Short-range type critical behavior in spite of long-range interactions: the phase transition of a Coulomb system on a lattice
Mobius, A. · Roessler, U. K.
Original · EN
One- to three-dimensional hypercubic lattices half-filled with localized particles interacting via the long-range Coulomb potential are investigated numerically. The temperature dependences of specific heat, mean staggered occupation, and of a generalized susceptibility indicate order-disorder phase transitions in two- and three-dimensional systems. The critical properties, clarified by finite-size scaling analysis, are consistent with those of the Ising model with short-range interaction.
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