A hybrid quantum algorithm to detect conical intersections
In this paper, the authors propose a hybrid quantum classical algorithm to resolve the conical intersections with the help of the Berry phase.
Koridon, E., Fraxanet, J., Dauphin, A., Visscher, L., O'Brien, T. E., and Polla, S., Quantum 8, 1259 (2024), DOI: 10.22331/q-2024-02-20-1259.
Amorphous quantum magnets in a two-dimensional Rydberg atom array
In this article, the authors propose to explore amorphous quantum magnets with an analog quantum simulator.
Julià-Farré, S., Vovrosh, J., & Dauphin, A. (2024). Phys. Rev. A 110, 012602. DOI: 10.1103/PhysRevA.110.012602.
Automated Reasoning in Quantum Circuit Compilation
This paper explains in a manner accessible to those unfamiliar with quantum computing concepts how prominent automated reasoning methods have found numerous applications in quantum circuit compilation.
Thanos, D. et al. (2025). In Model Checking Software. SPIN 2024. Lecture Notes in Computer Science, vol 14624. Springer, Cham. doi: 10.1007/978-3-031-66149-5_6
Efficient thermalization and universal quantum computing with quantum Gibbs samplers
In this paper, the authors prove that a recently introduced, efficiently implementable dissipative evolution thermalizes to the Gibbs state in time scaling polynomially with system size at high enough temperatures, and for any Hamiltonian that satisfies a Lieb-Robinson bound, such as local Hamiltonians on a lattice.
Rouzé, Cambyse, Daniel Stilck França, and Álvaro M. Alhambra. arXiv preprint. DOI: 10.48550/arXiv.2403.12691.
Enriching diagrams with algebraic operations
In this paper, the authors extend diagrammatic reasoning in monoidal categories with algebraic operations and equations.
Villoria, A., Basold, H., & Laarman, A. (2024). Lecture Notes in Computer Science, vol 14574. Springer, Cham. DOI: 10.1007/978-3-031-57228-9_7
Equivariant quantum circuits for learning on weighted graphs
In this work, we introduce an ansatz for learning tasks on weighted graphs that respects an important graph symmetry, namely equivariance under node permutations.
Skolik, A., Cattelan, M., Yarkoni, S., Bäck, T., & Dunjko, V. npj Quantum Inf 9, 47 (2023). DOI: 10.1038/s41534-023-00710-y.
First-principles analysis of the effect of magnetic states on the oxygen vacancy formation energy in doped La0.5 Sr0.5 CoO3 perovskite
This study employs first-principles calculations to systematically investigate the impact of 3d transition-metal doping on the oxygen vacancy formation energies in the La0.5Sr0.5CoO3 perovskite.
Wei, W., Fuchs, F., Zienert, A., Hu, X., & Schuster, J. (2025). arXiv:2507.07614.
Meson spectroscopy of exotic symmetries of Ising criticality in Rydberg atom arrays
This paper probes emergent symmetries in a Rydberg atom quantum processing unit, leveraging its tunable geometry to realize both chain and ladder configurations.
Vovrosh, J., de Hond, J., Julià-Farré, S., Knolle, J., & Dauphin, A. (2025). arXiv:2506.21299.
Multiple-basis representation of quantum states
This paper analyzes the expressivity of multiple-basis representation states depending on the classical simulability of their quantum circuits.
Pérez-Salinas, A., Emonts, P., Tura, J., & Dunjko, V. arXiv:2411.03110.
Noise-induced shallow circuits and absence of barren plateaus
In this paper, the authors study the impact of uncorrected noise on quantum circuits, starting by showing that any noise `truncates' most quantum circuits to effectively logarithmic depth, in the task of computing Pauli expectation values.
Mele, Antonio Anna, Armando Angrisani, Soumik Ghosh, Sumeet Khatri, Jens Eisert, Daniel Stilck França, and Yihui Quek. arXiv.2403.13927.
On the expressivity of embedding quantum kernels
In this paper, the authors raise the fundamental question: can all quantum kernels be expressed as the inner product of quantum feature states?
Gil-Fuster, E., Eisert, J., & Dunjko, V. (2023). Machine Learning: Science and Technology. DOI: 10.1088/2632-2153/ad2f51.
Optimal quantum algorithm for Gibbs state preparation
This paper proves a recently introduced dissipative evolution, at high enough temperatures, reaches the Gibbs state in time scaling logarithmically with system size.
Rouzé, C., França, D. S., & Alhambra, Á. M. (2024). arXiv:2411.04885.
Optimization and Synthesis of Quantum Circuits with Global Gates
This work uses global interactions, such as the Global Mølmer-Sørensen gate present in ion trap hardware, to optimize and synthesize quantum circuits.
Villoria, A., Basold, H., & Laarman, A. (2025). arXiv:2507.20694.
Optimization of Quantum Systems Emulation via a Variant of the Bandwidth Minimization Problem
This paper introduces weighted-BMP, a variant of the Bandwidth Minimization Problem (BMP), with a significant application in optimizing quantum emulation.
M. Y. Naghmouchi, J. Vovrosh, W. Da Silva Coelho and A. Dauphin, 2024 10th International Conference on Control, Decision and Information Technologies (CoDIT), Vallette, Malta, 2024, pp. 266-271, doi: 10.1109/CoDIT62066.2024.10708331.
PulserDiff: a pulse differentiable extension for Pulser
This paper introduces PulserDiff, a user-friendly and open-source Pulser extension designed to optimize pulse sequences over a well-defined set of control parameters that drive the quantum computation.
Abramavicius, V., Mathé, M., Velikova, G. V., Moutinho, J. P., Dagrada, M., Elfving, V. E., ... & Guichard, R. (2025). arXiv:2505.16744.
Quantized Thouless pumps protected by interactions in dimerized Rydberg tweezer arrays
In this paper, the authors study Thouless pumps, i.e., adiabatic topological transport, in an interacting spin chain described by the dimerized XXZ Hamiltonian.
Julià-Farré, S., Argüello-Luengo, J., Henriet, L., & Dauphin, A. (2024). Phys. Rev. A 110, 023328. DOI: 10.1103/PhysRevA.110.023328.
Shallow quantum circuits for deeper problems
This work investigates to what extent it is possible to mimic the performance of a deeper quantum computation by using a shallower device many times.
Pérez-Salinas, A., Draškić, R., Tura, J., and Dunjko, V., Phys. Rev. A 108, 062423. DOI: 10.1103/PhysRevA.108.062423.
Spin-glass quantum phase transition in amorphous arrays of Rydberg atoms
This paper performs unbiased quantum Monte Carlo simulations of the ground state of quantum Ising models for amorphous arrays of Rydberg atoms.
Brodoloni, L., Vovrosh, J., Julià-Farré, S., Dauphin, A., & Pilati, S. (2025). arXiv:2505.05117.
The role of data-induced randomness in quantum machine learning classification tasks
This work introduces a metric for binary classification tasks, the class margin, by merging the concepts of average randomness and classification margin.
Casas, B., Bonet-Monroig, X., & Pérez-Salinas, A. (2024). arXiv:2411.19281.
Variational protocols for emulating digital gates using analog control with always-on interactions
In this paper, the authors design variational pulse sequences tailored for neutral atom quantum simulators and show that we can engineer layers of single-qubit and multi-qubit gates.
Chevallier, C., Vovrosh, J., de Hond, J., Dagrada, M., Dauphin, A., & Elfving, V. E. (2024). Phys. Rev. A 109, 062604. DOI: 10.1103/PhysRevA.109.062604.
