Pattern formation and glassy phase in the phi(4) theory with a screened electrostatic repulsion (Articolo in rivista)

Type
Label
  • Pattern formation and glassy phase in the phi(4) theory with a screened electrostatic repulsion (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Tarzia, M; Coniglio, A (2006)
    Pattern formation and glassy phase in the phi(4) theory with a screened electrostatic repulsion
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tarzia, M; Coniglio, A (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 96 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Naples Federico II, Dipartimento Sci Fisiche, Complesso Univ Monte Sant Angelo, I-80126 Naples, Italy; Univ Naples Federico II, Ist Nazl Fis Nucl, Complesso Univ Monte Sant Angelo, Sez Napoli, I-80126 Naples, Italy; Complesso Univ Monte Sant Angelo, Coherentia CNR, INFM, I-80126 Naples, Italy (literal)
Titolo
  • Pattern formation and glassy phase in the phi(4) theory with a screened electrostatic repulsion (literal)
Abstract
  • We study analytically the structural properties of a system with a short-range attraction and a competing long-range screened repulsion. This model contains the essential features of the effective interaction potential among charged colloids in polymeric solutions and provides novel insights on the equilibrium phase diagram of these systems. Within the self-consistent Hartree approximation and by using a replica approach, we show that varying the parameters of the repulsive potential and the temperature yields a phase coexistence, a lamellar, and a glassy phase. Our results strongly suggest that the cluster phase observed in charged colloids might be the signature of an underlying equilibrium lamellar phase, hidden on experimental time scales. (literal)
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