activity
20142025
most citedSuppressing quantum errors by scaling a surface code logical qubit

1.1k citations · 3.8k across the 36 of their papers we have counts for

collaborators

36 papers

quant-ph2025

Constructive interference at the edge of quantum ergodic dynamics

Dmitry A. Abanin, Rajeev Acharya, Laleh Aghababaie-Beni +262

Quantum observables in the form of few-point correlators are the key to characterizing the dynamics of quantum many-body systems. In dynamics with fast entanglement generation, qua…

quant-ph2024★ 4 cited

Expressing and Analyzing Quantum Algorithms with Qualtran

Matthew P. Harrigan, Tanuj Khattar, Charles Yuan +5

Quantum computing's transition from theory to reality has spurred the need for novel software tools to manage the increasing complexity, sophistication, toil, and fallibility of qu…

quant-ph2024★ 702 cited

Quantum error correction below the surface code threshold

Rajeev Acharya, Laleh Aghababaie-Beni, Igor Aleiner +246

Quantum error correction provides a path to reach practical quantum computing by combining multiple physical qubits into a logical qubit, where the logical error rate is suppressed…

physics.chem-ph2024★ 13 cited

Improved modularity and new features in ipie: Toward even larger AFQMC calculations on CPUs and GPUs at zero and finite temperatures

Tong Jiang, Moritz K. A. Baumgarten, Pierre-François Loos +6

ipie is a Python-based auxiliary-field quantum Monte Carlo (AFQMC) package that has undergone substantial improvements since its initial release [J. Chem. Theory Comput., 2023, 19(…

quant-ph2023★ 26 cited

Quantum computation of stopping power for inertial fusion target design

Nicholas C. Rubin, Dominic W. Berry, Alina Kononov +7

Stopping power is the rate at which a material absorbs the kinetic energy of a charged particle passing through it -- one of many properties needed over a wide range of thermodynam…

quant-ph2023★ 99 cited

Stable Quantum-Correlated Many Body States through Engineered Dissipation

X. Mi, A. A. Michailidis, S. Shabani +164

Engineered dissipative reservoirs have the potential to steer many-body quantum systems toward correlated steady states useful for quantum simulation of high-temperature supercondu…

quant-ph2023★ 110 cited

Phase transition in Random Circuit Sampling

A. Morvan, B. Villalonga, X. Mi +182

Undesired coupling to the surrounding environment destroys long-range correlations on quantum processors and hinders the coherent evolution in the nominally available computational…

quant-ph2023★ 183 cited

Measurement-induced entanglement and teleportation on a noisy quantum processor

Jesse C. Hoke, Matteo Ippoliti, Eliott Rosenberg +160

Measurement has a special role in quantum theory: by collapsing the wavefunction it can enable phenomena such as teleportation and thereby alter the "arrow of time" that constrains…

quant-ph2023★ 34 cited

Fault-tolerant quantum simulation of materials using Bloch orbitals

Nicholas C. Rubin, Dominic W. Berry, Fionn D. Malone +8

The simulation of chemistry is among the most promising applications of quantum computing. However, most prior work exploring algorithms for block-encoding, time-evolving, and samp…

quant-ph2022★ 69 cited

Purification-based quantum error mitigation of pair-correlated electron simulations

T. E. O'Brien, G. Anselmetti, F. Gkritsis +173

An important measure of the development of quantum computing platforms has been the simulation of increasingly complex physical systems. Prior to fault-tolerant quantum computing,…

quant-ph2022★ 14 cited

Non-Abelian braiding of graph vertices in a superconducting processor

Trond I. Andersen, Yuri D. Lensky, Kostyantyn Kechedzhi +166

Indistinguishability of particles is a fundamental principle of quantum mechanics. For all elementary and quasiparticles observed to date - including fermions, bosons, and Abelian…

physics.chem-ph2022

ipie: A Python-based Auxiliary-Field Quantum Monte Carlo Program with Flexibility and Efficiency on CPUs and GPUs

Fionn D. Malone, Ankit Mahajan, James S. Spencer +1

We report the development of a python-based auxiliary-field quantum Monte Carlo (AFQMC) program, ipie, with preliminary timing benchmarks and new AFQMC results on the isomerization…

quant-ph2022★ 4 cited

Response to "Exponential challenges in unbiasing quantum Monte Carlo algorithms with quantum computers"

