From the 1 of 11 linked papers with an AI index.
11 papers
Efficient Lindbladian Learning from Constant-Time Pauli Responses
Jiaxing Song, Yukun Zhang, Xiao Yuan +1
The paper presents efficient methods for learning the generator (Lindbladian) of open many‑body quantum systems from short‑time local Pauli response data, resolving coherent‑dissip…
Simultaneous Estimation of Partial-Transpose Moments with Active Memory Independent of the Moment Order
Junxiang Huang, Xiaoyang Wang, Xiao Yuan +1
We study the simultaneous estimation of partial-transpose moments , , of an unknown bipartite -qubit state from indepe…
Efficient Noisy Quantum State and Process Tomography
Chenyang Li, Shengxin Zhuang, Yukun Zhang +4
Efficiently characterizing large quantum states and processes is a central yet notoriously challenging task in quantum information science, as conventional tomography methods typic…
Obtaining Accurate Ground-State Properties on Near-term Quantum Devices
Qi-Ming Ding, Jiawei Peng, Junxiang Huang +6
Accurate ground-state calculations on noisy quantum computers are fundamentally limited by restricted ansatz expressivity and unavoidable hardware errors. We introduce a hybrid-qua…
Heisenberg-Limited Quantum Eigenvalue Estimation for Non-normal Matrices
Yukun Zhang, Yusen Wu, Xiao Yuan
Estimating the eigenvalues of non-normal matrices is a foundational problem with far-reaching implications, from modeling non-Hermitian quantum systems to analyzing complex fluid d…
Exponential quantum advantages for practical non-Hermitian eigenproblems
Xiao-Ming Zhang, Yukun Zhang, Wenhao He +1
Non-Hermitian physics has emerged as a rich field of study, with applications ranging from -symmetry breaking and skin effects to non-Hermitian topological phase transitions. Y…