YAMASHITA Yasufumi 山下靖文

… Alternative Names

山下靖文ヤマシタヤスフミ

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Researcher Number	50390646
Affiliation (Current)	2025: 日本大学, 工学部, 准教授
Affiliation (based on the past Project Information) *help	2010: 分子科学研究所, 理論・計算分子科学研究領域, 助教 2007: 分子科学研究所, 理論・計算分子科学研究領域, 助教 2005 – 2006: 分子科学研究所, 理論分子科学研究系, 助手
Review Section/Research Field	Except Principal Investigator Condensed matter physics II / Science and Engineering
Keywords	Except Principal Investigator 絶縁体金属転移 / 光誘起相転移 / 時間依存量子発展方程式 / 交互積層型電荷移動錯体 / 中性イオン性相転移 / ハロゲン架橋金属錯体 / 量子常誘電体 / イオン性中性相転移 / 有機電荷移動錯体 / コヒーレントフォノン … More / 電荷秩序融解転移 / 光誘起融解 / 光誘起絶縁体金属転移 / 逆スピンパイエルス転移 / 量子相転移 / 電子格子相互作用 / 電荷秩序 / Coherent Phonon / Insulator-Metal Transition / Charge Order Melting Transition / Photoinduced Phase Transition / Quantum Phase Transition / Quantum Paraelectric Phase / Ionic-Neutral Phase Transition / Organic Charge-Transfer Salt / モンテカルロ計算 / 電荷密度波電荷分極相転移 / スピンクロスオーバー錯体 / ハロゲン架橋白金錯体 / 超高速緩和現象 / 非線型光学応答 / 量子イジングモデル / チタン酸化物 / 巨大誘電応答 / 量子BEGモデル / バレット公式 / 量子常誘電相 / ブルーム・エメリー・グリフィス / パイエルス・ハバード / 電歪効果 / 多重臨界点 / 光誘起緩和現象 / マスター方程式 / 強誘電転移 / 両極的電界効果特性 / 仕事関数差 / ショットキー障壁 / 電界効果トランジスタ / 光誘起逆スピン・バイエルス転移 / アルカリTCNQ / 電荷移動揺らぎ / スピン・パイエルス転移 / 分子性導体 / 集団運動 / 整流作用 / 仕事関数 / 金属絶縁体界面 / 長距離クーロン相互作用 / スピン電荷結合 / 光誘起ポーラロン / 過渡スペクトル / 緩和過程 / 反強誘電転移 / 中性イオン性転移 / フラストレーション / コヒーレント振動 / 絶縁破壊 / 量子干渉 / クーロン相互作用 / 有機導体 / 分子性固体 Less

Theory for Photoinduced Phase Transition Dynamics in Molecular Low-Dimensional Conductors
- Principal Investigator
  
  YONEMITSU Kenji
- Project Period (FY)
  2007 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Institute for Molecular Science
極限環境下の分子性導体における集団的な電荷ダイナミクスの理論
- Principal Investigator
  
  米満賢治
- Project Period (FY)
  2003 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Institute for Molecular Science
  Okazaki National Research Institutes
Photoinduced Phase Transitions and Nonequilibrium Order Formation in Molecular Materials
- Principal Investigator
  
  YONEMITSU Kenji
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Institute for Molecular Science
  Okazaki National Research Institutes

All 2009 2008 2007 2006 2005

All Journal Article Presentation

[Journal Article] Mott Insulating State in a Quarter-Filled Two-Orbital Hubbard Chain with Different Bandwidths2009
- Author(s)
  S.Miyashita, Y.Yamashita, K.Yonemitsu, A.Koga, N.Kawakami
- Journal Title
  
  J.Phys.: Conf.Ser. 150
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540381
[Journal Article] Modified Barrett Formula near the Neutral-Ionic Quantum Phase Transition2008
- Author(s)
  Y. Yamashita, K. Yonemitsu
- Journal Title
  
  J. Phys. : Conf. Ser. 132
  
  Pages: 12019-12019
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540381
[Journal Article] Modified Barrett Formula near the Neutral-Ionic Quantum Phase Transition2008
- Author(s)
  Y.Yamashita, K.Yonemitsu
- Journal Title
  
  J.Phys.: Conf.Ser. 132
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540381
[Journal Article] Modified Barrett Formula near the Neutral-Ionic Quantum Phase Transition2008
- Author(s)
  Y. Yamashita, K. Yonemitsu
- Journal Title
  
  Journal of Physics : Conference Series 132
  
  Pages: 12019-12019
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15073224
[Journal Article] Quantum Ising Model Coupled with Conducting Electrons2005
- Author(s)
  Y.Yamashita, K.Yonemitsu
- Journal Title
  
  Journal of Physics : Conference Series 21
  
  Pages: 232-236
- Data Source
  KAKENHI-PROJECT-15073224
[Journal Article] Quantum Ising Model Coupled with Conducting Electrons2005
- Author(s)
  Y.Yamashita, K.Yonemitsu
- Journal Title
  
