Towards a variational Jordan-Lee-Preskill quantum algorithm

no code implementations • 12 Sep 2021 • Junyu Liu, Zimu Li, Han Zheng, Xiao Yuan, Jinzhao Sun

Rapid developments of quantum information technology show promising opportunities for simulating quantum field theory in near-term quantum devices.

Computational Efficiency

Mitigating realistic noise in practical noisy intermediate-scale quantum devices

no code implementations • 14 Jan 2020 • Jinzhao Sun, Xiao Yuan, Takahiro Tsunoda, Vlatko Vedral, Simon C. Bejamin, Suguru Endo

As we numerically test our method with various Hamiltonians under energy relaxation and dephasing noise and digital quantum circuits with additional two-qubit crosstalk, we show an improvement of simulation accuracy by two orders.

Quantum Physics

Variational quantum simulation of general processes

no code implementations • 20 Dec 2018 • Suguru Endo, Jinzhao Sun, Ying Li, Simon Benjamin, Xiao Yuan

Finally, we introduce variational quantum simulation for open system dynamics.

Quantum Physics