Short-range spin glasses: Results and speculations

Charles M. Newman, Daniel L. Stein

Research output: Chapter in Book/Report/Conference proceedingChapter


This paper is divided into two parts. The first part concerns several standard scenarios for how short-range spin glasses might behave at low temperature. Earlier theorems of the authors are reviewed, and some new results presented, including a proof that, in a thermodynamic system exhibiting infinitely many pure states and with the property (such as in replica-symmetry-breaking scenarios) that mixtures of these states manifest themselves in large finite volumes, there must be an uncountable infinity of states. In the second part of the paper, we offer some conjectures and speculations on possible unusual scenarios for the low-temperature phase of finite-range spin glasses in various dimensions. We include a discussion of the possibility of a phase transition without broken spin-flip symmetry, and provide an argument suggesting that in low dimensions such a possibility may occur. The argument is based on a new proof of Fortuin-Kasteleyn random cluster percolation at nonzero temperatures in dimensions as low as two. A second speculation considers the possibility, in analogy to certain phenomena in Anderson localization theory, of a much stronger type of chaotic temperature dependence than has previously been discussed: one in which the actual state space structure, and not just the correlations, vary chaotically with temperature.

Original languageEnglish (US)
Title of host publicationSpin Glasses
PublisherSpringer Verlag
Number of pages17
ISBN (Print)3540409025, 9783540409021
StatePublished - 2007

Publication series

NameLecture Notes in Mathematics
ISSN (Print)0075-8434


  • Anderson localization
  • Edwards-Anderson model
  • Fortuin-Kasteleyn
  • Interface
  • Mean-field theory
  • Metastates
  • Pure states
  • Random cluster percolation
  • Replica symmetry breaking
  • Sherrington-Kirkpatrick model
  • Spin glass

ASJC Scopus subject areas

  • Algebra and Number Theory


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