Phase equilibrium in two orbital model under magnetic field

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The phase equilibrium in manganites under magnetic field is studied using a two orbital model, based on the equivalent chemical potential principle for the competitive phases. We focus on the magnetic field induced melting process of CE phase in half-doped manganites. It is predicted that the homogenous CE phase begins to decompose into coexisting ferromagnetic phase and CE phase once the magnetic field exceeds the threshold field. In a more quantitative way, the volume fractions of the two competitive phases in the phase separation regime are evaluated.
4 pages, 4 figures

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Strongly Correlated Electrons, Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/106959

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0601166
 http://arxiv.org/abs/cond-mat/0601166
 J.Phys.: Condens Matter 18 (2006) L171-L177
 doi:10.1088/0953-8984/18/15/L02

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arXiv