9 papers
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…
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…
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…