Critical behavior of systems with long-range interaction in restricted geometry

Details Critical behavior of systems with long-range interaction in restricted geometry Critical behavior of systems with long-range interaction in restricted geometry

2003-03-03

arxiv.org/abs/cond-mat/0303030v2

Physics

Condensed Matter

Statistical Mechanics

New figures are added. Now 17 pages including 4 figures. Accepted for publication in Modren Physics Letters

Scientific paper

10.1142/S0217984903006232

The present review is devoted to the problems of finite-size scaling due to the presence of long-range interaction decaying at large distance as $1/r^{d+\sigma}$, $\sigma>0$. The attention is focused mainly on the renormalization group results in the framework of ${\cal O}(n)$ $\phi^{4}$ - theory for systems with fully finite (block) geometry under periodic boundary conditions. Some bulk critical properties and Monte Carlo results also are reviewed. The role of the cutoff effects as well their relation with those originating from the long-range interaction is also discussed. Special attention is paid to the description of the adequate mathematical technique that allows to treat the long-range and short-range interactions on equal ground. The review closes with short discussion of some open problems.

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