A real space description of magnetic field induced melting in the charge ordered manganites: II. The disordered case

Anamitra Mukherjee () and Pinaki Majumdar

The European Physical Journal B: Condensed Matter and Complex Systems, 2014, vol. 87, issue 10, 1-8

Abstract: We study the effect of A site disorder on magnetic field induced melting of charge order (CO) in half doped manganites using a Monte-Carlo technique. Strong A-site disorder destroys CO even without an applied field. At moderate disorder, the zero field CO state survives but has several intriguing features in its field response. Our spatially resolved results track the broadening of the field melting transition due to disorder and explain the unusual dependence of the melting scales on bandwidth and disorder. In combination with our companion paper on field melting of charge order in clean systems we provide an unified understanding of CO melting across all half doped manganites. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2014

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1140/epjb/e2014-50233-y

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