On the Lattice Corrections to the Free Energy of Kink-Bearing Nonlinear One-Dimensional Scalar Systems

Anca Visinescu (Department of Theoretical Physics; Bucharest; D. Grecu; Institute of Atomic Physics; Magurele; P.O.Box MG-6; Romania)

arxiv: cond-mat/9304005 · v1 · submitted 1993-04-05 · ❄️ cond-mat

On the Lattice Corrections to the Free Energy of Kink-Bearing Nonlinear One-Dimensional Scalar Systems

D. Grecu , Anca Visinescu (Department of Theoretical Physics , Institute of Atomic Physics , P.O.Box MG-6 , Magurele , Bucharest , Romania) This is my paper

classification ❄️ cond-mat

keywords correctionsenergylatticefreekinkagreementasymptoticcalculated

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A ri proof of the effective potential (lattice corrections included) deduced by Trullinger and Sasaki is given. Using asymptotic methods from the theory of differential equations depending on a large parameter, the lattice corrections to the kink and kink-kink contributions to the free energy are calculated. The results are in complete agreement with a first order correction to the energy of the static kink.

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On the Lattice Corrections to the Free Energy of Kink-Bearing Nonlinear One-Dimensional Scalar Systems

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