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20232026
most citedSparse Quantum State Preparation for Strongly Correlated Systems

21 citations · 46 across the 10 of their papers we have counts for

collaborators

10 papers

quant-ph2026

The Convergence Frontier: Integrating Machine Learning and High Performance Quantum Computing for Next-Generation Drug Discovery

Narjes Ansari, César Feniou, Nicolaï Gouraud +13

Integrating quantum mechanics into drug discovery marks a decisive shift from empirical trial-and-error toward quantitative precision. However, the prohibitive cost of ab initio mo…

quant-ph2026

Logarithmic-depth quantum state preparation of polynomials

Baptiste Claudon, Alexis Lucas, Jean-Philip Piquemal +2

Quantum state preparation is a central primitive in many quantum algorithms, yet it is generally resource intensive, with efficient constructions known only for structured families…

quant-ph2026

Experimental Realization of the Markov Chain Monte Carlo Algorithm on a Quantum Computer

Baptiste Claudon, Sergi Ramos-Calderer, Jean-Philip Piquemal

Quantum algorithms present a quadratically improved complexity over classical ones for certain sampling tasks. For instance, the Quantum Amplitude Estimation (QAE) algorithm promis…

quant-ph2025

Real-Space Chemistry on Quantum Computers: A Fault-Tolerant Algorithm with Adaptive Grids and Transcorrelated Extension

César Feniou, Christopher Cherfan, Julien Zylberman +3

First-quantized, real-space formulations of quantum chemistry on quantum computers are appealing: qubit count scales logarithmically with spatial resolution, and Coulomb operators…

quant-ph2025

Quantum Circuits for the Metropolis-Hastings Algorithm

Baptiste Claudon, Pablo Rodenas-Ruiz, Jean-Philip Piquemal +1

Szegedy's quantization of a reversible Markov chain provides a quantum walk whose spectral gap is quadratically larger than that of the classical walk. Quantum computers are theref…

quant-ph2025

Quantum Speedup for Nonreversible Markov Chains

Baptiste Claudon, Jean-Philip Piquemal, Pierre Monmarché

Quantum algorithms can potentially solve a handful of problems more efficiently than their classical counterparts. In that context, it has been discussed that Markov chains problem…

quant-ph2024

A simple algorithm to reflect through eigenspaces of unitaries

Baptiste Claudon

Reflections are omnipresent tools in quantum algorithms. We consider the task of reflecting through the eigenspace of an implementable unitary. Such reflections are generally desig…

quant-ph2023★ 19 cited

Polylogarithmic-depth controlled-NOT gates without ancilla qubits

Baptiste Claudon, Julien Zylberman, César Feniou +3

Controlled operations are fundamental building blocks of quantum algorithms. Decomposing -control-NOT gates () into arbitrary single-qubit and CNOT gates, is a crucial b…

quant-ph2023★ 21 cited

Sparse Quantum State Preparation for Strongly Correlated Systems

C. Feniou, O. Adjoua, B. Claudon +3

Quantum Computing allows, in principle, the encoding of the exponentially scaling many-electron wave function onto a linearly scaling qubit register, offering a promising solution…

quant-ph2023★ 6 cited

Greedy Gradient-free Adaptive Variational Quantum Algorithms on a Noisy Intermediate Scale Quantum Computer

César Feniou, Muhammad Hassan, Baptiste Claudon +4

Hybrid quantum-classical adaptive Variational Quantum Eigensolvers (VQE) hold the potential to outperform classical computing for simulating many-body quantum systems. However, pra…