Tetramerization of a Frustrated Spin-1/2 Chain

Federico Becca, Frédéric Mila, and Didier Poilblanc
Phys. Rev. Lett. 91, 067202 – Published 8 August 2003

Abstract

We investigate a model of a frustrated spin-1/2 Heisenberg chain coupled to adiabatic phonons with a general form of magnetoelastic coupling. For large enough frustration and lattice coupling, a new tetramerized phase with three different bond lengths is found. We argue that the zigzag spin-1/2 chain LiV2O5 might be a good candidate to observe such a phase.

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  • Received 9 September 2002

DOI:https://doi.org/10.1103/PhysRevLett.91.067202

©2003 American Physical Society

Authors & Affiliations

Federico Becca1,2, Frédéric Mila2, and Didier Poilblanc3

  • 1INFM-Democritos, National Simulation Centre, and SISSA, I-34014 Trieste, Italy
  • 2Institut de Physique Théorique, Université de Lausanne, CH-1015 Lausanne, Switzerland
  • 3Laboratoire de Physique Théorique, CNRS–UMR 5152, Université Paul Sabatier, F-31062 Toulouse, France

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Issue

Vol. 91, Iss. 6 — 8 August 2003

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