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15 papers · 2 filters
Simulating the Klein tunneling of pseudospin-one Maxwell particles with trapped ions
Peng He, Xin Shen, Dan-Wei Zhang +1
We propose an experimental scheme to simulate and observe the Klein tunneling of relativistic Maxwell particles with trapped ions. We explore the scattering dynamics of the pseudos…
Spin-qubit noise spectroscopy from randomized benchmarking by supervised learning
Chengxian Zhang, Xin Wang
We demonstrate a method to obtain the spectra of noises in spin-qubit devices from randomized benchmarking, assisted by supervised learning. The noise exponent, which indicat…
Coherent population transfer via state-independent quasi-adiabatic dynamics
Jian Xu, Yan-Xiong Du, Wei Huang
High-fidelity and robust coherent population transfer is a major challenge in coherent quantum control. Different from the well known adiabatic condition, we present a rigorous adi…
A Hybrid and Universal Blind Quantum Computation
Xiaoqian Zhang, Weiqi Luo, Guoqiang Zeng +4
In blind quantum computation (BQC), a client delegates her quantum computation to a server with universal quantum computers who learns nothing about the client's private informatio…
Nonlinear regression based on a hybrid quantum computer
Dan-Bo Zhang, Shi-Liang Zhu, Z. D. Wang
Incorporating nonlinearity into quantum machine learning is essential for learning a complicated input-output mapping. We here propose quantum algorithms for nonlinear regression,…
Emulating topological currents arising from a dipolar parity anomaly in two-dimensional optical lattices
Zhi Lin, Xian-Jia Huang, Dan-Wei Zhang +2
Dipolar parity anomaly can be induced by spatiotemporally weak-dependent energy-momentum separation of paired Dirac points in two-dimensional Dirac semimetals. Here we reveal topol…