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Optimal Hamiltonian recognition of unknown quantum dynamics
Identifying unknown Hamiltonians from their quantum dynamics is a pivotal challenge in quantum technologies and fundamental physics. In …
Chengkai Zhu
,
Shuyu He
,
Yu-Ao Chen
,
Lei Zhang
,
Xin Wang
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DOI
Nonlinear functions of quantum states
Efficient estimation of nonlinear functions of quantum states is crucial for various key tasks in quantum computing, such as …
Hongshun Yao
,
Yingjian Liu
,
Tengxiang Lin
,
Xin Wang
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DOI
Hypothesis testing of symmetry in quantum dynamics
Symmetry plays a crucial role in quantum physics, dictating the behavior and dynamics of physical systems. In this paper, We develop a …
Yu-Ao Chen
,
Chenghong Zhu
,
Keming He
,
Yingjian Liu
,
Xin Wang
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DOI
Quantum Entanglement Allocation through a Central Hub
Establishing a fully functional quantum internet relies on the efficient allocation of multipartite entangled states, which enables …
Yu-Ao Chen
,
Xia Liu
,
Chenghong Zhu
,
Lei Zhang
,
Junyu Liu
,
Xin Wang
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DOI
Amortized Stabilizer Rényi Entropy of Quantum Dynamics
Unraveling the secrets of how much nonstabilizerness a quantum dynamic can generate is crucial for harnessing the power of magic …
Chengkai Zhu
,
Yu-Ao Chen
,
Zanqiu Shen
,
Zhiping Liu
,
Zhan Yu
,
Xin Wang
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DOI
Physical Implementability for Reversible Magic State Manipulation
Magic states are essential for achieving universal quantum computation. This study introduces a reversible framework for the …
Yu-Ao Chen
,
Gour Gilad
,
Xin Wang
,
Lei Zhang
,
Chenghong Zhu
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DOI
Protocols and Trade-Offs of Quantum State Purification
Quantum state purification plays a pivotal role in quantum communication and quantum computation, aiming to recover the purified state …
Hongshun Yao
,
Yu-Ao Chen
,
Erdong Huang
,
Kaichu Chen
,
Xin Wang
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DOI
Quantum Coherence and Distinguishability: A Resource-Theoretic Perspective on Wave-Particle Duality
Wave-particle duality, the cornerstone of quantum mechanics, illustrates essential trade-offs between two complementary aspects of …
Zhiping Liu
,
Chengkai Zhu
,
Hualei Yin
,
Xin Wang
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DOI
Circuit Knitting Faces Exponential Sampling Overhead Scaling Bounded by Entanglement Cost
Abstract Circuit knitting, a method for connecting quantum circuits across multiple processors to simulate nonlocal quantum operations, …
Mingrui Jing
,
Chengkai Zhu
,
Xin Wang
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DOI
Quantum Advantage in Reversing Unknown Unitary Evolutions
We introduce the Quantum Unitary Reversal Algorithm (QURA), a deterministic and exact approach to universally reverse arbitrary unknown …
Yu-Ao Chen
,
Yin Mo
,
Yingjian Liu
,
Lei Zhang
,
Xin Wang
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DOI
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