
The accurate estimation of observables is a crucial task in quantum computing. Recent advances have highlighted the need for (a) specialized protocols for qudit-based devices, that…
Self-Configuring Quantum Networks with Superposition of Trajectories
Albie Chan, Zheng Shi, Jorge Miguel-Ramiro +3
Quantum networks are a backbone of future quantum technologies thanks to their role in communication and scalable quantum computing. However, their performance is challenged by noi…
Enhanced measurements on quantum computers via the simultaneous probing of non-commuting Pauli operators
Rick P. A. Simon, Zheng Shi, Charlie Nation +2
Measuring the state of quantum computers is a highly non-trivial task, with implications for virtually all quantum algorithms. A promising avenue is multi-copy schemes, where ident…
Securities Transaction Settlement Optimization on superconducting quantum devices
Francesco Martini, Daniele Lizzio Bosco, Carlo Barbanera +7
We describe a quantum variational algorithm for securities transactions settlement optimization, based on a novel mathematical formalization of the problem that includes the most r…
Generating graph states with a single quantum emitter and the minimum number of fusions
Matthias C. Löbl, Love A. Pettersson, Andrew Jena +3
Graph states are the key resources for measurement- and fusion-based quantum computing with photons, yet their creation is experimentally challenging. We optimize a hybrid graph-st…
qLUE: A Quantum Clustering Algorithm for Multi- Dimensional Datasets
Dhruv Gopalakrishnan, Luca Dellantonio, Antonio Di Pilato +3
Clustering algorithms are at the basis of several technological applications, and are fueling the development of rapidly evolving fields such as machine learning. In the recent pas…
Fast storage of photons in cavity-assisted quantum memories
Johann S. Kollath-Bönig, Luca Dellantonio, Luigi Giannelli +3
Ideal photonic quantum memories can store arbitrary pulses of light with unit efficiency. This requires operating in the adiabatic regime, where pulses have a duration much longer…
A square-root speedup for finding the smallest eigenvalue
Alex Kerzner, Vlad Gheorghiu, Michele Mosca +4
We describe a quantum algorithm for finding the smallest eigenvalue of a Hermitian matrix. This algorithm combines Quantum Phase Estimation and Quantum Amplitude Estimation to achi…
Simulating 2D lattice gauge theories on a qudit quantum computer
Michael Meth, Jan F. Haase, Jinglei Zhang +11
Particle physics underpins our understanding of the world at a fundamental level by describing the interplay of matter and forces through gauge theories. Yet, despite their unmatch…
Minimal qubit representations of Hamiltonians via conserved charges
Lane G. Gunderman, Andrew J. Jena, Luca Dellantonio
In the last years, we have been witnessing a tremendous push to demonstrate that quantum computers can solve classically intractable problems. This effort, initially focused on the…
Measurement-based infused circuits for variational quantum eigensolvers
Albie Chan, Zheng Shi, Luca Dellantonio +2
Variational quantum eigensolvers (VQEs) are successful algorithms for studying physical systems on quantum computers. Recently, they were extended to the measurement-based model of…
Enhancing Quantum Computation via Superposition of Quantum Gates
Jorge Miguel-Ramiro, Zheng Shi, Luca Dellantonio +3
Overcoming the influence of noise and imperfections in quantum devices is one of the main challenges for viable quantum applications. In this article, we present different protocol…
Superposed Quantum Error Mitigation
Jorge Miguel-Ramiro, Zheng Shi, Luca Dellantonio +3
Overcoming the influence of noise and imperfections is a major challenge in quantum computing. Here, we present an approach based on applying a desired unitary computation in super…
3+1D -Term on the Lattice from the Hamiltonian Perspective
Angus Kan, Lena Funcke, Stefan Kühn +5
Quantum and tensor network simulations have emerged as prominent sign-problem free approaches to lattice gauge theories. Unlike conventional Markov chain Monte Carlo methods, they…
Adaptive estimation of quantum observables
Ariel Shlosberg, Andrew J. Jena, Priyanka Mukhopadhyay +3
The accurate estimation of quantum observables is a critical task in science. With progress on the hardware, measuring a quantum system will become increasingly demanding, particul…
Investigating a (3+1)D Topological -Term in the Hamiltonian Formulation of Lattice Gauge Theories for Quantum and Classical Simulations
Angus Kan, Lena Funcke, Stefan Kühn +5
Quantum technologies offer the prospect to efficiently simulate sign-problem afflicted regimes in lattice field theory, such as the presence of topological terms, chemical potentia…
Quantum manipulation of a two-level mechanical system
Salvatore Chiavazzo, Anders Søndberg Sørensen, Oleksandr Kyriienko +1
We consider a nonlinearly coupled electromechanical system, and develop a quantitative theory for two-phonon cooling. In the presence of two-phonon cooling, the mechanical Hilbert…
A measurement-based variational quantum eigensolver
Ryan R. Ferguson, Luca Dellantonio, Karl Jansen +3
Variational quantum eigensolvers (VQEs) combine classical optimization with efficient cost function evaluations on quantum computers. We propose a new approach to VQEs using the pr…
Towards simulating 2D effects in lattice gauge theories on a quantum computer
Danny Paulson, Luca Dellantonio, Jan F. Haase +8
Gauge theories are the most successful theories for describing nature at its fundamental level, but obtaining analytical or numerical solutions often remains a challenge. We propos…
A resource efficient approach for quantum and classical simulations of gauge theories in particle physics
Jan F. Haase, Luca Dellantonio, Alessio Celi +4
Gauge theories establish the standard model of particle physics, and lattice gauge theory (LGT) calculations employing Markov Chain Monte Carlo (MCMC) methods have been pivotal in…