Microscopic Theory of Multipole Ordering in 𝑓-Electron Systems

Figure 3

Energy band structure obtained by the diagonalization of 𝐻₀ for (𝑓𝑓𝜎)=−𝑡, (𝑓𝑓𝜋)=−𝑡/2, (𝑓𝑓𝛿)=𝑡, (𝑓𝑓𝜙)=−𝑡/2, 𝜆/𝑡=0.1, and 𝑊/𝑡=0.001. Note that we show the eigen energies along the lines of Γ→𝑋→𝑀→Γ→𝑅→𝑋.