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

Naokazu Shibata; Kazuo Ueda

doi:10.1143/JPSJ.70.3690

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

Naokazu Shibata, Kazuo Ueda

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

Thermodynamic properties of the S= 1/2 Heisenberg chain in transverse staggered magnetic field H^y_s and uniform magnetic field H^x 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 H^y_s and H^x. 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 language	English
Pages (from-to)	3690-3694
Number of pages	5
Journal	journal of the physical society of japan
Volume	70
Issue number	12
DOIs	https://doi.org/10.1143/JPSJ.70.3690
Publication status	Published - 2001 Dec
Externally published	Yes

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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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.",

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author = "Naokazu Shibata and Kazuo Ueda",

year = "2001",

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N2 - 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.

AB - 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.

KW - Density matrix

KW - Dzyaloshinsky-Moriya interaction

KW - Heisenberg model

KW - Renormalization group

KW - Specific heat

KW - Staggered magnetic field

KW - Susceptibility

KW - Transfer matrix

KW - YbAs

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

Abstract

Keywords

ASJC Scopus subject areas

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