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- Zhejiang UniversityCN124 papers
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- Chinese Academy of SciencesCN45 papers
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7 papers · 2 filters
Sampling reduced density matrix to extract fine levels of entanglement spectrum and restore entanglement Hamiltonian
Bin-Bin Mao, Yi-Ming Ding, Zhe Wang +2
The reduced density matrix (RDM) plays a key role in quantum entanglement and measurement, as it allows the extraction of almost all physical quantities related to the reduced degr…
The effects of disorder in superconducting materials on qubit coherence
Ran Gao, Feng Wu, Hantao Sun +13
Introducing disorderness in the superconducting materials has been considered promising to enhance the electromagnetic impedance and realize noise-resilient superconducting qubits.…
Exploring the topological sector optimization on quantum computers
Yi-Ming Ding, Yan-Cheng Wang, Shi-Xin Zhang +1
Optimization problems are the core challenge in many fields of science and engineering, yet general and effective methods are scarce for searching optimal solutions. Quantum comput…
Non-Hermitian Parent Hamiltonian from Generalized Quantum Covariance Matrix
Yin Tang, W. Zhu
Quantum inverse problem is defined as how to determine a local Hamiltonian from a single eigenstate? This question is valid not only in Hermitian system but also in non-Hermitian s…
Local diabatic representation of conical intersection quantum dynamics
Bing Gu
Conical intersections are ubiquitous in polyatomic molecules and responsible for a wide range of phenomena in chemistry and physics. We introduce and implement a local diabatic rep…
Active-feedback quantum control of an integrated low-frequency mechanical resonator
Jingkun Guo, Jin Chang, Xiong Yao +1
Preparing a massive mechanical resonator in a state with quantum limited motional energy provides a promising platform for studying fundamental physics with macroscopic systems and…