Spin-current State in Anisotropic Triangular Heisenberg Model

S. Tamura, H. Yokoyama

研究成果: Conference article査読

1 被引用数 (Scopus)

抄録

Stability of a spin-current state with respect to the ordinary magnetically disordered (paramagnetic) state is studied for an S=1/2 Heisenberg (J1-J2) model on an anisotropic triangular lattice in a magnetic field as a low-lying excited state as well as the ground state. We use a variational Monte Carlo method in computing expectation values. As a result, the spin-current state has an appreciably lower energy than that of the paramagnetic state for J1∼J2 (nearly isotropic) and 0.5 m 0.8 (m: magnetization), but in other areas, the energy gain is small if any, in contrast to a previous argument of Chubukov and Starykh for m ∼1/3.

本文言語English
ページ(範囲)10-13
ページ数4
ジャーナルPhysics Procedia
58
DOI
出版ステータスPublished - 2014
イベント26th International Symposium on Superconductivity, ISS 2013 - Tokyo, Japan
継続期間: 2013 11 182013 11 20

ASJC Scopus subject areas

  • 物理学および天文学(全般)

フィンガープリント

「Spin-current State in Anisotropic Triangular Heisenberg Model」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル