小路口暁
しょうじぐちあきら
Research Interest
- 化学反応の近接場光局所励起による制御
- 非エルゴード的化学反応の力学的性質
- 近可積分系の非一様相空間構造の解明
- 近接場光で相互作用するナノメートル寸法の物質の電磁気学的特性
(伝搬光をやりとりする系と近接場光をやりとりする系で何が違うのか?)
Address
- email: shojiguchi(at mark)ki-rin.phys.nara-wu.ac.jp
Photo
論文
- A. Shojiguchi, C.B. Li, T. Komatsuzaki, and M. Toda,
"Fractional behavior in multidimensional Hamiltonian systems describing reactions"
Phys. Rev. E 76, 056205 (2007) PDF
- A. Shojiguchi, C.B. Li, T. Komatsuzaki, and M. Toda,
"Fractional behavior in nonergodic reaction processes of isomerization"
Phys. Rev. E (rapid communications), Vol.75, 035204(R) (2007) PDF
KEYWORDS: 3自由度反応系, Arnold web, sub-diffusion, 1/f-スペクトル,Cantorus
- C.B. Li, A. Shojiguchi, M. Toda, and T. Komatsuzaki,
"Definability of no-return transition states in high energy regime above reaction threshold"
Phys. Rev. Lett. 97, 028302 (2006) PDF
KEYWORDS: 法双曲不変多様対(Normally hyperbolic invariant manifold),遷移状態の安定性、分岐、非線形共鳴、パデ近似
- A. Shojiguchi, C.B. Li, T. Komatsuzaki, and M. Toda,
"Dynamical Foundation and Limitation of Statistical Reaction Theory"
Comm. Nonl. Sci. Num. Simul. Volume 13, Issue 5, July 2008, Pages 857-867 PDF
- C.B. Li, A. Shojiguchi, M. Toda, and T. Komatsuzaki,
"Dynamical Hierarchy in Transition States of Reactions",
Few-Body Systems 38 (2006) 173-179 PDF
- A. Shojiguchi, A. Baba, C.B. Li, T. Komatsuzaki, and M. Toda,
"Wavelet Analysis and Arnold Web Picture for Detecting Energy Transfer in Hamiltonian Dynamical System"
Laser, Phys. (Russia) 16 (2006) 1-9 PDF(gray) PDF(color)
KEYWORDS: Arnold web picture, wavelet transform,intramolecular vibrational energy redistribution
- A. Shojiguchi, T. Tanaka, and M. Okada,
"Estimation of convergence conditions of the Linear CDMA Detection Algorithm Based on Statistical Neurodynamics",
(preprint) PDF
KEYWORDS: code-division multiple-access (CDMA) parallel interference canceler (PIC),statistical neurodynamics, SCSNA analysis, Onsager term
- A. Shojiguchi, T. Tanaka, and M. Okada,
"Linear CDMA Detection Algorithm Based on Statistical Neurodynamics and Belief Propagation and the Stability Conditions",
Prog. Theor. Phys. Suppl. 157 (2005) 258-261 PDF
KEYWORDS: BPSK(two valued)-CDMA channel, parallel interference canceler (PIC), belief propagation,statistical neurodynamics, replica symmetry solutions with the Gaussian prior
- A. Shojiguchi, T. Tanaka, A. Mizutani, T. Mizuno, and M. Okada,
"Improving the performance of linear parallel interference cacellationfor CDMA using a method of the statistical mechanics"
Proceedings. International Symposium on Information Theory(ISIT 2004). PDFweb
KEYWORDS: BPSK(two valued)-CDMA channel, parallel interference canceler (PIC),statistical neurodynamics, Onsager term
- A. Shojiguchi, K. Kobayashi, S. Sangu, K. Kitahara, and M. Ohtsu,
"Superradiance and dipole ordering of an N two-level system"
J. Phys. Soc. Japan 72 (2003) 2984 PDF
