Аннотация
We investigated the susceptible-infected-susceptible model on a square
lattice in the presence of a conjugated field based on recently proposed
reactivating dynamics. Reactivating dynamics consists of reactivating
the infection by adding one infected site, chosen randomly when the
infection dies out, avoiding the dynamics being trapped in the absorbing
state. We show that the reactivating dynamics can be interpreted as the
usual dynamics performed in the presence of an effective conjugated
field, named the reactivating field. The reactivating field scales as
the inverse of the lattice number of vertices n, which vanishes at the
thermodynamic limit and does not affect any scaling properties including
ones related to the conjugated field.
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