Quantum speed limit based on the bound of Bures angle

Abstract In this paper, we investigate the unified bound of quantum speed limit time in open systems based on the modified Bures angle. This bound is applied to the damped Jaynes-Cummings model and the dephasing model, and the analytical quantum speed limit time is obtained for both models. As an ex...

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Bibliographic Details
Main Authors: Shao-xiong Wu, Chang-shui Yu
Format: Article
Language:English
Published: Nature Publishing Group 2020-03-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-020-62409-w