yamahata gento 山端元音

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山端元音ヤマハタゲント

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Researcher Number	00751702
Affiliation (Current)	2025: 日本電信電話株式会社NTT物性科学基礎研究所, フロンティア機能物性研究部, 特別研究員
Affiliation (based on the past Project Information) *help	2020 – 2022: 日本電信電話株式会社NTT物性科学基礎研究所, フロンティア機能物性研究部, 特別研究員 2019: 日本電信電話株式会社NTT物性科学基礎研究所, 量子電子物性研究部, 主任研究員 2018: 日本電信電話株式会社NTT物性科学基礎研究所, 量子電子物性研究部, 研究主任
Review Section/Research Field	Except Principal Investigator Broad Section D / Medium-sized Section 28:Nano/micro science and related fields
Keywords	Except Principal Investigator 電気標準 / 量子ホール / 量子計測三角形 / 単電子 / ジョセフソンデバイス / 半導体ナノデバイス / 電流標準 / 量子電気標準 / ジョセフソン電圧標準 / 量子ホール抵抗標準 / 単電子電流標準 / 単電子デバイス

単電子制御による量子標準・極限計測技術の開発
- Principal Investigator
  
  Fujiwara Akira
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 28:Nano/micro science and related fields
- Research Institution
  NTT Basic Research Laboratories
Quantum Standards and Ultimate Precision Measurements Based on Single Electrons
- Principal Investigator
  
  Fujiwara Akira
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Review Section
  
  Broad Section D
- Research Institution
  NTT Basic Research Laboratories

All 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] Understanding the mechanism of tunable-barrier single-electron pumping: Mechanism crossover and optimal accuracy2021
- Author(s)
  Yamahata Gento、Johnson Nathan、Fujiwara Akira
- Journal Title
  
  Physical Review B
  
  Volume: 103 Issue: 24 Pages: 245306-245306
- DOI
  10.1103/physrevb.103.245306
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H05258
[Journal Article] Realisation of a quantum current standard at liquid helium temperature with sub-ppm reproducibility2020
- Author(s)
  P Giblin Stephen、Mykkanen Emma、Kemppinen Antti、Immonen Pekka、Manninen Antti、Jenei M、Mottonen Mikko、Yamahata Gento、Fujiwara Akira、Kataoka Masaya
- Journal Title
  
  Metrologia
  
  Volume: 57 Issue: 2 Pages: 025013-025013
- DOI
  10.1088/1681-7575/ab72e0
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Journal Article] Picosecond coherent electron motion in a silicon single-electron source2019
- Author(s)
  Yamahata Gento、Ryu Sungguen、Johnson Nathan、Sim H.-S.、Fujiwara Akira、Kataoka Masaya
- Journal Title
  
  Nature Nanotechnology
  
  Volume: 14 Issue: 11 Pages: 1019-1023
- DOI
  10.1038/s41565-019-0563-2
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Journal Article] Measurement of the curvature and height of the potential barrier for a dynamic quantum dot2019
- Author(s)
  Johnson N.、Yamahata G.、Fujiwara A.
- Journal Title
  
  Applied Physics Letters
  
  Volume: 115 Issue: 16 Pages: 162103-162103
- DOI
  10.1063/1.5120585
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H05258
[Journal Article] Evidence for universality of tunable-barrier electron pumps2019
- Author(s)
  Giblin Stephen P、Fujiwara Akira、Yamahata Gento、Bae Myung-Ho、Kim Nam、Rossi Alessandro、Mottonen Mikko、Kataoka Masaya
- Journal Title
  
