Realization of stripes and slabs in two and three dimensions

Alessandro Giuliani, Elliott H. Lieb, Robert Seiringer

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

We consider Ising models in two and three dimensions with nearest neighbor ferromagnetic interactions and long-range, power law decaying, antiferromagnetic interactions. If the strength of the ferromagnetic coupling J is larger than a critical value Jc, then the ground state is homogeneous and ferromagnetic. As the critical value is approached from smaller values of J, it is believed that the ground state consists of a periodic array of stripes (d=2) or slabs (d=3), all of the same size and alternating magnetization. Here we prove rigorously that the ground state energy per site converges to that of the optimal periodic striped or slabbed state, in the limit that J tends to the ferromagnetic transition point. While this theorem does not prove rigorously that the ground state is precisely striped or slabbed, it does prove that in any suitably large box the ground state is striped or slabbed with high probability.

Original languageEnglish (US)
Article number064401
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume88
Issue number6
DOIs
StatePublished - Aug 1 2013

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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