Quantum phase transition in the itinerant antiferromagnet (V0.9Ti0.1)2O3

Hiroaki Kadowaki, Kiyoichiro Motoya, Taku J. Sato, J. W. Lynn, J. A. Fernandez-Baca, Jun Kikuchi

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Quantum-critical behavior of the itinerant electron antiferromagnet (V0.9Ti0.1)2O3 has been studied by single-crystal neutron scattering. By directly observing antiferromagnetic spin fluctuations in the paramagnetic phase, we have shown that the characteristic energy depends on temperature as c1+c2T3/2, where c1 and c2 are constants. This T3/2 dependence demonstrates that the present strongly correlated d-electron antiferromagnet clearly shows the criticality of the spin-density-wave quantum phase transition in three space dimensions.

Original languageEnglish
Article number096406
JournalPhysical review letters
Issue number9
Publication statusPublished - 2008 Aug 29
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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