Universal Behavior of One-Dimensional Gapped Antiferromagnets in a Staggered Magnetic Field

1998/03/31 by Sergei Maslov, A. Zheludev, Andrey Zheludev · 5 citations
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Magnetic and transport properties of perovskites and related materials #Physics of Superconductivity and Magnetism #cond-mat.stat-mech #cond-mat.str-el #hep-lat

paper · pdf · doi:10.1103/physrevlett.80.5786

published as Phys.Rev.Lett. 80 (1998) 5786-5789 · 4 pages, 2 figures

arxiv created 1998/04/01 · openalex publication_date 1998/06/29 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We study the properties of one-dimensional gapped Heisenberg antiferromagnets in the presence of a strong staggered magnetic field. For these systems we predict a universal form for the staggered magnetization curve. This function, as well as the effect the staggered field has on the energy gaps in longitudinal and transversal excitation spectra, is determined from the universal form of the effective potential in O(3)-symmetric (1+1)-dimensional field theory. Our theoretical findings are in excellent agreement with recent neutron scattering data on R₂BaNiO₅ ( R\phantom\rule0ex0ex=\phantom\rule0ex0ex magnetic rare earth) linear-chain mixed spin antiferromagnets.

Citations

• Coexistence of Haldane gap excitations and long range antiferromagnetic order in mixed-spin nickelates R₂ Ba Ni O₅

Cited by

• Low-energy properties of two-leg spin-1 antiferromagnetic ladders with commensurate external fields and their extensions
• Quantum criticalities in a two-leg antiferromagneticS=12ladder induced by a staggered magnetic field
• A nonlinear σ-model approach
• Schwinger-boson mean-field theory of the mixed-spin antiferromagnet L2BaNiO5
• Microscopic model for a class of mixed-spin quantum antiferromagnets