Extended Data Fig. 8: Phason-flip-like particle motion observed in liquid I.

a, Visualization of particle motion in liquid I at T=0.041 over a time interval Δt = 1.2. Filled red and black circles represent A and B particles at t=0, whereas open red and black circles represent their positions at t=1.2. The particle motion of 6 particles is depicted by a red-shaded combined square and triangle at t=0 and a white-shaded one at t=1.2. This particle motion is analogous to the phason-flip motion observed in a 12-fold quasi-crystal. b, Decomposition of the phason-flip-like motion (top row) into two T1 processes (two bottom rows). Three particles mainly move in the process, as indicated by arrows, leading to the occurrence of two T1 processes. In the right images, newly formed and broken bonds are represented by solid and broken lines, respectively.