3 papers
quant-ph2026
Trotter error compensation with polylogarithmic precision and nested-commutator scaling without ancillas
Xinzhao Wang, Shuo Zhou, Ziruo Wang +5
Product formulas are among the most practical approaches to Hamiltonian simulation, requiring no ancillary qubits and exhibiting error bounds governed by nested commutators rather…
quant-ph2025
Quantum Hamiltonian Certification
Minbo Gao, Zhengfeng Ji, Qisheng Wang +2
We formalize and study the Hamiltonian certification problem. Given access to for an unknown Hamiltonian , the goal of the problem is to determine whether $…
quant-ph2022
Simple and high-precision Hamiltonian simulation by compensating Trotter error with linear combination of unitary operations
Pei Zeng, Jinzhao Sun, Liang Jiang +1
Trotter and linear-combination-of-unitary (LCU) are two popular Hamiltonian simulation methods. We propose Hamiltonian simulation algorithms using LCU to compensate Trotter error,…