YASUSADA Nambu 南部保貞

… Alternative Names

NAMBU Yasusada 南部保貞

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Researcher Number	40212112
Other IDs
Affiliation (Current)	2022: 名古屋大学, 理学研究科, 准教授
Affiliation (based on the past Project Information) *help	2016 – 2022: 名古屋大学, 理学研究科, 准教授 2011 – 2015: 名古屋大学, 理学(系)研究科(研究院), 准教授 2009: Nagoya University, 大学院・理学研究科, 准教授 2007 – 2009: Nagoya University, 理学研究科, 准教授 2003 – 2005: 名古屋大学, 大学院・理学研究科, 助教授 1997 – 2001: 名古屋大学, 大学院・理学研究科, 助教授
Review Section/Research Field	Principal Investigator Particle/Nuclear/Cosmic ray/Astro physics / 素粒子・核・宇宙線 / Science and Engineering / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Transformative Research Areas, Section (II)
Keywords	Principal Investigator インフレーション / エンタングルメント / 繰り込み群 / 再加熱 / 非一様宇宙 / inflation / 量子ゆらぎ / wave optics / 量子相関 / inhomogeneous universe … More / back reaction / 多体間エンタングルメント / 量子もつれ / ゲージ不変摂動 / くりこみ群 / パラメータ共鳴 / 宇宙背景輻射 / 平均化ボイド / 光度距離 / ダークエネルギー / 距離 / ダークエネル / entanglement / quantum correlation / detector model / negativity / 量子マスター方程式 / 量子ゆらぎとエンタングルメント / 古典化 / wave scattering / detector / 反作用問題 / アインシュタイン方程式 / 重力崩壊 / 非線形効果 / renormalization group / inflationv / 非一様時空 / 反作用 / 長波長ゆらぎ / 宇宙論的摂動 / gradient expansion / ブラックホール / 光の不安定軌道 / 波動光学 / 干渉と回折 / black hole / photon sphere / ブラックホール時空での波動光学 / 重力レンズ / Regge pole / 情報量 / ディスコード / 原始量子ゆらぎ / モノガミー性 / 量子情報カプセル / 原始ゆらぎの量子性 / ゆらぎの古典性 / インフレーション宇宙 / 量子操作 / 情報スクランブリング Less

Research Projects
(9 results)
Research Products
(73 results)

Entanglement structure and information scrambling in inflationary modelsPrincipal Investigator
- Principal Investigator
  
  南部保貞
- Project Period (FY)
  2022 – 2023
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Nagoya University
Quantumness and multipartite entanglement in primordial fluctuationPrincipal Investigator
- Principal Investigator
  
  南部保貞
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  Nagoya University
宇宙初期ゆらぎの量子性と情報量Principal Investigator
- Principal Investigator
  
  南部保貞
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Nagoya University
Wave optical effect in black hole spacetimesPrincipal Investigator
- Principal Investigator
  
  Nambu Yasusada
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  Nagoya University
Entanglement of primordial fluctuationPrincipal Investigator
- Principal Investigator
  
  YASUSADA Nambu
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  Nagoya University
Cosmological scenario based on inhomogeneous modelsPrincipal Investigator
- Principal Investigator
  
  NAMBU Yasusada
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  Nagoya University
Evolution and simulation of spacetime structure in quantum inflationary universePrincipal Investigator
- Principal Investigator
  
  NAMBU Yasusada
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  Nagoya University
Grant-in Aid for Scientific Research c (2)Principal Investigator
- Principal Investigator
  
  NAMBU Yasusada
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  素粒子・核・宇宙線
- Research Institution
  Nagoya University
宇宙の再加熱時における揺らぎの非線形効果と時空構造Principal Investigator
- Principal Investigator
  
  南部保貞
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  素粒子・核・宇宙線
- Research Institution
  Nagoya University

[Journal Article] Interferomety of black holes with Hawking radiation2022
- Author(s)
  Y. Nambu and S. Noda
- Journal Title
  
  Phys. Rev. D
  
  Volume: 105 Pages: 045022-045022
- DOI
  10.1103/physrevd.105.045022
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03866
[Journal Article] Qubit clock in quantum cosmology2022
- Author(s)
  Y. Nambu
- Journal Title
  
  Universe
  
  Volume: 8 Pages: 99-99
- DOI
  10.3390/universe8020099
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03866
[Journal Article] Tripartite entanglement of Hawking radiation in dispersive model2021
- Author(s)
  Y. Nambu and Y. Osawa
- Journal Title
  
