Theoretical study of coherent long-time correlations in quantum mechanical transition processes

• Project/Area Number: 17540374
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: 原子・分子・量子エレクトロニクス・プラズマ
• Research Institution: Kitasato University
• Principal Investigator: KOIKE Fumihiro Kitasato University, 医学部, 准教授 (90095505)
• Project Period (FY): 2005 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,100,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥300,000); Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2007: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2006: ¥700,000 (Direct Cost: ¥700,000); Fiscal Year 2005: ¥1,100,000 (Direct Cost: ¥1,100,000)
• Keywords: 計算物理 / 原子 / 分子物理 / 数理物理 / 原子分子物理 / 原子・分子物理

Research Abstract

中間状態の寿命を超える時間相関を論じるためには、寿命や複数のエネルギー準位間のエネルギー差などの精密計算が欠かせないが、コンピューターとソフトウエアの整備によってその環境を整えることができた。
研究の成果は、以降に掲げるようにいくつかの論文に纏められ、量子遷移過程を理解する上で精密な非経験的計算がきわめて重要な役割を果たすこと、そして、時間依存性を取り入れた(Time Dependent な)取り扱い法の開発が重要であることの認識に向けての端緒を示すことができた。

Research Products

• [Journal Article] Time dependent aspects in the ionizations following atomic photoexcitations (2009)
  • Author(s): F. Koike
  • Journal Title: Nucl. Inst. and Meth. B267 Pages: 231-234
  • Peer Reviewed
• [Journal Article] Time dependent aspects in the ionizations following atomic photoexcitations (2009)
  • Author(s): F. Koike
  • Journal Title: Nucl. Inst. and Meth. B 267 Pages: 231-234
  • Peer Reviewed
• [Journal Article] lrregularity of Autoionizing Rydberg Series in Photoionization Leading to the Si3+ 3l States from the Mg-Like Si2+ Ions (2008)
  • Author(s): Dae-Soung Kim, Fumihiro Koike
  • Journal Title: J. Phys. Soc.Jpn. 77
  • Peer Reviewed
• [Journal Article] Excitation and decay dynamics of 1s2s inner-shell doublevacancy states of neon atoms (2008)
  • Author(s): Xiaobin Ding, Chenzhong Dong, Fumihiro Koike Takako Kato, Stephan Fritzsche
  • Journal Title: Chinese Physics B17 Pages: 592-598
  • Peer Reviewed
• [Journal Article] Irregularity of Autoionizing Rydberg Series in Photoionization Leading to the Si3+31 States from the Mg-Like Si2+ Ions (2008)
  • Author(s): Dae-Soung Kim, Fumihiro Koike
  • Journal Title: J. Phys. Soc. Jpn 77
  • Peer Reviewed
• [Journal Article] Photoabsorption and subsequent decay of Na and Mg atoms in the 2s-np autoionizing resonance region (2008)
  • Author(s): T Osawa, Y Tohyama, S Obara, T Nagata, Y Azuma, F Koike
  • Journal Title: J. Phys. B : At. Mol. Opt. Phys 41 Pages: 245206-12
  • Peer Reviewed
• [Journal Article] Excitation and decay dynamics of 1s2s inner-shell double-vacancy states of neon atoms (2008)
  • Author(s): Xiaobin Ding, Chenzhong Dong, Fumihiro Koike, Takako Kato, Stephan Fritzsche
  • Journal Title: Chinese Physics B 17 Pages: 592-598
  • Peer Reviewed
• [Journal Article] MCDF Calculations for EUV-emissions of 4d-open shell ions based on the features of non-local exchange integrals (2007)
  • Author(s): F. Koike and S. Fritzsche
  • Journal Title: J. Phys. Conf. Series 58 Pages: 157-160
  • Peer Reviewed
• [Journal Article] Study of nonradiative decay properties following resonant double excitation to the [1s2p]nln0l0 states of Ne atom using soft X-ray undulator radiation (2007)
  • Author(s): M. Oura,Y. Tamenori,F. Koike, T. Hayaishi,H. Yamaoka,T.Koizumi, K. Takahiro,K. Kawatsura, T. Mukoyama
