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20212026
most citedScalable error mitigation for noisy quantum circuits produces competitive expectation values

211 citations · 475 across the 11 of their papers we have counts for

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quant-ph2026

Observable Estimation in the Absence of Classical Verification

Samantha V. Barron, Bradley Mitchell, Vinay Tripathi +45

The predictive success of quantum mechanics underpins many areas of modern science, even as the exact simulation of large, interacting quantum systems remains beyond the reach of c…

quant-ph2026

Constant-Depth Multi-Product Formula for Trotter Error Mitigation in Near-Term Digital Quantum Simulation

Chan Bin Bark, Sangjin Lee, Kwang Jun Ahn +3

Digital quantum simulation of many-body dynamics faces a tension between algorithmic Trotter error and physical noise that accumulates with circuit depth. Typical higher-order prod…

quant-ph2025

Disambiguating Pauli noise in quantum computers

Edward H. Chen, Senrui Chen, Laurin E. Fischer +7

To successfully perform quantum computations, it is often necessary to first accurately characterize the noise in the underlying hardware. However, it is well known that fundamenta…

quant-ph2025

Trotter error mitigation by error profiling with shallow quantum circuit

Sangjin Lee, Youngseok Kim, Seung-Woo Lee

Understanding the dynamics of quantum systems is crucial in many areas of physics, but simulating many-body systems presents significant challenges due to the large Hilbert space t…

quant-ph2025★ 1 cited

Improved Quantum Computation using Operator Backpropagation

Bryce Fuller, Minh C. Tran, Danylo Lykov +10

Decoherence of quantum hardware is currently limiting its practical applications. At the same time, classical algorithms for simulating quantum circuits have progressed substantial…

quant-ph2024★ 15 cited

Dynamical simulations of many-body quantum chaos on a quantum computer

Laurin E. Fischer, Matea Leahy, Andrew Eddins +16

Quantum circuits with local unitaries have emerged as a rich playground for the exploration of many-body quantum dynamics of discrete-time systems. While the intrinsic locality mak…

quant-ph2024★ 2 cited

Error mitigation with stabilized noise in superconducting quantum processors

Youngseok Kim, Luke C. G. Govia, Andrew Dane +10

Pre-fault tolerant quantum computers have already demonstrated the ability to estimate observable values accurately, at a scale beyond brute-force classical computation. This has b…

quant-ph2022★ 100 cited

Matching and maximum likelihood decoding of a multi-round subsystem quantum error correction experiment

Neereja Sundaresan, Theodore J. Yoder, Youngseok Kim +7

Quantum error correction offers a promising path for performing quantum computations with low errors. Although a fully fault-tolerant execution of a quantum algorithm remains unrea…

quant-ph2021★ 83 cited

Calibrated decoders for experimental quantum error correction

Edward H. Chen, Theodore J. Yoder, Youngseok Kim +6

Arbitrarily long quantum computations require quantum memories that can be repeatedly measured without being corrupted. Here, we preserve the state of a quantum memory, notably wit…

quant-ph2021★ 211 cited

Scalable error mitigation for noisy quantum circuits produces competitive expectation values

Youngseok Kim, Christopher J. Wood, Theodore J. Yoder +4

Noise in existing quantum processors only enables an approximation to ideal quantum computation. However, these approximations can be vastly improved by error mitigation, for the c…

quant-ph2021★ 63 cited

Covariant quantum kernels for data with group structure

Jennifer R. Glick, Tanvi P. Gujarati, Antonio D. Corcoles +4

The use of kernel functions is a common technique to extract important features from data sets. A quantum computer can be used to estimate kernel entries as transition amplitudes o…