Publications

You can also find my articles on my Google Scholar profile.

2026

High-rate qLDPC processors.
Aditya Bhardwaj, Muzhou Ma, Nadine Meister, Robbie King, Dolev Bluvstein, John Preskill, Madelyn Cain, Q. X., Hsin-Yuan Huang.
arXiv:2607.28795 (2026).

Logical computation with canonical lifted product codes.
Han Zheng, Guo Zheng, Liang Jiang, Q. X.
arXiv:2607.28605 (2026).

Shor’s algorithm is possible with as few as 10,000 reconfigurable atomic qubits.
Madelyn Cain, Q. X., Robbie King, Lewis R. B. Picard, Harry Levine, Manuel Endres, John Preskill, Hsin-Yuan Huang, Dolev Bluvstein.
arXiv:2603.28627 (2026).

QGPU: Parallel logic in quantum LDPC codes.
Boren Gu, Andy Zeyi Liu, Armanda O. Quintavalle, Q. X., Jens Eisert, Joschka Roffe.
arXiv:2603.05398 (2026).

Achieving the Heisenberg limit using fault-tolerant quantum error correction.
Himanshu Sahu, Q. X., Sisi Zhou.
arXiv:2601.05457 (2026).

2025

Error-structure-tailored early fault-tolerant quantum computing.
Pei Zeng, Guo Zheng, Q. X., Liang Jiang.
arXiv:2511.19983 (2025).

High-Rate Surgery: towards constant-overhead logical operations.
Guo Zheng, Liang Jiang, Q. X.
arXiv:2510.08523 (2025).

Transversal dimension jump for product qLDPC codes.
Christine Li, John Preskill, Q. X.
arXiv:2510.07269 (2025). [Unitary Foundation talk].

Batched high-rate logical operations for quantum LDPC codes.
Q. X., Hengyun Zhou, Dolev Bluvstein, Madelyn Cain, Marcin Kalinowski, John Preskill, Mikhail D. Lukin, Nishad Maskara.
arXiv:2510.06159 (2025). [QIP 2026]. [QEC26].

Constant-Overhead Fault-Tolerant Bell-Pair Distillation using High-Rate Codes.
J. Pablo Bonilla Ataides, Hengyun Zhou, Q. X., Gefen Baranes, Bikun Li, Mikhail D. Lukin, Liang Jiang.
Phys. Rev. Lett. 135, 130804 (2025).

Dark spin-cats as biased qubits.
Andreas Kruckenhauser, Ming Yuan, Han Zheng, Mikhail Mamaev, Pei Zeng, Xuanhui Mao, Q. X., Torsten V. Zache, Liang Jiang, Rick van Bijnen, Peter Zoller.
Phys. Rev. Lett. 135, 020601 (2025).

Fast and Parallelizable Logical Computation with Homological Product Codes.
Q. X., Hengyun Zhou, Guo Zheng, Dolev Bluvstein, J. Pablo Bonilla Ataides, Mikhail D. Lukin, Liang Jiang.
Phys. Rev. X 15, 021065 (2025). [QIP 2025]. [APS Global Physics Summit (invited)].

2024

Optimized four-qubit quantum error correcting code for amplitude damping channel.
Xuanhui Mao, Q. X., Liang Jiang.
arXiv:2411.12952 (2024).

Fault-Tolerant Operation of Bosonic Qubits with Discrete-Variable Ancillae.
Q. X., Pei Zeng, Daohong Xu, Liang Jiang.
Phys. Rev. X 14, 031016 (2024). [QEC23].

Constant-Overhead Fault-Tolerant Quantum Computation with Reconfigurable Atom Arrays.
Q. X., J. Pablo Bonilla Ataides, Christopher A. Pattison, Nithin Raveendran, Dolev Bluvstein, Jonathan Wurtz, Bane Vasic, Mikhail D. Lukin, Liang Jiang, Hengyun Zhou.
Nat. Phys. (2024). [QIP 2024]. [QEC23]. [Quanta Magazine article].

2023

Autonomous quantum error correction and fault-tolerant quantum computation with squeezed cat qubits.
Q. X., Guo Zheng, Yu-Xin Wang, Peter Zoller, Aashish A. Clerk, Liang Jiang.
npj Quantum Inf. 9, 78 (2023).

2022

Construction of Bias-preserving Operations for Pair-cat Code.
Ming Yuan, Q. X., Liang Jiang.
Phys. Rev. A 106, 062422 (2022).

Quantum Capacity and Codes for the Bosonic Loss-Dephasing Channel.
Peter Leviant, Q. X., Liang Jiang, Serge Rosenblum.
Quantum 6, 821 (2022).

Distributed Quantum Error Correction for Chip-Level Catastrophic Errors.
Q. X., Alireza Seif, Haoxiong Yan, Nam Mannucci, Bernard Ousmane Sane, Rodney Van Meter, Andrew N. Cleland, Liang Jiang.
Phys. Rev. Lett. 129, 240502 (2022).

Tailored XZZX Codes for Biased Noise.
Q. X., Nam Mannucci, Alireza Seif, Aleksander Kubica, Steven T. Flammia, Liang Jiang.
Phys. Rev. Research 5, 013035 (2022).

Stabilizing a Bosonic Qubit Using Colored Dissipation.
Harald Putterman, Joseph Iverson, Q. X., Liang Jiang, Oskar Painter, Fernando G.S.L. Brandão, Kyungjoo Noh.
Phys. Rev. Lett. 128, 110502 (2022). [US Patent].

Engineering Kerr-Cat Qubits for Hardware-Efficient Quantum Error Correction.
Q. X., Harald Putterman, Joseph Iverson, Kyungjoo Noh, Oskar Painter, Fernando G.S.L. Brandão, Liang Jiang.
Quantum Computing, Communication, and Simulation II, SPIE 12015 (2022).

Engineering Fast Bias-Preserving Gates on Stabilized Cat Qubits.
Q. X., Joseph Iverson, Fernando G.S.L. Brandão, Liang Jiang.
Phys. Rev. Research 4, 013082 (2022). [US Patent].

2021

Quantum Repeaters Based on Concatenated Bosonic and Discrete-Variable Quantum Codes.
Filip Rozpędek, Kyungjoo Noh, Q. X., Saikat Guha, Liang Jiang.
npj Quantum Information 7, 102 (2021).

2019

Quantum Wave–Particle Superposition in a Delayed-Choice Experiment.
Kai Wang, Q. X., Shining Zhu, Xiaosong Ma.
Nature Photonics 13, 872–877 (2019).