Fig. 10: The Schmidt gap in the AK, FK and AΓ phases.
From: Twice hidden string order and competing phases in the spin-1/2 Kitaev–Gamma ladder
The splitting of the entanglement spectrum Δ = λ1 − λ2 from iDMRG calculations with a field in the \(\hat{{{{\bf{a}}}}}\), \(\hat{{{{\bf{b}}}}}\) and \(\hat{{{{\bf{c}}}}}\) directions. a AK-phase at ϕ = −0.08π using ρB. b FK-phase at ϕ = 0.95π using ρB. c AΓ-phase at ϕ = 0.85π using ρA.
