Ordering states of Tsallis relative $\alpha$-entropies of coherence
Quantum Physics
2016-07-07 v1
Abstract
In this paper, we study the ordering states with Tsallis relative -entropies of coherence and norm of coherence for single-qubit states. We show that any Tsallis relative -entropies of coherence and norm of coherence give the same ordering for single-qubit pure states. However, they don't generate the same ordering for some high dimensional pure states, even though these states are pure. We also consider three special Tsallis relative -entropies of coherence, such as , and , and show any one of these three measures and will not generate the same ordering for single-qubit mixed states. Furthermore, we find that any two of these three special measures generate different ordering for single-qubit mixed states.
Keywords
Cite
@article{arxiv.1607.01591,
title = {Ordering states of Tsallis relative $\alpha$-entropies of coherence},
author = {Fu-Gang Zhang and Lian-He Shao and Yu Luo and Yongming Li},
journal= {arXiv preprint arXiv:1607.01591},
year = {2016}
}