Universal properties of quantum network models

2008 Fiscal Year Self-evaluation Report

• Project/Area Number: 18540382
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Mathematical physics/Fundamental condensed matter physics
• Research Institution: Sophia University
• Principal Investigator: TOMI Ohatsuki Sophia University, 理工学部, 教授 (50201976)
• Project Period (FY): 2006 – 2009
• Keywords: 物性基礎論 / 量子相転移

Research Abstract

Chalker-Coddington モデルをはじめとするネットワークモデルを詳細に見当し, 量子ホール転移を精密に解析する。また,本モデルを拡張し,スピンホール効果や完全透過チャンネルがあるときの量子輸送現象を解析する。

Research Products

• [Journal Article] K. Kobayashi, T. Ohtsuki, K. Slevin (2009)
  • Author(s): Point-Contact Conductance in Asymmetric Chalker-Coddington Network Model
  • Journal Title: J. Phys. Soc. Jpn. (in press)
• [Journal Article] Critical exponent for the quantum Hall transition
  • Author(s): K. Slevin, T. Ohtsuki
  • Journal Title: Phys. Rev. B. Rapid Commun (in press)
• [Presentation] Critical conductance distributions at the localization delocalization transitions (2008)
  • Author(s): T.Ohtsuki
  • Organizer: Delocalization Transition and Multifractality
  • Place of Presentation: Wales, UK
  • Year and Date: 2008-11-04
• [Presentation] Corrections to Scaling and Critical Exponents in the 2D Anderson Transition (2008)
  • Author(s): K. Slevin
  • Organizer: Network models in quantum physics
  • Place of Presentation: Bremen, Germany
  • Year and Date: 2008-07-23
• [Book] 物理学事典 (2009)
  • Author(s): 大槻東巳
  • Total Pages: 232-241,247-256,258-264,289-296
  • Publisher: 講談社ブルーバックス