Joonho Lee, David R. Reichman, Ryan Babbush +4

A recent preprint by Mazzola and Carleo numerically investigates exponential challenges that can arise for the QC-QMC algorithm introduced in our work, "Unbiasing fermionic quantum…

quant-ph2022★ 1.1k cited

Suppressing quantum errors by scaling a surface code logical qubit

Rajeev Acharya, Igor Aleiner, Richard Allen +154

Practical quantum computing will require error rates that are well below what is achievable with physical qubits. Quantum error correction offers a path to algorithmically-relevant…

quant-ph2022★ 2 cited

Interaction Energies on Noisy Intermediate-Scale Quantum Computers

Matthias Loipersberger, Fionn D. Malone, Alicia R. Welden +7

The computation of interaction energies on noisy intermediate-scale quantum (NISQ) computers appears to be challenging with straightforward application of existing quantum algorith…

quant-ph2021★ 1 cited

Towards the Simulation of Large Scale Protein-Ligand Interactions on NISQ-era Quantum Computers

Fionn D. Malone, Robert M. Parrish, Alicia R. Welden +6

We explore the use of symmetry-adapted perturbation theory (SAPT) as a simple and efficient means to compute interaction energies between large molecular systems with a hybrid meth…

physics.chem-ph2021★ 16 cited

Spectral Functions from Auxiliary-Field Quantum Monte Carlo without Analytic Continuation: The Extended Koopmans' Theorem Approach

Joonho Lee, Fionn D. Malone, Miguel A. Morales +1

We explore the extended Koopmans' theorem (EKT) within the phaseless auxiliary-field quantum Monte Carlo (AFQMC) method. The EKT allows for the direct calculation of electron addit…

physics.chem-ph2020★ 54 cited

A Phaseless Auxiliary-Field Quantum Monte Carlo Perspective on the Uniform Electron Gas at Finite Temperatures: Issues, Observations, and Benchmark Study

Joonho Lee, Miguel A. Morales, Fionn D. Malone

We investigate the viability of the phaseless finite temperature auxiliary field quantum Monte Carlo (ph-FT-AFQMC) method for ab initio systems using the uniform electron gas as a…

physics.chem-ph2020★ 29 cited

The performance of phaseless auxiliary-field quantum Monte Carlo on the ground state electronic energy of benzene

Joonho Lee, Fionn D. Malone, David R. Reichman

The ground state electronic energy of benzene is the focus of a recent blind test by Eriksen and co-workers [arXiv:2008.02678]. In this note, we report the phaseless auxiliary-fiel…

physics.chem-ph2020★ 13 cited

Accelerating the Convergence of Auxiliary-Field Quantum Monte Carlo inSolids with Optimized Gaussian Basis Sets

Miguel A. Morales, Fionn D. Malone

We investigate the use of optimized correlation consistent gaussian basis sets for the study of insulating solids with auxiliary-field quantum Monte Carlo (AFQMC). The exponents of…

physics.comp-ph2020★ 28 cited

Systematic Comparison and Cross-validation of Fixed-Node Diffusion Monte Carlo and Phaseless Auxiliary-Field Quantum Monte Carlo in Solids

Fionn D. Malone, Anouar Benali, Miguel A. Morales +3

Quantum Monte Carlo (QMC) methods are some of the most accurate methods for simulating correlated electronic systems. We investigate the compatibility, strengths and weaknesses of…

physics.comp-ph2020★ 35 cited

Accelerating Auxiliary-Field Quantum Monte Carlo Simulations of Solids with Graphical Processing Unit

Fionn D. Malone, Shuai Zhang, Miguel A. Morales

We outline how auxiliary-field quantum Monte Carlo (AFQMC) can leverage graphical processing units (GPUs) to accelerate the simulation of solid state sytems. By exploiting conserva…

physics.comp-ph2020★ 146 cited

QMCPACK: Advances in the development, efficiency, and application of auxiliary field and real-space variational and diffusion Quantum Monte Carlo

P. R. C. Kent, Abdulgani Annaberdiyev, Anouar Benali +21

We review recent advances in the capabilities of the open source ab initio Quantum Monte Carlo (QMC) package QMCPACK and the workflow tool Nexus used for greater efficiency and rep…

physics.chem-ph2020★ 46 cited

Utilizing Essential Symmetry Breaking in Auxiliary-Field Quantum Monte Carlo: Application to the Spin Gaps of the C Fullerene and an Iron Porphyrin Model Complex

Joonho Lee, Fionn D. Malone, Miguel A. Morales

We present three distinct examples where phaseless auxiliary-field Quantum Monte Carlo (ph-AFQMC) can be reliably performed with a single-determinant trial wavefunction with essent…