4 papers
Full-quantum variational dynamics simulation for time-dependent Hamiltonians with global spectral discretization
Minchen Qiao, Zi-Ming Li, Yu-xi Liu
The most widely used approach for simulating the dynamics of time-dependent Hamiltonians via quantum computation depends on the quantum-classical hybrid variational quantum time ev…
Scalable Parameter Design for Superconducting Quantum Circuits with Graph Neural Networks
Hao Ai, Yu-xi Liu
To demonstrate supremacy of quantum computing, increasingly large-scale superconducting quantum computing chips are being designed and fabricated. However, the complexity of simula…
Dynamic compensation for pump-induced frequency shift in Kerr-cat qubit initialization
Yifang Xu, Ziyue Hua, Weiting Wang +12
The noise-biased Kerr-cat qubit is an attractive candidate for fault-tolerant quantum computation; however, its initialization faces challenges due to the squeezing pump-induced fr…
Engineering the Nonlinearity of Bosonic Modes with a Multi-loop SQUID
Ziyue Hua, Yifang Xu, Weiting Wang +8
Engineering high-order nonlinearities while suppressing lower-order terms is crucial for quantum error correction and state control in bosonic systems, yet it remains an outstandin…