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20202026
most citedTopological quantum critical points in the extended Bose-Hubbard model

50 citations · 144 across the 13 of their papers we have counts for

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8 papers · 1 filter

quant-ph2026

Utility-scale quantum experiments using dynamic circuits to address collective dissipation in interacting qubits

Benjamin Tirado, Joana Fraxanet, Adrián Juan-Delgado +2

Open quantum systems are central to quantum optics, condensed matter, and chemistry, yet their simulation remains challenging for both classical and near-term quantum hardware. In…

quant-ph2026

Noise mitigation of quantum observables via learning from Hamiltonian symmetry decays

Javier Oliva del Moral, Olatz Sanz Larrarte, Joana Fraxanet +2

We present a new quantum error mitigation technique (QEM), called GUiding Extrapolations from Symmetry decayS (GUESS), which exploits Hamiltonian symmetries to improve accuracy of…

quant-ph2025

Variational Quantum Eigensolver for Real-World Finance: Scalable Solutions for Dynamic Portfolio Optimization Problems

Irene De León, Danel Arias, Manuel Martín-Cordero +9

We present a scalable, hardware-aware methodology for extending the Variational Quantum Eigensolver (VQE) to large, realistic Dynamic Portfolio Optimization (DPO) problems. Buildin…

quant-ph2025

Real-Time Dynamics in a (2+1)-D Gauge Theory: The Stringy Nature on a Superconducting Quantum Simulator

Jesús Cobos, Joana Fraxanet, César Benito +7

Understanding the confinement mechanism in gauge theories and the universality of effective string-like descriptions of gauge flux tubes remains a fundamental challenge in modern p…

quant-ph2025

Geometrical frustration, power law tunneling and non-local gauge fields from scattered light

Pavel P. Popov, Joana Fraxanet, Luca Barbiero +1

Designing the amplitude and range of couplings in quantum systems is a fundamental tool for exploring a large variety of quantum mechanical effects. Here, we consider off-resonant…

quant-ph2023★ 10 cited

A hybrid quantum algorithm to detect conical intersections

Emiel Koridon, Joana Fraxanet, Alexandre Dauphin +3

Conical intersections are topologically protected crossings between the potential energy surfaces of a molecular Hamiltonian, known to play an important role in chemical processes…

quant-ph2022★ 8 cited

The Coming Decades of Quantum Simulation

Joana Fraxanet, Tymoteusz Salamon, Maciej Lewenstein

Contemporary quantum technologies face major difficulties in fault tolerant quantum computing with error correction, and focus instead on various shades of quantum simulation (Nois…

quant-ph2021★ 38 cited

Variational Quantum Anomaly Detection: Unsupervised mapping of phase diagrams on a physical quantum computer

Korbinian Kottmann, Friederike Metz, Joana Fraxanet +1

One of the most promising applications of quantum computing is simulating quantum many-body systems. However, there is still a need for methods to efficiently investigate these sys…