Low-temperature thermodynamics of one-dimensional alternating-spin Heisenberg ferromagnets

Yamamoto, Shoji; Hori, Hiromitsu

PHYSICAL REVIEW B, 2005, 72, 054423

Permalink : https://hdl.handle.net/2115/5862

このアイテムのアクセス数:1,162件（2026-03-12 22:51 集計）

ファイル	フォーマット	サイズ	閲覧回数	説明
PRB72	pdf	107 KB	1,246

アクセス権	open access
URI	https://hdl.handle.net/2115/5862
タイトル	Low-temperature thermodynamics of one-dimensional alternating-spin Heisenberg ferromagnets
著者	e-Rad_Researcher 90252551 著者名 Yamamoto, Shoji 山本, 昌司
著者	著者名 Hori, Hiromitsu
言語	英語
発行日	2005
出版者	American Physical Society
収録物名	PHYSICAL REVIEW B
巻(号)	72
ページ	054423
抄録	Motivated by a novel bimetallic chain compound in which alternating magnetic centers are ferromagnetically coupled, we investigate thermodynamic properties of one-dimensional spin-(S, s) Heisenberg ferromagnets both numerically and analytically. On the one hand, quantum Monte Carlo calculations illuminate the overall thermal behavior. The specific heat may exhibit a double-peaked structure at intermediate temperatures for S3s in general. On the other hand, a modified spin-wave theory precisely describes the low-temperature properties. Expanding the specific heat and the magnetic susceptibility, we reveal an analogy and a contrast between mixed-spin ferromagnets and ferrimagnets.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Copyright © 2005 American Physical Society
PISSN	1098-0121
関連情報	URI http://www.aps.org/
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevB.72.054423