  Phys. Rev. D
  
  Volume: 103 Pages: 125007-125007
- DOI
  10.1103/physrevd.103.125007
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03866
[Journal Article] Squeezing of Primordial Gravitational Waves as Quantum Discord2020
- Author(s)
  A. Matsumura and Y. Nambu
- Journal Title
  
  Universe
  
  Volume: 6 Pages: 33-33
- DOI
  10.3390/universe6020033
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K03866
[Journal Article] Null Wave Front and Ryu-Takayanagi Surface2020
- Author(s)
  Jun Tsujimura and Yasusada Nambu
- Journal Title
  
  Entropy
  
  Volume: 22 Pages: 1297-1297
- DOI
  10.3390/e22111297
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K03866
[Journal Article] Violation of Bell-CHSH Inequalities through Optimal Local Filters in the Vacuum2020
- Author(s)
  Akira Matsumura and Yasusada Nambu
- Journal Title
  
  Quantum Reports
  
  Volume: 2 Pages: 542-559
- DOI
  10.3390/quantum2040038
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K03866
[Journal Article] Quantum Cramer-Rao bound for a massless scalar field in de Sitter space2017
- Author(s)
  R. Marcello and Y. Nambu
- Journal Title
  
  Universe
  
  Volume: 3 Pages: 71-71
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Journal Article] Entanglement dynamics in de Sitter spacetime2017
- Author(s)
  S. Kukita and Y. Nambu
- Journal Title
  
  Classical and Quantum Grav.
  
  Volume: 34 Pages: 235010-235010
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Journal Article] Probability of boundary conditions in quantum cosmology2017
- Author(s)
  H. Suenobu and Y. Nambu
- Journal Title
  
  General Relativity and Gravitation
  
  Volume: 49 Pages: 19-19
- DOI
  10.1007/s10714-017-2185-z
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Journal Article] Harvesting large scale entanglement in de Sitter space with multiple detectors2017
- Author(s)
  S. Kukita and Y. Nambu
- Journal Title
  
  Entropy
  
  Volume: 19 Pages: 449-449
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Journal Article] Analogu Kerr-like geometries in a MHD flow2017
- Author(s)
  S. Noda, Y. Nambu, M. Takahashi
- Journal Title
  
  Proceedings of JGRG26
  
  Volume: -
- Data Source
  KAKENHI-PROJECT-15K05073
[Journal Article] Probability of boundary conditions in quantum cosmology2017
- Author(s)
  Y. Nambu and H. Suenobu
- Journal Title
  
  Journal of Physics: Conference Series
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Journal Article] Analog rotating black hole in a magnetohydrodynamic inflow2017
- Author(s)
  S. Noda, Y. Nambu and M. Takahashi
- Journal Title
  
  Phys. Rev. D
  
  Volume: 95 Pages: 104055-104055
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K05073
[Journal Article] Spherical polytropic balls cannot mimic black holes2016
- Author(s)
  H. Saida, A. Fujiwara, C. Yoo and Y. Nambu
- Journal Title
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 2016
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-15K05073
[Journal Article] Spherical polytropic balls cannot minic black hole2016
- Author(s)
  Hiromi Saida, Atuhito Fujisama, Chul-moon Yoo, Yasusada Nambu
- Journal Title
  
  Prog. Theor. and Exper. Phys,
  
  Volume: ?
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K05073
[Journal Article] Wave optics in black hole spacetimes: the Schwarzschild case2016
- Author(s)
  Yasusada Nambu and Sosuke Noda
- Journal Title
  
  Class. Quantum Grav.
  
  Volume: 33 Pages: 075011-075011
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K05073
[Journal Article] Maximu mass of a barotropic sphericall star2015
- Author(s)
  Atuhito Fujisama,, Hiromi Saida, Chul-moon Yoo, Yasusada Nambu
- Journal Title
  
  Class. Quantum Grav.
  
  Volume: 32 Pages: 215028-215028
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K05073
[Journal Article] Classical and quantum correlation of quantum fluctuation2014
- Author(s)
  南部保貞
- Journal Title
  
  Journal of Physics: Conference Series
  
  Volume: 484 Pages: 112067-112067
- DOI
  10.1088/1742-6596/484/1/012067
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540297
[Journal Article] 「光子の裁判」と宇宙の古典性2014
- Author(s)
  南部保貞
- Journal Title
  
  数理科学
  
  Volume: 1 Pages: 45-50
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540297
[Journal Article] 宇宙初期ゆらぎのエンタングルメント2014
- Author(s)
  南部保貞
- Journal Title
  
  日本物理学会誌
  
  Volume: 11 Pages: 763-770
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540297
[Journal Article] Wave optics and image formation in gravitational lensing2013
- Author(s)
  Y. Nambu
- Journal Title
  
