Loss and recovery of Gibbsianness for XY models in external fields

Aernout van Enter, Wioletta Ruszel

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Abstract

We consider planar rotors (XY spins) in ℤd, starting from an initial Gibbs measure and evolving with infinite-temperature stochastic (diffusive) dynamics. At intermediate times, if the system starts at low temperature, Gibbsianness can be lost. Due to the influence of the external initial field, Gibbsianness can be recovered after large finite times. We prove some results supporting this picture.
Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalJournal of Mathematical Physics
Volume49
Issue number12
DOIs
Publication statusPublished - 2008
Externally publishedYes

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