Geometry of skew information-based quantum coherence

Zhao-Qi Wu,Huai-Jing Huang,Shao-Ming Fei,Xian-Qing Li-Jost

Figure 1. Surfaces of constant ${C}_{{I}}{\left({\rho }^{\mathrm{BD}}\right)}_{{a}_{1}}$: (a) ${C}_{{I}}{\left({\rho }^{\mathrm{BD}}\right)}_{{a}_{1}}=0.05;$ (b) ${C}_{{I}}{\left({\rho }^{\mathrm{BD}}\right)}_{{a}_{1}}=0.2;$ (c) ${C}_{{I}}{\left({\rho }^{\mathrm{BD}}\right)}_{{a}_{1}}=1$.