6 citations · 34 across the 15 of their papers we have counts for
15 papers · 1 filter
(Almost) quadruply optimal unitary designs in 1D
Guoding Liu, Jonas Helsen
We construct -qubit approximate unitary -designs in 1D systems, achieving circuit depth with relative error and requiring $O(…
Can scrambling protect quantum state distinguishability under noise?
Guoding Liu, Chushi Qin, Zitai Xu +2
Quantum state distinguishability is a fundamental concept in quantum information science that underpins a wide range of important practical tasks. Traditionally formulated for pair…
Entanglement distillation based on Hamiltonian dynamics
Zitai Xu, Guoding Liu
Efficient entanglement distillation is a central task in quantum information science and future quantum networks. At the core of distillation protocols are the quantum error correc…
Benchmarking non-Clifford gates using only Pauli twirling group
Han Ye, Guoding Liu, Xiongfeng Ma
Quantum gate benchmarking is unavoidably influenced by state preparation and measurement errors. Randomized benchmarking addresses this challenge by employing group twirling to reg…
State complexity and phase identification in adaptive quantum circuits
Guoding Liu, Junjie Chen, Xiongfeng Ma
Adaptive quantum circuits, leveraging measurements and classical feedback, significantly expand the landscape of realizable quantum states compared to their non-adaptive counterpar…
Calibrating quantum gates up to 52 qubits in a superconducting processor
Daojin Fan, Guoding Liu, Shaowei Li +18
Benchmarking large-scale quantum gates, typically involving multiple native two-qubit and singlequbit gates, is crucial in quantum computing. Global fidelity, encompassing informat…
Approximate Quantum Error Correction with 1D Log-Depth Circuits
Guoding Liu, Zhenyu Du, Zi-Wen Liu +1
Efficient and high-performance quantum error correction is essential for achieving fault-tolerant quantum computing. Low-depth random circuits offer a promising approach to identif…
Optimizing Circuit Reusing and its Application in Randomized Benchmarking
Zhuo Chen, Guoding Liu, Xiongfeng Ma
Quantum learning tasks often leverage randomly sampled quantum circuits to characterize unknown systems. An efficient approach known as "circuit reusing," where each circuit is exe…
Advantage Distillation for Quantum Key Distribution
Zhenyu Du, Guoding Liu, Xingjian Zhang +1
Quantum key distribution promises information-theoretically secure communication, with data post-processing playing a vital role in extracting secure keys from raw data. While hard…
Unconditional quantum magic advantage in shallow circuit computation
Xingjian Zhang, Zhaokai Pan, Guoding Liu
Quantum theory promises computational speed-ups over classical approaches. The celebrated Gottesman-Knill Theorem implies that the full power of quantum computation resides in the…
Robust Estimation of Nonlinear Properties of Quantum Processes
Yuqing Wang, Guoding Liu, Zhenhuan Liu +3
Accurate and robust estimation of quantum process properties is crucial for quantum information processing and quantum many-body physics. Combining classical shadow tomography and…
Group twirling and noise tailoring for multi-qubit controlled phase gates
Guoding Liu, Ziyi Xie, Zitai Xu +1
Group twirling is crucial in quantum information processing, particularly in randomized benchmarking and random compiling. While protocols based on Pauli twirling have been effecti…
Realizing Non-Physical Actions through Hermitian-Preserving Map Exponentiation
Fuchuan Wei, Zhenhuan Liu, Guoding Liu +4
Quantum mechanics features a variety of distinct properties such as coherence and entanglement, which could be explored to showcase potential advantages over classical counterparts…
Classically Replaceable Operations
Guoding Liu, Xingjian Zhang, Xiongfeng Ma
Quantum information science provides powerful technologies beyond the scope of classical physics. In practice, accurate control of quantum operations is a challenging task with cur…
Scalable fast benchmarking for individual quantum gates with local twirling
Yihong Zhang, Wenjun Yu, Pei Zeng +2
With the development of controllable quantum systems, fast and practical characterization for multi-qubit gates is essential for building high-fidelity quantum computing devices. T…