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Titolo: Phase transitions driven by competing interactions in low-dimensional systems
Data di pubblicazione: 2010
Citazione: Phase transitions driven by competing interactions in low-dimensional systems / Cordin M; Lechner BAJ; Amann P; Menzel A; Bertel E; Franchini C; Zucca R; Redinger J; Baranov M; Diehl S. - In: EUROPHYSICS LETTERS. - ISSN 0295-5075. - 92:2(2010).
Abstract: Variable-temperature scanning tunnelling microscopy is used to study an order-order phase transition in a virtually defect-free quasi-one-dimensional surface system. The phase transition is driven by competing electronic interactions. The phase diagram is captured by a modified Landau formalism containing a coupling term between two different subsystems. The extra term has the effect of a spontaneously generated field which drives the phase transition. The proposed formalism applies to a variety of problems, where competing interactions produce sometimes counter-intuitive ordering phenomena. Copyright (C) EPLA, 2010
Tipologia:1.1 Articolo in rivista

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