  • Journal Title: Radiation Physics and Chemistry 76 Pages: 469-474
  • Peer Reviewed
• [Journal Article] Many electron correlations and dynamics in atoms and multi-charged atomic ions (2007)
  • Author(s): Fumihiro Koike, Chenzhong Dong
  • Journal Title: J. Phys. Conf. Series 72
  • Peer Reviewed
• [Journal Article] Relativistic calculations for highly correlated atomic and highly charged ionic systems (2007)
  • Author(s): Fumihiro Koike, Stephan Fritzshce
  • Journal Title: Radiation Physics and Chemistry 76 Pages: 404-411
  • Peer Reviewed
• [Journal Article] 1s(2s2p 1P)2Pnl , 1s(2s3s 3,1S)2Snp , and 1s(2s3p 1P)2Pns K-shell photoexcited Rydberg series of beryllium atoms (2007)
  • Author(s): Fumiko Yoshida, Fumihiro Koike, Satoshi Obara, Yoshiro Azuma, Tetsuo Nagata, Shuichi Hasegawa
  • Journal Title: Phys. Rev. A75
  • Peer Reviewed
• [Journal Article] Study of nonradiative decay properties following resonant double excitation to the [1s2p]nln010 states of Ne atom using soft X-ray undulator radiation (2007)
  • Author(s): M.Oura, Y.Tamenori, F.Koike, T.Hayaishi, H.Yamaoka, T.Koizumi, K.Takahiro, K.Kawatsura, T.Mukoyama
  • Journal Title: Radiation Physics and Chemistry 76 Pages: 469-474
  • Peer Reviewed
• [Journal Article] Many electron correlations and dynamics in atoms and multi-charged atomicions (2007)
  • Author(s): Fumihiro Koike, Chenzhong Dong
  • Journal Title: J.Phys.Conf.Series 72
  • Peer Reviewed
• [Journal Article] 1 (2007)
  • Author(s): Fumiko Yoshida, Fumihiro Koike, Satoshi Obara, Yoshiro Azuma, Tetsuo Nagata, Shuichi Hasegawa
  • Journal Title: Phys.Rev. A75
  • Peer Reviewed
• [Journal Article] Many electron correlations and dynamics in atoms and multi-charged atomic ions (2007)
  • Author(s): Fumihiro Koike, Chenzhong Dong
  • Journal Title: J. Phys. Conf. Series to be published
• [Journal Article] Relativistic calculations for highly correlated atomic and highly charged ionic systems (2007)
  • Author(s): Fumihiro Koike, Stephan Fritzsche
  • Journal Title: Radiation Physics and Chemistry 76 Pages: 404-411
• [Journal Article] MCDF Calculations for EUV-emissions of 4d-open shell ions based on the features of non-local exchange integrals (2007)
  • Author(s): F.Koike, S.Fritzsche
  • Journal Title: J. Phys. Conf. Series 58 Pages: 157-160
• [Journal Article] Photoexcitation of K-shell and L-shell Hollow Beryllium (2006)
  • Author(s): Shuichi Hasegawa, Fumiko Yoshida, Leo Matsuoka, Fumihiro Koike, Stephan Fritzsche, Satoshi Obara, Yoshiro Azuma, and Tetsuo Nagata
  • Journal Title: Phys. Rev. Lett. 97 Pages: 23001-23001
  • Peer Reviewed
• [Journal Article] Accurate calculations of electronic transitions in heavy atomic ions relevant to extreme ultra--violet light sources (2006)
  • Author(s): F. Koike, S.F., K. Nishihara, A. Sasaki, T. Kagawa, T. Nishikawa, K. Fujima, T. Kawamura and H. Furukawa
  • Journal Title: Journal of Plasma and Fusion Research Series 7 Pages: 253-255
  • Peer Reviewed
• [Journal Article] Accurate calculations of electronic transitions in heavy atomic ions relevant to extreme ultra--violet light sources (2006)
  • Author(s): F.Koike, S.F., K.Nishihara, A.Sasaki, T.Kagawa, T.Nishikawa, K.Fujima, T.Kawamura, H.Furukawa
  • Journal Title: Journal of Plasma and Fusion Research Series, Vol. 7 Pages: 253-255
