Fig. 4: Schematic of the lattice model used to derive Eq. (15). | Nature Communications

Fig. 4: Schematic of the lattice model used to derive Eq. (15).

From: A topological fluctuation theorem

Fig. 4

At each site (x, y) correspond four internal states A–D while internal and external transitions are, respectively, represented by gray and black arrows. The vectors e∥ and e⊥ define the orientation of the system’s boundaries.

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