Thermodynamic Properties of the S = 1/2 Heisenberg Chain with Staggered Dzyaloshinsky-Moriya Interaction

Naokazu Shibata, Kazuo Ueda

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)

Abstract

Thermodynamic properties of the S= 1/2 Heisenberg chain in transverse staggered magnetic field Hys and uniform magnetic field Hx perpendicular to the staggered field is studied by the finite-temperature density-matrix renormalization-group method. The uniform and staggered magnetizations and specific heat are calculated from zero temperature to high temperatures up to T = 4J under various strength of magnetic fields Hys and Hx. The specific heat and magnetization of the effective Hamiltonian of the Yb4As3 are also presented, and field induced gap formation and diverging magnetic susceptibility at low temperature are shown.

Original languageEnglish
Pages (from-to)3690-3694
Number of pages5
Journaljournal of the physical society of japan
Volume70
Issue number12
DOIs
Publication statusPublished - 2001 Dec
Externally publishedYes

Keywords

  • Density matrix
  • Dzyaloshinsky-Moriya interaction
  • Heisenberg model
  • Renormalization group
  • Specific heat
  • Staggered magnetic field
  • Susceptibility
  • Transfer matrix
  • YbAs

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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