A New Phase of the S= 1 Bilinear-Biquadratic Chain: -a Trimerized State-

Kiyohide Nomura, Satoshi Takada

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

We investigate the S= 1 bilinear-biquadratic model. In some region, the trimerized variational state is a good candidate for the ground state. This explains why the Sutherland model (J1>0 and J2/ J1 = -1) has soft modes at q=0, ±2π/3. Moreover, the full phase diagram of this model is discussed. It is found that at the pure biquadratic ferromagnetic point, the ground state is extremely degenerate.

Original languageEnglish
Pages (from-to)389-392
Number of pages4
Journaljournal of the physical society of japan
Volume60
Issue number2
DOIs
Publication statusPublished - Jan 1 1991

Fingerprint

ground state
phase diagrams

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

A New Phase of the S= 1 Bilinear-Biquadratic Chain : -a Trimerized State-. / Nomura, Kiyohide; Takada, Satoshi.

In: journal of the physical society of japan, Vol. 60, No. 2, 01.01.1991, p. 389-392.

Research output: Contribution to journalArticle

@article{25dc9084e11142108de126aa856566b0,
title = "A New Phase of the S= 1 Bilinear-Biquadratic Chain: -a Trimerized State-",
abstract = "We investigate the S= 1 bilinear-biquadratic model. In some region, the trimerized variational state is a good candidate for the ground state. This explains why the Sutherland model (J1>0 and J2/ J1 = -1) has soft modes at q=0, ±2π/3. Moreover, the full phase diagram of this model is discussed. It is found that at the pure biquadratic ferromagnetic point, the ground state is extremely degenerate.",
author = "Kiyohide Nomura and Satoshi Takada",
year = "1991",
month = "1",
day = "1",
doi = "10.1143/JPSJ.60.389",
language = "English",
volume = "60",
pages = "389--392",
journal = "Journal of the Physical Society of Japan",
issn = "0031-9015",
publisher = "Physical Society of Japan",
number = "2",

}

TY - JOUR

T1 - A New Phase of the S= 1 Bilinear-Biquadratic Chain

T2 - -a Trimerized State-

AU - Nomura, Kiyohide

AU - Takada, Satoshi

PY - 1991/1/1

Y1 - 1991/1/1

N2 - We investigate the S= 1 bilinear-biquadratic model. In some region, the trimerized variational state is a good candidate for the ground state. This explains why the Sutherland model (J1>0 and J2/ J1 = -1) has soft modes at q=0, ±2π/3. Moreover, the full phase diagram of this model is discussed. It is found that at the pure biquadratic ferromagnetic point, the ground state is extremely degenerate.

AB - We investigate the S= 1 bilinear-biquadratic model. In some region, the trimerized variational state is a good candidate for the ground state. This explains why the Sutherland model (J1>0 and J2/ J1 = -1) has soft modes at q=0, ±2π/3. Moreover, the full phase diagram of this model is discussed. It is found that at the pure biquadratic ferromagnetic point, the ground state is extremely degenerate.

UR - http://www.scopus.com/inward/record.url?scp=0542427219&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0542427219&partnerID=8YFLogxK

U2 - 10.1143/JPSJ.60.389

DO - 10.1143/JPSJ.60.389

M3 - Article

AN - SCOPUS:0542427219

VL - 60

SP - 389

EP - 392

JO - Journal of the Physical Society of Japan

JF - Journal of the Physical Society of Japan

SN - 0031-9015

IS - 2

ER -