  Journal of Physics Conference Series
  
  Volume: 410 Pages: 12036-12036
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540297
[Journal Article] Viewing black holes by waves2013
- Author(s)
  南部保貞
- Journal Title
  
  Classical and Quantum Gravity
  
  Volume: 30 Pages: 175002-175002
- DOI
  10.1088/0264-9381/30/17/175002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540297
[Journal Article] Entanglement Structure in Expanding Universes2013
- Author(s)
  南部保貞
- Journal Title
  
  Entropy
  
  Volume: 15 Pages: 1847-1874
- DOI
  10.3390/e15051847
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540297
[Journal Article] Wave optics and image formation in gravitational lensing2013
- Author(s)
  Y. Nambu
- Journal Title
  
  Int. J. Astro. Astrophys.
  
  Volume: 3 Pages: 1-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540297
[Journal Article] Classical and Quantum Correlations of Scalar Field in the Inflationary Universe2011
- Author(s)
  Y. Nambu
- Journal Title
  
  Phys. Rev. D
  
  Volume: 84
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540297
[Journal Article] The role of anisotropy in the void models without dark energy2009
- Author(s)
  M.Tanimoto, Y.Nambu, K.Iwata
- Journal Title
  
  arXiv : 0906. 4857[astro-ph. CO] June
- Data Source
  KAKENHI-PROJECT-19540279
[Journal Article] The distance-redshift relation for the inhomogeneous and anisotropic universe2009
- Author(s)
  K. Iwata, Y. Nambu, M. Tanimoto
- Journal Title
  
  Proceedings of JGRG18 18
  
  Pages: 241-244
- Data Source
  KAKENHI-PROJECT-19540279
[Journal Article] The distance-redshift relation for the inhomogeneous and anisotropic universe2008
- Author(s)
  K. Iwata, Y. Nambu, M. Tanimoto
- Journal Title
  
  Proc. 18th workshop of general relativity and gravitation
  
  Pages: 241-244
- Data Source
  KAKENHI-PROJECT-19540279
[Journal Article] Luminosity distance-redshift relation for the LTB solution near the center2007
- Author(s)
  M. Tanimoto and Y. Nambu
- Journal Title
  
  Class. Quantum Grav. 24
  
  Pages: 3843-3857
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540279
[Journal Article] Luminosity distance-redshift relation for the LTB solution near the center2007
- Author(s)
  M. Tanimoto, Y. Nambu
- Journal Title
  
  Class. Quantum Grav. 24
  
  Pages: 3843-3857
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540279
[Journal Article] Evolution of Non-linear Fluctuations in Preheating after Inflation2006
- Author(s)
  Yasusada Nambu, Yohei Araki
- Journal Title
  
  Class.Quantum Grav. 23
  
  Pages: 511-525
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540265
[Journal Article] Evolution of Non-linear Fluctuations in Preheating after Inflation2006
- Author(s)
  南部保貞, 荒木陽平
- Journal Title
  
  Class.Quantum Grav. 23
  
  Pages: 511-525
- Data Source
  KAKENHI-PROJECT-15540265
[Journal Article] Evolution of Non-linear Fluctuations in Preheating after Inflation2006
- Author(s)
  南部保貞, 荒木陽平
- Journal Title
  
  Class. Quantum Grav. 23
  
  Pages: 511-525
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540265
[Journal Article] The separate universe and the backreaction of long lavelength fluctuations2005
- Author(s)
  Yasusada Nambu
- Journal Title
  
  Phys.Rev.D 71
  
  Pages: 84016-84016
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540265
[Journal Article] The separate universe and the backreaction of long wavelength fluctuations2005
- Author(s)
  南部保貞
- Journal Title
  
  Phys. Rev. D 71
  
  Pages: 84016-84016
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540265
[Journal Article] The separate universe and the backreaction of long wavelength fluctuations2005
- Author(s)
  南部保貞
- Journal Title
  
