Phase diagram for Coulomb-frustrated phase separation in systems with negative short-range compressibility

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dc.creatorOrtix, C.
dc.creatorLorenzana, J.
dc.creatorDi Castro, C.
dc.date2008-01-07
dc.date2008-04-23
dc.date.accessioned2026-07-07T09:49:14Z
dc.date.available2026-07-07T09:49:14Z
dc.descriptionUsing numerical techniques and asymptotic expansions we obtain the phase diagram of a paradigmatic model of Coulomb frustrated phase separation in systems with negative short-range compressibility. The transition from the homogeneous phase to the inhomogeneous phase is generically first order in isotropic three-dimensional systems except for a critical point. Close to the critical point, inhomogeneities are predicted to form a BCC lattice with subsequent transitions to a triangular lattice of rods and a layered structure. Inclusion of a strong anisotropy allows for second- and first-order transition lines joined by a tricritical point.
dc.description4 pages, 3 figures. Improved figures and presentation
dc.identifierhttps://arxiv.org/abs/0801.0955
dc.identifierhttp://arxiv.org/abs/0801.0955
dc.identifierPhys. Rev. Lett. 100, 246402 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.246402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/164512
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.subjectSoft Condensed Matter
dc.titlePhase diagram for Coulomb-frustrated phase separation in systems with negative short-range compressibility
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