Journal article

FINITE-SIZE CORRECTIONS TO THE FREE-ENERGY OF COULOMB-SYSTEMS WITH A PERIODIC BOUNDARY-CONDITION

PJ FORRESTER

JOURNAL OF STATISTICAL PHYSICS | PLENUM PUBL CORP | Published : 1991

Abstract

Classical Coulomb systems in d dimensions (d≥2) with a periodic boundary condition, period W, in the direction x(d)are considered. With the other directions of the confining volume of length L, it is shown that if the system is in a conducting phase, then the "strip" free energy kTfW, fW= -limL→∞L-(d-1) log Z, has the large-W expansion {Mathematical expression} where kTf∞ is the bulk free energy per unit volume, ζ(x) denotes the Riemann zeta function, and Γ(x) denotes the gamma function. With 1/W identified as kT, this result is precisely the low-temperature behavior of the free energy of a (d-1)-dimensional Debye solid. This fact is explained in terms of an equivalence between the Coulomb g..

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