4 papers
Calibrating the Role of Entanglement in Variational Quantum Algorithms from a Geometric Perspective
Chunxiao Du, Yang Zhou, Zhichen Huang +4
Calibrating the role of entanglement in quantum algorithms is a crucial task in the development of quantum computing. Most existing studies have primarily focused on how the static…
Dynamics of wavepackets and entanglement in many-body kicked rotors under quantum resonance
Yangshuo Zhou, Jiao Wang
We investigate a many-body interacting system of quantum kicked rotors, where each rotor resides in its respective quantum resonance. Rich many-body dynamics are found to emerge fr…
Diffusion-Enhanced Optimization of Variational Quantum Eigensolver for General Hamiltonians
Shikun Zhang, Zheng Qin, Yongyou Zhang +4
Variational quantum algorithms (VQAs) have emerged as a promising approach for achieving quantum advantage on current noisy intermediate-scale quantum devices. However, their large…
High-dimentional Multipartite Entanglement Structure Detection with Low Cost
Rui Li, Shikun Zhang, Zheng Qin +3
Quantum entanglement detection and characterization are crucial for various quantum information processes. Most existing methods for entanglement detection rely heavily on a comple…