Nonlinear magnetization of the one-dimensional S=1 antiferromagnet

Kiyohide Nomura, Tôru Sakai

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

It is known that the one-dimensional S=1 antiferromagnet has an energy gap and therefore has no magnetization up to a finite field Hc. We find that the magnetization appears nonlinearly above Hc. So the field derivative dm/dH diverges at Hc. This explains the cusp in dm/dH observed experimentally in the quasi-one-dimensional S=1 material Ni(C2H8N2)2NO2ClO4.

Original languageEnglish
Pages (from-to)5092-5094
Number of pages3
JournalPhysical Review B
Volume44
Issue number10
DOIs
Publication statusPublished - 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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