  Phys.Rev.D 71
  
  Pages: 84016-84016
- Data Source
  KAKENHI-PROJECT-15540265
[Presentation] Inteferomety of black holes with Hawking radiation2022
- Author(s)
  Y. Nambu
- Organizer
  ブラックホール磁気圏研究会
- Invited
- Data Source
  KAKENHI-PROJECT-19K03866
[Presentation] 重力がLG不等式の破れに与える影響2021
- Author(s)
  S. Maeda, A. Kaku, Y. Nambu, Y. Osawa
- Organizer
  巨視的量子現象と量子重力
- Invited
- Data Source
  KAKENHI-PROJECT-19K03866
[Presentation] 量子時計と重力2021
- Author(s)
  Y. Nambu
- Organizer
  巨視的量子現象と量子重力
- Invited
- Data Source
  KAKENHI-PROJECT-19K03866
[Presentation] Entanglement partner of super horizon modes2021
- Author(s)
  Yasusada Nambu
- Organizer
  Recent progress in theoretical physics based on quantum information theory
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03866
[Presentation] Multipratite entanglement in black hole evaporation and primordial fluctuations2019
- Author(s)
  Y. Nambu
- Organizer
  Relativistic Quantum Information North (RQI-N 2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03866
[Presentation] インフレーションの数理：原始ゆらぎの量子性2019
- Author(s)
  Y. Nambu
- Organizer
  日本物理学会　（九州大学 )
- Invited
- Data Source
  KAKENHI-PROJECT-19K03866
[Presentation] Quantum circuit model of black hole evaporation2019
- Author(s)
  Y. Nambu
- Organizer
  quantum information and string theory (YITP)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03866
[Presentation] Wave optics in spacetimes with compact gravitating object2019
- Author(s)
  南部保貞
- Organizer
  磁気圏研究会
- Invited
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] Stochastic inflation, entanglement and Bell's inequalities2018
- Author(s)
  Y. Nambu
- Organizer
  Workshop on infrared physics of gauge theories and quantum dynamics of inflation
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Presentation] 波動光学を用いたブラックホールの撮像2018
- Author(s)
  Y. Nambu
- Organizer
  ブラックホール磁気圏研究会
- Invited
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] BZ processとsuperradiance2018
- Author(s)
  南部保貞
- Organizer
  BZ研究会
- Invited
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] カー時空での波動光学の数値計算2017
- Author(s)
  Y. Nambu
- Organizer
  ブラックホール磁気圏研究会
- Place of Presentation
  南紀白浜ホテル三楽荘
- Year and Date
  2017-03-03
- Invited
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] DeSitter時空上の量子もつれの研究2017
- Author(s)
  A. Matsumura and Y. Nambu
- Organizer
  日本物理学会
- Place of Presentation
  大阪大学
- Year and Date
  2017-03-17
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Presentation] Entanglement of primordial fluctuations2017
- Author(s)
  Y. Nambu
- Organizer
  Sendai workshop on quantum information 2017
- Place of Presentation
  東北大学
- Year and Date
  2017-03-14
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Presentation] ブラックホール擬似天体による波の散乱問題とシャドー2017
- Author(s)
  S. Noda, Y. Nambu
- Organizer
  日本物理学会
- Place of Presentation
  大阪大学
- Year and Date
  2017-03-17
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] BZ process と sueprradiance2017
- Author(s)
  Y. Nambu
- Organizer
  BZ研究会
- Invited
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] Probability of boundary conditions in quantum cosmology2016
- Author(s)
  Y. Nambu
- Organizer
  DICE2016
- Place of Presentation
  Italy，Castiglioncello
- Year and Date
  2016-09-12
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Presentation] Kerr時空上の波動光学とパワースペクトルにおけるうなり2016
- Author(s)
  Sousuke Noda and Yasusada Nambu
- Organizer
  日本物理学会
- Place of Presentation
  東北学院大学
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] Quantum entanglement in the deSitter spacetime2016
- Author(s)
  A. Matsumura and Y. Nambu
- Organizer
  Holography and Quantum Information YKIS2016
- Place of Presentation
  YITP
- Year and Date
  2016-06-15
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Presentation] Analogu Kerr-like geometries in a MHD flow2016
- Author(s)
  S. Noda, Y. Nambu, M. Takahashi
- Organizer
  JGRG26
- Place of Presentation
  大阪市立大
- Year and Date
  2016-10-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] DeSitter時空上の量子もつれ2016
- Author(s)
  A. Matsumura and Y. Nambu
- Organizer
  特異点研究会2016
- Place of Presentation
  立教大学
- Year and Date
  2016-12-27
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Presentation] Probability of boundary conditions in quantum cosmology2016
- Author(s)
  Y. Nambu
- Organizer
  Holography and Quantum Information YKIS2016
- Place of Presentation
  YITP
- Year and Date
  2016-06-02
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H01094
[Presentation] Particle limit and superradiance2016
- Author(s)
  Y. Nambu
- Organizer
  M87 Workshop
- Place of Presentation
  台湾大学 ASIAA
- Year and Date
  2016-05-23
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] Wave optics in the Kerr spacetime and black hole shadows2015
- Author(s)
  Sousuke Noda and Yasusada Nambu
- Organizer
  JGRG25
- Place of Presentation
  京都大学
- Year and Date
  2015-12-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] Kerr時空上の波動光学とブラックホールシャドー2015
- Author(s)
  Sousuke Noda and Yasusada Nambu
- Organizer
  日本物理学会
- Place of Presentation
  大阪市立大学
- Year and Date
  2015-09-26
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] Wave optics in the Kerr spacetime and black hole shadows2015
- Author(s)
  Sousuke Noda and Yasusada Nambu
- Organizer
  Hot topics in general relativity and gravitation
- Place of Presentation
  Quy Nhon, Vietnam
- Year and Date
  2015-08-12
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05073
[Presentation] Wave scattering by black holes2014
- Author(s)
  南部保貞
- Organizer
  Black hole 磁気圏勉強会
- Place of Presentation
  熊本大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] Coarse graining approximationを課した量子マスター方程式のもとでの定常状態2014
- Author(s)
  久木田真吾，南部保貞
- Organizer
  量子情報技術研究会
- Place of Presentation
  東北大学
- Year and Date
  2014-11-17
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] CGA master equation and entanglement structure2014
- Author(s)
  久木田真吾，南部保貞
- Organizer
  YITP Workshop on Quantum Information Physics
- Place of Presentation
  京都大学基礎物理学研究所
- Year and Date
  2014-08-08
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] Viewing black holes by waves2013
- Author(s)
  南部保貞
- Organizer
  日本物理学会
- Place of Presentation
  高知大学
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] 初期宇宙とエンタングルメント2013
- Author(s)
  南部保貞
- Organizer
  基研研究会：量子情報物理学
- Place of Presentation
  京都大学基礎物理学研究所
- Invited
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] Viewng Black Holes by Waves2013
- Author(s)
  Y. Nambu
- Organizer
  The 6th workshop on black hole maganetosphere
- Place of Presentation
  清華大学（台湾）
- Invited
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] Entanglement structure in expanding unvierses2012
- Author(s)
  Y. Nambu
- Organizer
  Quantum Vacuum Kawatabi 2012
- Place of Presentation
  東北大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] Black Hole時空におけるwave opticsとblack holeのimaging2012
- Author(s)
  Y. Nambu
- Organizer
  銀河中心ブラックホール2012
- Place of Presentation
  JAXA
- Invited
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] Classical and quantum correlation of quantum fluctuation2011
- Author(s)
  Y. Nambu
- Organizer
  ICGC2011
- Place of Presentation
  India
- Data Source
  KAKENHI-PROJECT-23540297
[Presentation] ボイドモデルにおける非等方性の効果2009
- Author(s)
  K. Iwata, Y. Nambu, M. Tanimoto
- Organizer
  日本物理学会
- Place of Presentation
  立教大学
- Year and Date
  2009-03-30
- Data Source
  KAKENHI-PROJECT-19540279
[Presentation] The distance-redshift relation for the inhomogeneous and anisotropic universe2007
- Author(s)
  K. Iwata, Y. Nambu, M. Tanimoto
- Organizer
  18th workshop of general relativity and gravitation
- Place of Presentation
  広島大学
- Year and Date
  2007-11-17
- Data Source
  KAKENHI-PROJECT-19540279