• [Journal Article] Photoexcitation of K-shell and L-shell Hollow Beryllium (2006)
  • Author(s): Shuichi Hasegawa, Fumiko Yoshida, Leo Matsuoka, Fumihiro Koike, Stephan Fritzsche, Satoshi Obara, Yoshiro Azuma, Tetsuo Nagata
  • Journal Title: Phys. Rev. Lett. 97, 023001 (2006) 97 Pages: 23001-23001
• [Journal Article] Many electron correlations and dynamics in atoms and multi-charged atomic ions (2006)
  • Author(s): Fumihiro Koike, Chenzhong Dong
  • Journal Title: J.Phys.B (To be published)
• [Journal Article] Relativistic calculations for highly correlated atomic and highly charged ionic systems (2006)
  • Author(s): Fumihiro Koike, Stephan Fritzsche
  • Journal Title: Radiation Physics and Chemistry (RPCh) (To be published)
• [Journal Article] Split window resonances for the photoionization of spin-orbit coupled subshell states in alkali atoms (2005)
  • Author(s): M. Koide, F. Koike, Y. Azuma and T.Nagata
  • Journal Title: Journal of Electron Spectroscopy and Related Phenomena 144-147 Pages: 55-57
  • Peer Reviewed
• [Journal Article] Multi-electron correlations in atomic or ionic excited states (2005)
  • Author(s): F. Koike, Y. Azuma, S. Hasegawa, T. Nagata and K. Nishihara
  • Journal Title: Journal of Electron Spectroscopy and Related Phenomena 144-147 Pages: 1227-1228
  • Peer Reviewed
• [Journal Article] Split window resonances for the photoionization of spin-orbit coupled subshell states in alkali atoms (2005)
  • Author(s): M.Koide, F.Koike, Y.Azuma, T.Nagata
  • Journal Title: Journal of Electron Spectroscopy and Related Phenomena 144-147 Pages: 55-55
• [Journal Article] Multi-electron correlations in atomic or ionic excited states (2005)
  • Author(s): F.Koike, Y.Azuma, S.Hasegawa, T.Nagata, K.Nishihara
  • Journal Title: Journal of Electron Spectroscopy and Related Phenomena 144-147 Pages: 1227-1227
• [Presentation] TEMPORAL ASPECTS IN ATOMIC IONIZATIONS INITIATED BY ELECTRON OR PHOTON IMPACT (2008)
  • Author(s): F. Koike
  • Organizer: The 4th Conference on Elementary Processes in Atomic Systems (CEPAS)
  • Place of Presentation: Cluj-Napoca Rumania
  • Year and Date: 2008-06-20
• [Presentation] TEMPORAL ASPECTS IN ATOMIC IONIZATIONS INITIATED BY ELECTRON OR PHOTON IMPACT (2008)
  • Author(s): F. Koike
  • Organizer: The 4th Conference on EIementary Processes in Atomic Systems (CEPAS)
  • Place of Presentation: Cluj-Napoca (Rumania)
  • Year and Date: 2008-06-20
• [Presentation] Photoabsorption Spectra of Calsium 3p Multiple Shakeup Resonances (2007)
  • Author(s): M. Koide, F. Koike et.al
  • Organizer: The 25th International Conference on Photonic, Electronic, and Atomic Collisions
  • Place of Presentation: Freiburg, Germany
  • Year and Date: 2007-07-24
• [Presentation] Photoabsorption Spectra of Calsium 3p Multiple Shakeup Resonances. (2007)
  • Author(s): M.Koide, F.Koike, et. al.
  • Organizer: The 25^<th> International Conference on Photonic, Electronic, and Atomic Collisions
  • Place of Presentation: Freiburg,Germany
  • Year and Date: 2007-07-24
• [Presentation] Time Evolution of L-S Coupling Phase in Photon-Impact Induced Autoionizing States (2006)
  • Author(s): F. Koike and M. Koide
  • Organizer: The 20th International Conference on Atomic Physics
  • Place of Presentation: Insbruck, Austria
  • Year and Date: 2006-07-20