KEYWORDS: Nearfield optics, Quantum dots system, Localized photon model,exiton dynamics, Superradiance, tight binding bosson model
- A. Shojiguchi, K. Kobayashi, S. Sangu, K. Kitahara, and M. Ohtsu,
"Superradiant multiple pulses from excitons interacting with optical near fields"
Trans. MRS Japan 28 (2003) 1031
- A. Shojiguchi, K. Kitahara, K. Kobayashi, and M. Ohtsu,
"A method for controlling the spins of atoms using optical near fields"
J. Microscopy 210 (2002) 301 PDF
KEYWORDS: Evanescent field, Carniglia-Mandel modes expansion,Crebsh-Gordon coefficient
- A. Shojiguchi, K. Kobayashi, S. Sangu, K. Kitahara, and M. Ohtsu,
"Coherent dipole oscillation induced by localized photons"
Nonlinear Optics 29 (2002) 563
- S. Sangu, K. Kobayashi, A. Shojiguchi, and M, Ohtsu,
"Logic and functional operations using a near-field optically coupled quantum-dot system"
Phys. Rev. B 69 (2004) 115334 PDF
KEYWORDS: Nearfield optics, Nanooptical switching system, Quantumdots,Yukawa-field model
- S. Sangu, K. Kobayashi, T. Kawazoe, A. Shojiguchi, and M. Ohtsu,
"Quantum-coherence effect in a quantum dot system coupled by opticalnear fields"
Trans. MRS Japan 28 (2003) 1035
- K. Kobayashi, S. Sangu, A. Shojiguchi, T. Kawazoe, K. Kitahara, and M. Ohtsu,
"Excitation dynamics in a three-quantum-dot system driven by optical near-field interaction: towards a nanometric photonic device"
J. Microscopy 210 (2002) 247 PDF
- S. Sangu, K. Kobayashi, A. Shojiguchi, T. Kawazoe, and M, Ohtsu,
"Excitation energy transfer and population dynamics in a quantum dot system induced by optical near-field interaction"
J. Appl. Phys 93 (2002) 2937web
- A.Shojiguchi,
"輸送現象の動力学的構造 - エスケープレートフォーマリズム -" (1996)
PDF
KEYWORDS: hyperbolic dynamical system, Kolmogorov-Sinai entropy, Sinai-Ruelle-Bowen invariant measure, Ruelle-Pollicot resonance, complex spectral theory, Gelfant triplet, escape rate formula
- S,Tasaki and A.Shojiguchi,
"エルゴード古典力学系における相関関数のふるまい -非平衡統計力学の視点から -"
(Lecture note of S. Tasaki at Tokyo Institute of Technology (1995)
物性研究 64-3 (1995) 199 PDF
KEYWORDS: hyperbolic dynamical system, Kolmogorov-Sinai entropy, Sinai-Ruelle-Bowen invariant measure, Ruelle-Pollicot resonance, complex spectral theory, Gelfant triplet, escape rate formula
- A.Shojiguchi,
"Non-equilibrium statistical Mechanics in A Discrete Dynamical system"
(1994) PDF
KEYWORDS: hyperbolic dynamical system, Kolmogorov-Sinai entropy, Sinai-Ruelle-Bowen invariant measure, Ruelle-Pollicot resonance, complex spectral theory, Gelfant triplet, escape rate formula
書籍
- "Theoretical research of interaction between optical near fields and quantum dots"
Progress in Nano Electro-Optics III, M. Ohstu (Ed.)
(Springer-Verlag, New York, 2005)PDF
A. Shojiguchi, K. Kobayashi, S. Sangu, K. Kitahara, and M. Ohtsu
KEYWORDS: 局在光子モデル, 量子ドット,グローバルカップリングとローカルカッ プリング,超放射
- "Theory and Operation Principles of Nanophotonic Functional Devices"
Progress in Nano Electro-Optics V, M. Ohstu (Ed.)
