Power law specific heat divergence in Sr3Ru2O7

A. W. Rost, A. M. Berridge, R. S. Perry, J-F. Mercure, S. A. Grigera, A. P. Mackenzie

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

We present measurement and analysis of field-dependent specific heat measurements on Sr3Ru2O7, showing that, at low temperatures, an incipient divergence is cut off by the formation of a new phase previously identified to show the transport properties of an electronic nematic. We discuss how to interpret a specific heat divergence in a system with van Hove singularities, and caution against a simple-minded comparison of experimentally determined power laws with the predictions of quantum critical theories.

Original languageEnglish
Pages (from-to)513-515
Number of pages3
JournalPhysica Status Solidi. B
Volume247
Issue number3
DOIs
Publication statusPublished - Mar 2010

Keywords

  • METAMAGNETIC QUANTUM CRITICALITY
  • QUALITY SINGLE-CRYSTALS
  • RUTHENATE SR3RU2O7
  • FLUCTUATIONS
  • DISORDER

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