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quant-ph2023★ 24 cited
Strong Error Bounds for Trotter & Strang-Splittings and Their Implications for Quantum Chemistry
Daniel Burgarth, Paolo Facchi, Alexander Hahn +2
Efficient error estimates for the Trotter product formula are central in quantum computing, mathematical physics, and numerical simulations. However, the Trotter error's dependency…
quant-ph2023★ 13 cited
Quantum Ergotropy and Quantum Feedback Control
Kenta Koshihara, Kazuya Yuasa
We study the energy extraction from and charging to a finite-dimensional quantum system by general quantum operations. We prove that the changes in energy induced by unital quantum…