(Springer-Verlag, NewYork, 2006)PDF
S. Sangu, K. Kobayashi, A. Shojiguchi, T. Kawazoe, and M. Ohtsu
KEYWORDS: Nearfield optics, Nanooptical switching system, Quantumdots,Yukawa-field model
国際会議での発表
A. Shojiguchi, C.B. Li, T. Komatsuzaki, and M. Toda,
"Action space structures rule the reaction rate in nonergodic reaction systems",
Symposium on Atoms, Molecules, and Clusters in Intense Laser Fields, Presentation,
(Mar. 11, 2006, Univ. of Tokyo, Japan)
A. Shojiguchi, C.B. Li, T. Komatsuzaki, and M. Toda,
"Investigation of the non-Ergodic effects in chemical reactions by means of the time series analysis",
Complexified Dynamics, Chaos and Tunnelling,
(Aug. 25 to Sept. 1, 2005, Ritsumeikan Univ., Japan)Abstruct in PDF
A. Shojiguchi, C.B. Li, T. Komatsuzaki, and M. Toda,
"Phase Space Inhomogeneity in the potential basin relevant to chemicalreactions",
Telluride Science Research Center 2005 Workshops: Vibrational Dynamicsin Gas and Condensed Phases,
(Aug. 7 to Aug.13, 2005, Telluride,USA) Presentation,
A. Shojiguchi, A. Baba, and T. Komatsuzaki, M. Toda,
"Wavelet Analysis of motion on the Arnold Web",
Telluride Science Research Center 2005 Workshops: Energy Landscapes,Dynamics and Optimization
(Jul. 24 to Aug.6, 2005, Telluride, USA)Presentation,
A. Shojiguchi, A. Baba, and T. Komatsuzaki, M. Toda,
"Time series analysis of motions on the Arnold web",
The fourteenth annual International Laser Physics Workshop (LPHYS'05) Abseruct in PDF, Presentation,
(Jul. 4 to 8, 2005, Kyoto, Japan)
A. Shojiguchi, C.B. Li, T. Komatsuzaki, and M. Toda,
"A study of dynamical process from a well to another using time series analysis",
International Symposium on Atoms, Molecules, and Clusters in Intense Laser Fields 2,
(Jan. 24 to 25, 2005, Univ. of Tokyo, Japan)
A. Shojiguchi, T. Tanaka, A. Mizutani, and M. Okada,
"Enlargement of convergence region of bit error rates of linear parallelinterference cancellation for CDMA"
Statistical Physics of Disordered Systems and its Applications
2004 (July 12 - 15, 2004, Hayama, Japan).Presentation,
KEYWORDS: BPSK(two valued)-CDMA channel,belief propagation, statistical neurodynamics, AT-stability
A. Shojiguchi, T. Tanaka, A. Mizutani, T. Mizuno, and M. Okada,
"Improving the performance of linear parallel interference cacellationfor CDMA using a method of the statistical mechanics"
2004 IEEE International Symposium on Information Theory pp.530 Abstruct in PDF, Presentation,
(June 27 - July 2, 2004, Chicago, USA)
KEYWORDS: BPSK(two valued)-CDMA channel, parallel interference canceler (PIC),statistical neurodynamics, SCSNA analysis,Onsager term
A. Shojiguchi and K. Kitahara,
"Comment on a controlling method of spins of atoms with optical near fields",
The 7th International Conference on Near-field Optics and Related Techniques, pp.155 PDF
(Aug. 2002, Univ. of Rochester, USA)
A. Shojiguchi, K. Kobayashi,S. Sangu, K. Kitahara, and M. Ohtsu,
"Manifestation of an electric dipole order induced by optical near fields",
The 7th International Conference on Near-field Optics and Related Techniques, pp.137 PDF
