論文

査読有り
2005年3月

Nonlinear electrostatic response of strongly correlated one-dimensional electron systems

SOLID STATE COMMUNICATIONS
  • Y Koyama
  • ,
  • A Takahashi
  • ,
  • M Aihara

133
12
開始ページ
785
終了ページ
789
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.ssc.2005.01.001
出版者・発行元
PERGAMON-ELSEVIER SCIENCE LTD

We investigate the nonlinear response of the strongly correlated one-dimensional electron systems to the static electric field with using the one-dimensional Hubbard model in the half-filled case. We adopt the variational Monte Carlo method with the Gutzwiller wave function to describe the strong correlation effects. In the weak correlation region U/t <= 4, where U is the one-site Coulomb repulsion energy and t is the transfer integral between the nearest neighbor sites, the response can be described within the band picture, and the third order nonlinear susceptibility chi((3)) increases slowly with increasing U/t. For U/t <= 4, chi((3)) increases rapidly with increasing U/t, and chi((3)) at U/t = 10 is more than ten times larger than that at U/t = 2. This large value of chi((3)) originates from the exotic properties of carriers in the strongly correlated one-dimensional electron systems. (c) 2005 Elsevier Ltd. All rights reserved.


リンク情報
DOI
https://doi.org/10.1016/j.ssc.2005.01.001
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000228121100007&DestApp=WOS_CPL
URL
http://orcid.org/0000-0001-5363-3870
ID情報
  • DOI : 10.1016/j.ssc.2005.01.001
  • ISSN : 0038-1098
  • ORCIDのPut Code : 9412416
  • Web of Science ID : WOS:000228121100007

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