. 2022 Apr 20;16(5):6960–7079. doi: 10.1021/acsnano.1c09150

Table 2. Either the absence (X) or the presence (checkmark symbol) of a phase-transition towards conventional long-range order at finite temperatures in model Hamiltonians^a.

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The simultaneous presence of both symbols in the 2d-XY model indicates the presence of quasi-long-range order characterized by a correlation function that falls off as power law below T = T_KT. Adapted with permission from ref (42). Copyright 1990 Springer.

Table 2. Either the absence (X) or the presence (checkmark symbol) of a phase-transition towards conventional long-range order at finite temperatures in model Hamiltoniansa.

Table 2. Either the absence (X) or the presence (checkmark symbol) of a phase-transition towards conventional long-range order at finite temperatures in model Hamiltonians^a.