67 citations · 380 across the 24 of their papers we have counts for
12 papers · 2 filters
Revealing inherent quantum interference and entanglement of a Dirac particle
Wen Ning, Ri-Hua Zheng, Yan Xia +7
Although originally predicted in relativistic quantum mechanics, Zitterbewegung can also appear in some classical systems, which leads to the important question of whether Zitterbe…
Multipartite entanglement detection based on generalized state-dependent entropic uncertainty relation for multiple measurements
Li-Hang Ren, Yun-Hao Shi, Jin-Jun Chen +1
We present the generalized state-dependent entropic uncertainty relations in multiple measurements setting, and the optimal lower bound is obtained by considering different measure…
A Probabilistic Imaginary Time Evolution Algorithm Based on Non-unitary Quantum Circuit
Hao-Nan Xie, Shi-Jie Wei, Fan Yang +4
Imaginary time evolution is a powerful tool applied in quantum physics, while existing classical algorithms for simulating imaginary time evolution suffer high computational comple…
Exceptional entanglement phenomena: non-Hermiticity meeting non-classicality
Pei-Rong Han, Fan Wu, Xin-Jie Huang +11
Non-Hermitian (NH) extension of quantum-mechanical Hamiltonians represents one of the most significant advancements in physics. During the past two decades, numerous captivating NH…
Observation of entanglement negativity transition of pseudo-random mixed states
Tong Liu, Shang Liu, Hekang Li +7
Multipartite entanglement is a key resource for quantum computation. It is expected theoretically that entanglement transition may happen for multipartite random quantum states, ho…
Observation of critical phase transition in a generalized Aubry-André-Harper model on a superconducting quantum processor with tunable couplers
Hao Li, Yong-Yi Wang, Yun-Hao Shi +15
Quantum simulation enables study of many-body systems in non-equilibrium by mapping to a controllable quantum system, providing a new tool for computational intractable problems. H…
Improving the performance of quantum approximate optimization for preparing non-trivial quantum states without translational symmetry
Zheng-Hang Sun, Yong-Yi Wang, Jian Cui +1
The variational preparation of complex quantum states using the quantum approximate optimization algorithm (QAOA) is of fundamental interest, and becomes a promising application of…
A Necessary and Sufficient Entanglement Criterion of N-qubit System Based on Correlation Tensor
Feng-Lin Wu, Si-Yuan Liu, Wen-Li Yang +2
Great advances have been achieved in studying characteristics of entanglement for fundamentals of quantum mechanics and quantum information processing. However, even for N-qubit sy…
Entanglement-interference complementarity and experimental demonstration in a superconducting circuit
Xin-Jie Huang, Pei-Rong Han, Wen Ning +12
Quantum entanglement between an interfering particle and a detector for acquiring the which-path information plays a central role for enforcing Bohr's complementarity principle. Ho…
ScQ cloud quantum computation for generating Greenberger-Horne-Zeilinger states of up to 10 qubits
Chi-Tong Chen, Yun-Hao Shi, Zhong-Cheng Xiang +9
In this study, we introduce an online public quantum computation platform, named as ScQ, based on a 1D array of a 10-qubit superconducting processor. Single-qubit rotation gates ca…
Multipartite Entanglement in Crossing the Quantum Critical Point
Hao-Yu Sun, Zi-Yong Ge, Heng Fan
We investigate the multipartite entanglement for a slow quantum quench crossing a critical point. We consider the quantum Ising model and the Lipkin-Meshkov-Glick model, which are…
Variational Quantum Computation of Molecular Linear Response Properties on a Superconducting Quantum Processor
Kaixuan Huang, Xiaoxia Cai, Hao Li +12
Simulating response properties of molecules is crucial for interpreting experimental spectroscopies and accelerating materials design. However, it remains a long-standing computati…