Influence of lattice distortions in classical spin systems

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We investigate a simple model of a frustrated classical spin chain coupled to adiabatic phonons under an external magnetic field. A thorough study of the magnetization properties is carried out both numerically and analytically. We show that already a moderate coupling with the lattice can stabilize a plateau at 1/3 of the saturation and discuss the deformation of the underlying lattice in this phase. We also study the transition to saturation where either a first or second order transition can occur, depending on the couplings strength.
Submitted to Phys. Rev. B

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/109465

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0603514
 http://arxiv.org/abs/cond-mat/0603514
 Phys. Rev. B 74, 014428 (2006)
 doi:10.1103/PhysRevB.74.014428

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