Large deviations of correlation functions in random magnets (Articolo in rivista)

Type
Label
  • Large deviations of correlation functions in random magnets (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.89.214202 (literal)
Alternative label
  • Morone F.; Parisi G.; Ricci-Tersenghi F. (2014)
    Large deviations of correlation functions in random magnets
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Morone F.; Parisi G.; Ricci-Tersenghi F. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84903552707&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 89 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 21 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Fisica, Università la Sapienza, P.le A. Moro 2, I-00185 Rome, Italy; Dipartimento di Fisica, INFN-Sezione di Roma1, Università la Sapienza, P.le A. Moro 2, I-00185 Rome, Italy (literal)
Titolo
  • Large deviations of correlation functions in random magnets (literal)
Abstract
  • We present a large deviations theory of the spin-spin correlation functions in the random field Ising model on the Bethe lattice, both at finite and zero temperature. Rare events of atypically correlated variables are particularly important at the critical point: The phase transition is driven by a few pairs of strongly correlated spins, while the majority remains basically uncorrelated. At the zero-temperature critical point the number of spin pairs correlated over a distance is shown to be no longer exponential, but only linear in the spins separation. © 2014 American Physical Society. (literal)
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