  Journal of Physics : Conference Series 21
  
  Pages: 232-236
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540354
[Journal Article] Quantum Ising Model Coupled with Conducting Electrons2005
- Author(s)
  Y. Yamashita, K. Yonemitsu
- Journal Title
  
  Journal of Physics : Conference Series 21
  
  Pages: 232-236
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15073224
[Presentation] Photoinduced Charge Dynamics in Organic Conductors and Coherent Neutral-Ionic/Polarization Dynamics in Quantum Paraelectrics2008
- Author(s)
  K. Yonemitsu, N. Maeshima, Y. Yamashita
- Organizer
  International Symposium on Molecular Conductors 2008 “Novel Functions of Molecular Conductors under Extreme Conditions"
- Place of Presentation
  Okazaki (Japan)
- Year and Date
  2008-07-25
- Data Source
  KAKENHI-PROJECT-15073224
[Presentation] Photoinduced Charge Dynamics in Organic Conductors and Coherent Neutral-Ionic/Polarization Dynamics in Quantum Paraelectrics2008
- Author(s)
  K. Yonemitsu, N. Maeshima, Y. Yamashita
- Organizer
  International Symposium on Molecular Conductors 2008 "Novel Functions of Molecular Conductors under Extreme Conditions"
- Place of Presentation
  Okazaki (Japan)
- Year and Date
  2008-07-25
- Data Source
  KAKENHI-PROJECT-19540381
[Presentation] 中性-イオン性転移近傍の量子常誘電性と量子フォノン2007
- Author(s)
  山下靖文, 米満賢治
- Organizer
  日本物理学会2007年春季大会
- Place of Presentation
  鹿児島
- Data Source
  KAKENHI-PROJECT-15073224
[Presentation] 中性イオン性量子相転移近傍の量子常誘電性と電荷移動揺らぎ2006
- Author(s)
  山下靖文, 米満賢治
- Organizer
  日本物理学会第61回年次大会
- Place of Presentation
  松山
- Data Source
  KAKENHI-PROJECT-15073224
[Presentation] フォトドープされたSrTiO_3の誘電率とキャリア易動度に関する理論2005
- Author(s)
  山下靖文, 米満賢治
- Organizer
  日本物理学会第60回年次大会
- Place of Presentation
  野田
- Data Source
  KAKENHI-PROJECT-15073224

1. YONEMITSU Kenji (60270823)

# of Collaborated Projects: 3 results

# of Collaborated Products: 12 results
2. 岸根順一郎 (80290906)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. TANAKA Yasuhiro (50541801)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

YAMASHITA Yasufumi 山下 靖文

山下 靖文 ヤマシタ ヤスフミ

Research Projects

Research Products

Co-Researchers

Theory for Photoinduced Phase Transition Dynamics in Molecular Low-Dimensional Conductors

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

極限環境下の分子性導体における集団的な電荷ダイナミクスの理論

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Photoinduced Phase Transitions and Nonequilibrium Order Formation in Molecular Materials

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Mott Insulating State in a Quarter-Filled Two-Orbital Hubbard Chain with Different Bandwidths2009

Author(s)

Journal Title

Data Source

[Journal Article] Modified Barrett Formula near the Neutral-Ionic Quantum Phase Transition2008

Author(s)

Journal Title

Data Source

[Journal Article] Modified Barrett Formula near the Neutral-Ionic Quantum Phase Transition2008

Author(s)

Journal Title

Data Source

[Journal Article] Modified Barrett Formula near the Neutral-Ionic Quantum Phase Transition2008

Author(s)

Journal Title

Data Source

[Journal Article] Quantum Ising Model Coupled with Conducting Electrons2005

Author(s)

Journal Title

Data Source

[Journal Article] Quantum Ising Model Coupled with Conducting Electrons2005

Author(s)

Journal Title

Description

Data Source

[Journal Article] Quantum Ising Model Coupled with Conducting Electrons2005

Author(s)

Journal Title

Data Source

[Presentation] Photoinduced Charge Dynamics in Organic Conductors and Coherent Neutral-Ionic/Polarization Dynamics in Quantum Paraelectrics2008

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Photoinduced Charge Dynamics in Organic Conductors and Coherent Neutral-Ionic/Polarization Dynamics in Quantum Paraelectrics2008

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] 中性-イオン性転移近傍の量子常誘電性と量子フォノン2007

Author(s)

Organizer

Place of Presentation

Data Source

[Presentation] 中性イオン性量子相転移近傍の量子常誘電性と電荷移動揺らぎ2006

Author(s)

Organizer

Place of Presentation

Data Source

[Presentation] フォトドープされたSrTiO_3の誘電率とキャリア易動度に関する理論2005

Author(s)

Organizer

Place of Presentation

Data Source

YAMASHITA Yasufumi 山下靖文

山下靖文ヤマシタヤスフミ