Quantum speed-up capacity in different types of quantum channels for two-qubit open systems<xref rid="cpb_27_6_060302_fn1" ref-type="fn">*</xref> <fn id="cpb_27_6_060302_fn1"> <label>*</label> <p>Project supported by the EU FP7 Marie-Curie Career Integration Fund (Grant No. 631883) (for Chao Wang), the Royal Society Research Fund (Grant No. RG150036), and the Fundamental Research Fund for the Central Universities, China (Grant No. 2018IB010) (for Xin Liu and Wei Wu).</p> </fn>

Quantum speed-up capacity in different types of quantum channels for two-qubit open systems* *

Project supported by the EU FP7 Marie-Curie Career Integration Fund (Grant No. 631883) (for Chao Wang), the Royal Society Research Fund (Grant No. RG150036), and the Fundamental Research Fund for the Central Universities, China (Grant No. 2018IB010) (for Xin Liu and Wei Wu).

Wu Wei^{1, †}, Liu Xin^{1, ‡}, Wang Chao^{2, §}

(color online) Evolutions of the speed-up capacities of (a) |Ψ₁⟩ and (b) |Ψ₂⟩ in a phase-damping channel as a function of scaled time ω_ct and coefficient a with s = 5 and ω_c = 1.