YASUSADA Nambu 南部 保貞

NAMBU Yasusada 南部 保貞

Research Projects

Research Products

Entanglement structure and information scrambling in inflationary modelsPrincipal Investigator

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Quantumness and multipartite entanglement in primordial fluctuationPrincipal Investigator

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宇宙初期ゆらぎの量子性と情報量Principal Investigator

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Wave optical effect in black hole spacetimesPrincipal Investigator

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Entanglement of primordial fluctuationPrincipal Investigator

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Cosmological scenario based on inhomogeneous modelsPrincipal Investigator

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Evolution and simulation of spacetime structure in quantum inflationary universePrincipal Investigator

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Grant-in Aid for Scientific Research c (2)Principal Investigator

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宇宙の再加熱時における揺らぎの非線形効果と時空構造Principal Investigator

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[Journal Article] Interferomety of black holes with Hawking radiation2022

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[Journal Article] Qubit clock in quantum cosmology2022

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[Journal Article] Tripartite entanglement of Hawking radiation in dispersive model2021

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[Journal Article] Squeezing of Primordial Gravitational Waves as Quantum Discord2020

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[Journal Article] Null Wave Front and Ryu-Takayanagi Surface2020

Author(s)

YASUSADA Nambu 南部保貞

NAMBU Yasusada 南部保貞