  Metrologia
  
  Volume: 56 Issue: 4 Pages: 044004-044004
- DOI
  10.1088/1681-7575/ab29a5
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] シリコン２重単電子ポンプにおける単電子クーロン衝突2023
- Author(s)
  山端元音、Nathan Johnson、藤原聡
- Organizer
  第70回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Ultimate electronics using silicon single-eletron devices2022
- Author(s)
  A. Fujiwara, G. Yamahata, N. Johnson, C. Kensaku, and K. Nishiguchi
- Organizer
  韓国標準研KRISSセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Electron dynamics in a silicon quantum-dot single-electron pump2022
- Author(s)
  A. Fujiwara, G. Yamahata, and N. Johnson
- Organizer
  東大LIMMSトピカルセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Device simulator for optimal design of silicon single-electron pumps2022
- Author(s)
  A. Fujiwara, G. Yamahata, N. Johnson
- Organizer
  Conference on Precision Electromagnetic Measurements (CPEM 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Electron manipulation using a silicon dynamic quantum dot2022
- Author(s)
  [A. Fujiwara, G. Yamahata, N. Johnson,
- Organizer
  Workshop for the single-electron quantum technology
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Progress of silicon single-electron pumps towards quantum current standards2021
- Author(s)
  M. Kataoka, S. P. Giblin, G. Yamahata, and A. Fujiwara
- Organizer
  Institute of Physics (IOP) Silicon Quantum Information Processing Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Optimal accuracy of single-electron pumping using a dynamic quantum dot2021
- Author(s)
  G. Yamahata, N. Johnson, and A. Fujiwara
- Organizer
  International Symposium on Novel maTerials and quantum Technologies (ISNTT2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Fast electron dynamics in a silicon dynamic quantum dot2021
- Author(s)
  A. Fujiwara, G. Yamahata, N. Johnson, S. Ryu, H-S. Sim, and M. Kataoka
- Organizer
  The International Workshop on Computational Nanotechnology (IWCN)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Electron dynamics and device simulation of silicon single-electron pumps2021
- Author(s)
  A.Fujiwara, G. Yamahata, N. Johnson
- Organizer
  Single-Electron Quantum Optics for Metrology Workshop (SEQUOIA Meeting)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] 動的量子ドットを利用した単電子転送の精度最適点2021
- Author(s)
  山端元音, Nathan Johnson, 藤原聡
- Organizer
  第68回応用物理学会春季学術講演会オンライン開催, 2021年3月
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Observation of single particle heat transport and cooling in a dynamic quantum dot2021
- Author(s)
  N. Johnson, V. Kashcheyevs, A. Akmentins , G. Yamahata, and A. Fujiwara
- Organizer
  Quantum Dot Day 2021 (Virtual Conference , Mar. 29, 2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Toward a practical quantum current standard2020
- Author(s)
  A. Kemppinen, E. Mykkanen, J. Lehtinen, A. Ronzani, A. Bera, K. Kohopaa, J. Govenius, P. Immonen, A. Manninen, M. Prunnila, S. Giblin, M. Kataoka, S. de Graaf, T. Hoenigl-Decrinis, R. Shaikhaidarov, G. Yamahata, A. Fujiwara, M. Jenei, and, M. Mottonen,
- Organizer
  QTech2020 (Barcelona, Apr. 6-8, 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Directly Comparing the Current from Two Electron Pumps2020
- Author(s)
  S. P. Giblin, G. Yamahata, A. Fujiwara, P. See, J. P. Griffiths, G. A. C. Jones, I Farrer, D. A. Ritchie, and M. Kataoka
- Organizer
  2020 Conference on Precision Electromagnetic Measurements (CPEM 2020) (Denver, August 24-28, 2020, held as a virtual conference)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Fast electron dynamics in a silicon dynamic quantum dot2020
- Author(s)
  A. Fujiwara, G. Yamahata, N. Johnson, S. Ryu, H-S. Sim, and M. Kataoka
- Organizer
  Int. Workshop on Cool Electrons in Flatlands (CEF2020) (June 15-24, 2020, Catania, Italy, held as a virtual workshop)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Observation of cooling in a dynamic quantum dot2019
- Author(s)
  N. Johnson, G. Yamahata, and A. Fujiwara
- Organizer
  International School and Symposium on Nanoscale Transport and phoTonics (ISNTT2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] シリコン単電子源におけるピコ秒電子ダイナミクス2019
- Author(s)
  山端元音, Sungguen Ryu, Nathan Johnson, H. -S. Sim, 藤原　聡, 片岡　真哉
- Organizer
  2019年第80回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Effective time-resolved detection of picosecond coherent dynamics in a Si dynamic quantum dot2019
- Author(s)
  G. Yamahata, S. Ryu, N. Johnson, H-S. Sim, A. Fujiwara, and M. Kataoka
- Organizer
  The International School and Symposium on Nanoscale Transport and phoTonics (ISNTT2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Study of quantisation accuracy breakdown due to high temperature and high frequency in a silicon single-electron pump2018
- Author(s)
  N. Johnson, G. Yamahata, and A. Fujiwara
- Organizer
  2018 International Conference on Solid State Devices and Materials (SSDM)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Coherent oscillations of charge states in a Si single-electron pump2018
- Author(s)
  G. Yamahata, M. Kataoka, S. Ryu, H.-S. Sim, N. Johnson, and A. Fujiwara, Coherent oscillations of charge states in a Si single-electron pump
- Organizer
  2018 International Conference on Solid State Devices and Materials (SSDM)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258
[Presentation] Tunable-barrier electron pump for quantum current standards and information-to-energy converters2018
- Author(s)
  A. Fujiwara, G. Yamahata, K. Chida, and K. Nishiguchi
- Organizer
  China-Japan International Workshop on Quantum Technologies (QTech2018)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05258

1. Fujiwara Akira (70393759)

# of Collaborated Projects: 2 results

# of Collaborated Products: 25 results
2. 金子晋久 (30371032)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. 島田宏 (60216067)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 中村秀司 (70613991)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

yamahata gento 山端 元音

山端 元音 ヤマハタ ゲント

Research Projects

Research Products

Co-Researchers

単電子制御による量子標準・極限計測技術の開発

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Quantum Standards and Ultimate Precision Measurements Based on Single Electrons

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Understanding the mechanism of tunable-barrier single-electron pumping: Mechanism crossover and optimal accuracy2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Realisation of a quantum current standard at liquid helium temperature with sub-ppm reproducibility2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Picosecond coherent electron motion in a silicon single-electron source2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Measurement of the curvature and height of the potential barrier for a dynamic quantum dot2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Evidence for universality of tunable-barrier electron pumps2019

Author(s)

Journal Title

DOI

Data Source

[Presentation] シリコン２重単電子ポンプにおける単電子クーロン衝突2023

Author(s)

Organizer

Data Source

[Presentation] Ultimate electronics using silicon single-eletron devices2022

Author(s)

Organizer

Data Source

[Presentation] Electron dynamics in a silicon quantum-dot single-electron pump2022

Author(s)

Organizer

Data Source

[Presentation] Device simulator for optimal design of silicon single-electron pumps2022

Author(s)

Organizer

Data Source

[Presentation] Electron manipulation using a silicon dynamic quantum dot2022

Author(s)

Organizer

Data Source

[Presentation] Progress of silicon single-electron pumps towards quantum current standards2021

Author(s)

Organizer

Data Source

[Presentation] Optimal accuracy of single-electron pumping using a dynamic quantum dot2021

Author(s)

Organizer

Data Source

[Presentation] Fast electron dynamics in a silicon dynamic quantum dot2021

Author(s)

Organizer

Data Source

[Presentation] Electron dynamics and device simulation of silicon single-electron pumps2021

Author(s)

Organizer

Data Source

[Presentation] 動的量子ドットを利用した単電子転送の精度最適点2021

Author(s)

yamahata gento 山端元音

山端元音ヤマハタゲント