Roles of quantum fluctuation in frustrated systems - Order by disorder and reentrant phase transition

Shu Tanaka, M. Hirano, S. Miyashita

研究成果: Chapter

3 引用 (Scopus)

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Frustration in systems shows many interesting equilibrium and dynamical properties [1-6]. In frustrated classical systems, there is no ground state where all the interactions are satisfied energetically. Because the ground states in regularly frustrated classical systems have many energetically unsatisfied interactions, there are many degenerated ground states and the residual entropy is larger than that of unfrustrated systems. Figure 10.1 shows the ground states of three Ising spins on antiferromagnetic triangle cluster. The closed and open circles in Fig. 10.1 denote up and down spins, respectively. The crosses in Fig. 10.1 represent energetically unsatisfied interactions.

元の言語English
ホスト出版物のタイトルLecture Notes in Physics
ページ215-234
ページ数20
802
DOI
出版物ステータスPublished - 2010
外部発表Yes

出版物シリーズ

名前Lecture Notes in Physics
802
ISSN(印刷物)00758450

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Tanaka, S., Hirano, M., & Miyashita, S. (2010). Roles of quantum fluctuation in frustrated systems - Order by disorder and reentrant phase transition. : Lecture Notes in Physics (巻 802, pp. 215-234). (Lecture Notes in Physics; 巻数 802). https://doi.org/10.1007/978-3-642-11470-0_10