Effective temperature in an interacting vertex system: Theory and experiment on artificial spin ice

Cristiano Nisoli, Jie Li, Xianglin Ke, D. Garand, Peter Schiffer, Vincent H. Crespi

Research output: Contribution to journalArticlepeer-review

Abstract

Frustrated arrays of interacting single-domain nanomagnets provide important model systems for statistical mechanics, as they map closely onto well-studied vertex models and are amenable to direct imaging and custom engineering. Although these systems are manifestly athermal, we demonstrate that an effective temperature, controlled by an external magnetic drive, describes their microstates and therefore their full statistical properties.

Original languageEnglish (US)
Article number047205
JournalPhysical review letters
Volume105
Issue number4
DOIs
StatePublished - Jul 23 2010

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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