(Aug. 2002, Univ. of Rochester, USA)
A. Shojiguchi, K. Kobayashi, S. Sangu, K. Kitahara, and M. Ohtsu,
"Excitation transfer by optical near-field interaction",
3RD Asia-Pacific Workshop on Near-field Optics, pp.82
(Dec. 2001, Univ. of Melbourne, Australia)
S. Sangu, K. Kobayashi, A. Shojiguchi, M. Ohtsu,
"Functional operations using a near-field optically coupled quantum-dot system"
(Aug. 2003, IEEE-Nano2003, San Francisco, USA)
S. Sangu, K. Kobayashi, T. Kawazoe, A. Shojiguchi, M. Ohtsu,
"A nanophotonic switch: transient dynamics and switching operation",
2003 Quantum Electronics and Laser Science Conference (QELS 2003)
(Jun. 2003, Baltimore, USA)
S. Sangu, K. Kobayashi, T. Kawazoe, A. Shojiguchi, M. Ohtsu,
"Dynamics of energy transfer in an optically controlled and coupled quantum-dot system",
in Program & Abstracts of the Second International Workshop on Quantum Nonplanar Nanostructures & Nanoelectronics 2002
(Sep. 2002, Tsukuba, Japan)
S. Sangu, K. Kobayashi, A. Shojiguchi, M. Ohtsu,
"Characteristics of relaxation process in an optically coupled quantum-dots system",
in Technical Digest of 2002 Quantum Electronics and Laser Science Conference (QELS 2002)
(May 2002, Long Beach, USA)
国内会議での発表
- A. Shojiguchi, C.B. LI, and T. Komatsuzaki, M. Toda,
"Nonergodicity in HCN isomerization reaction",
The Physical Society of Japan 61th Annual Meeting 2006 Presentation,
(Mar. 27, 2006, Matsuyama, Japan).
- A. Shojiguchi, A. Baba, and T. Komatsuzaki, M. Toda,
"Time series analysis of motion on Arnold web",
The Physical Society of Japan 60th Annual Meeting 2005 Presentation,
(Mar. 27, 2005, Chiba, Japan).
CDMA復調問題
- A. Shojiguchi, T. Tanaka, and M. Okada,
"The connection between the stability of the algorithm of the CDMA detection based on the Belief propagation and the de Almeida-Thouless stability"
Nonlinear Seminar at the laborartory of Complex systems in Tokyo Metropolitan University, Presentation,
(Aug. 2, 2004, Department of Physics, Tokyo Metropolitan University,Japan).
キーワード:線形検出器、ビリーフプロパゲーション、神経統計力学(連想記憶の想起のダイナミクス)
- A. Shojiguchi, T. Tanaka, A. Mizutani, and M. Okada,
"Effect of the Onsager term on convergence region of bit error rates of linear parallel interference cancellation for CDMA"
The Physical Society of Japan 59th Annual Meeting 2004 Abstruct in PDF, Presentation,
(Mar. 30, 2004, Hukuoka, Japan).
キーワード:線形復調機、並列干渉除去、神経統計力学(連想記憶の想起のダイナミクス)、SCSNA解析、オンサーガー項
- A. Shojiguchi, T. Tanaka, A. Mizutani, and M. Okada,
"Improving the performance of the linear parallel interference canceller for CDMA with a method of statistical neurodynamics"
General Conference of Institute of Electronics, Information and Communication Engineers 2004 Abstruct in PDF, Presentation,
(Mar. 22, 2004, Tokyo Institute of Technology, Japan).
履歴
●1999年4月〜2002年7月 国際基督教大学教養学部 非常勤助手・準研究員
●2001年4月〜2001年8月 東京都立航空高等専門学校航空工学科非常勤講師
●2002年5月〜2003年9月 科学技術振興事業団 創造科学技術推進事業(ERATO) 大津局在フォトンプロジェクト研究員
●2003年10月〜2004年8月 東京都立大学大学院工学研究科電気工学専攻 研究員
●2004年9月〜2006年12月 奈良女子大学理学部物理学科 研究員
●2005年4月-2005年9月、2006年4月-2006年9月 滋賀大学教育学部非常勤講師
リンク