activity
20212026
most citedEmergent Potts Order in a Coupled Hexatic-Nematic XY model

19 citations · 56 across the 10 of their papers we have counts for

collaborators

13 papers

cs.CC2026

Separating comb inequalities is NP-hard

Yohan Finet, Victor Drouin-Touchette

Comb inequalities are important cutting planes for the symmetric travelling salesman problem, yet the complexity of their exact separation has remained a longstanding question in p…

quant-ph2026

Interaction-Aware Embedding Optimization for Neutral-Atom Quantum Processors

Clément de Terrasson de Montleau, Victor Drouin-Touchette, Wesley Coelho

Neutral atom-based quantum computers have the ability to dynamically reshape the qubit register geometry between experimental runs. This capability enables different types of probl…

quant-ph2026

Quantum-Assisted Optimization Guided by Machine-Learned Risk Maps for Aerial Surveillance Routing

Dorian Lauwerier, Alexis Vieloszynski, Yves Bérubé-Lauzière +1

Analog quantum computing with neutral atom computers is rapidly evolving into a promising way to perform combinatorial optimization tasks at scale. As technology matures, exploring…

quant-ph2026

Quantum-enhanced Monte Carlo Tree Search framework for combinatorial optimization problems

Yohan Finet, Yves Bérubé-Lauzière, Victor Drouin-Touchette

Over the past decades, the operations research community has developed numerous effective optimization algorithms, yet quantum computing is emerging as a new computational paradigm…

quant-ph2026

Iterative Optimization with Partial Convergence Guarantees on Neutral Atom Quantum Computers

Cédrick Perron, Yves Bérubé-Lauzière, Victor Drouin-Touchette

Neutral atom quantum computers (NAQCs) have emerged as a promising platform for solving the maximum weighted independent set (MWIS) problem. However, analog quantum approaches face…

quant-ph2025

Leveraging Analog Neutral Atom Quantum Computers for Diversified Pricing in Hybrid Column Generation Frameworks

Cédrick Perron, Yves Bérubé-Lauzière, Victor Drouin-Touchette

In this work, we develop new pulse designs and embedding strategies to improve the analog quantum subroutines of hybrid column generation (CG) algorithms based on neutral-atoms qua…

cond-mat.str-el2025

Concentration-Free Quantum Kernel Learning in the Rydberg Blockade

Ayana Sarkar, Martin Schnee, Sangeeth Das Kallullathil +4

Quantum kernel methods (QKMs) offer an appealing framework for machine learning on near-term quantum computers. However, QKMs generically suffer from exponential concentration, req…

quant-ph2025

Quantum Counting in the Rydberg Blockade

Joseph Gibson, Victor Drouin-Touchette, Stefanos Kourtis

We propose a quantum algorithm for approximately counting the number of solutions to planar 2-satisfiability (2SAT) formulas natively on neutral-atom quantum computers (NAQC). Our…

cond-mat.stat-mech2023★ 14 cited

Simulating the Transverse Field Ising Model on the Kagome Lattice using a Programmable Quantum Annealer

Pratyankara Narasimhan, Stephan Humeniuk, Ananda Roy +1

The presence of competing interactions due to geometry leads to frustration in quantum spin models. As a consequence, the ground state of such systems often displays a large degene…

cond-mat.stat-mech2022★ 3 cited

The Kosterlitz-Thouless phase transition: an introduction for the intrepid student

Victor Drouin-Touchette

This is a set of notes recalling some of the most important results on the XY model from the ground up. They are meant for a junior researcher wanting to get accustomed to the Kost…

cond-mat.str-el2022★ 6 cited

Interplay of charge and spin fluctuations in a Hund's coupled impurity

Victor Drouin-Touchette, Elio J. König, Yashar Komijani +1

In Hund's metals, the local ferromagnetic interaction between orbitals leads to an emergence of complex electronic states with large and slowly fluctuating magnetic moments. Introd…

cond-mat.stat-mech2021★ 19 cited

Emergent Potts Order in a Coupled Hexatic-Nematic XY model

Victor Drouin-Touchette, Peter P. Orth, Piers Coleman +2

Addressing the nature of an unexpected smectic-A' phase in liquid crystal 54COOBC films, we perform large scale Monte Carlo simulations of a coupled hexatic-nematic XY model. The r…

cond-mat.str-el2021★ 14 cited

Emergent moments in a Hund's impurity

Victor Drouin-Touchette, Elio J. König, Yashar Komijani +1

Motivated by the relevance of Hund's coupling in the context of multiorbital superconductors, we revisit the problem of a multiorbital Kondo impurity with Hund's interaction. Using…