Publications

Peer-Reviewed Journals

  1. M. Hiyama, M. Shiga, N. Koga, O. Sugino, H. Akiyama, Y. Noguchi: Effect of dynamical fluctuations of hydration structures on the absorption spectra of oxyluciferin anions in aqueous solution Phys. Chem. Chem. Phys., 19, 10028-10035 (2017)
  2. M. Hiyama, H. Akiyama, N. Koga: Theoretical insights into the effect of pH values on oxidation processes in the emission of firefly luciferin in aqueous solution Luminescence: The Journal of Biological and Chemical Luminescence, in press
  3. Y. Noguchi, M. Hiyama, M. Shiga, O. Sugino, H. Akiyama: Reverse Stability of Oxyluciferin Isomers in Aqueous Solutions J. Phys. Chem. B, 120, 8776-8783 (2016)
  4. M. Hiyama, Y. Noguchi, H. Akiyama, K. Yamada, N. Koga: Vibronic structures in absorption and fluorescence spectra of firefly oxyluciferin in aqueous solutions Photochem. Photobiol., 91, 819-827 (2015)
  5. Y. Noguchi, M. Hiyama, H. Akiyama, Y. Harada, N. Koga: First-Principles Investigation of Strong Excitonic Effects in Oxygen 1s X-Ray Absorption Spectra J. Chem. Theo. Compt. 11, 1668-1673 (2015)
  6. M. Hiyama, T. Mochizuki, H. Akiyama, N. Koga: Analysis of Oxyluciferin Photoluminescence Pathways in Aqueous Solutions Photochem. Photobiol., 91,74-83 (2015)
  7. Y. Noguchi, M. Hiyama, H. Akiyama, N. Koga: First-Principles Investigation on Rydberg excitations of Firefly Lu- ciferin Anion in Vacuum. J. Chem. Phys. 141, 044309 (2014)
  8. T. Mochizuki, Y. Wang, M. Hiyama, H. Akiyama: Temperature-Sensitive Quantum Yields and Quantitative Spectra of Firefly Bioluminescence. Appl. Phys. Lett. 104, 213704 (2014)
  9. M. Hiyama, H. Akiyama, T. Mochizuki, K. Yamada, N. Koga: Analysis of Photoexcitation Energy Dependence in the Photo Luminescence of Firefly Luciferin. Photochem. Photobiol.,90, 820-828 (2014)
  10. M. Hiyama, H. Akiyama, K. Yamada, N. Koga: Theoretical Study of Fluorescence Spectra Utilizing the pKa Values of Acids in Their Excited States. Photochem. Photobiol., 90,35-44 (2014)
  11. M. Hiyama, K. Yamada, T. Mochizuki, H. Akiyama, N. Koga: Theoretical study of pH dependence on photoluminescence of firefly luciferin. Luminescence 29, 70 (2014)
  12. H. Akiyama, Y. Wang, M. Hiyama, T. Mochizuki, K. Terakado, T. Nakatsu: How can quantitative bioluminescence and in-situ fluorescence of firefly oxyluciferin in luciferase be compared with theoretical calculations? Luminescence 29, 7 - 8 (2014)
  13. Y. Noguchi, M. Hiyama, H. Akiyama, K. Koga: First-Principles Investigation on Optical Properties of Firefly Luciferin Anion. Luminescence 29, 86 - 87 (2014)
  14. Y. Kajima, S. Ogata, R. Kobayashi, M. Hiyama, T. Tamura, Fluctuation Local Recrystallization of Quati-Luquid Layer of Sub-micrometer- scaled Ice: A Molecular Dynamics Study. J. Phys. Soc. Japan, 83, 083601-1 - 083601-4 (2014)
  15. M. Hiyama, H. Akiyama, Y. Wang, N. Koga: Theoretical Study of Oxyuciferin pKa Values; Relative Absorption Intensity in Aqueous Solutions. Chem. Phys. Lett., 577, 121-126 (2013)
  16. M. Hiyama, H. Akiyama, K. Yamada, N. Koga: Theoretical Study of Firefly Luciferin pKa Values - Relative Absorption Intensity in Aqueous Solutions. Photochem. Photobiol., 89, 571-578 (2013)
  17. Y. Kajima, M. Hiyama, S. Ogata, T. Tamura, R. Kobayashi: Fast Time-Reversible Molecular Dynamics Algorithm for Rigid-Body Systems. J. Chem. Phys. 136, 234105-1-234105-8 (2012)
  18. M. Hiyama, H. Akiyama, K. Yamada, N. Koga: Theoretical Study of Absorption and Fluorescence Spectra of Firefly Luciferin. Photochem. Photobiol., 88, 889-898 (2012)
  19. M. Hiyama, N. Koga: Theoretical study of electron transfer in Rhodobacter sphaeroides reaction center. Photochem. Photobiol., 87, 1297-1307 (2011)
  20. Y. Kajima, M. Hiyama, S. Ogata, T. Tamura: Exactly Time-Reversible Molecular Dynamics Algorithm for Rigid-Body Systems, J. Phys. Soc. Japan, 80, 114002-1 - 114002-7 (2011)
  21. M. Hiyama, T. Kinjo, S-A. Hyodo: Angular Momentum Form of Verlet Algorithm for Rigid Molecules, J. Phys Soc. Japan, 77, 064001-1 - 064001-12 (2008)
  22. M. S. Child, M. Hiyama: On the Choice of basis functions to eliminate false roots of the quantization condition in quantum defect theory, J. Phys., B40, 1233-1244 (2007)
  23. M. Hiyama, N. Kosugi: Application of R matrix / MQDT method to valence and core excitations in NO, J. Phys. B39, 1797-1811 (2006)
  24. M. Hiyama, N. Kosugi: Ab initio R-Matrix/Multi-channel quantum defect theory applied to molecular core excitation and ionization, J. Electron Spectroscopy and Related Phenomena, 144-147, 1223-1226 (2005)
  25. S. Masuda, T. Gejo, M. Hiyama, N. Kosugi: Vibronic couplings in the C 1s-Rydberg and valence excitations of C2H2, revealed by angle-resolved photoion yield spectroscopy, J. Electron Spectroscopy and Related Phenomena, 144-147, 215-218 (2005)
  26. M. Hiyama, N. Kosugi: Ab initio R-Matrix/Multi-channel Quantum Defect Theory Approach to Study Molecular Core Excitation and Ionization: GSCF4R, J. Theoretical and Computational Chemistry, 4, 35-47 (2005)
  27. M. Hiyama, N. Kosugi: Ab initio R-Matrix/MQDT method for near-edge x-ray absorption fine structure, Physica. Scripta, T115, 136-139 (2005)
  28. M. Hiyama, M. S. Child: Ab initio R-matrix/ MQDT study of nitric oxide II. Analysis of valence/ Rydberg interactions, J. Phys., B36 4547-4559 (2003)
  29. M. Hiyama, K. Someda: Photoelectron spectra in intense laser fields: The effect of resonance with autoionizing Rydberg states, Physical Review, A68, 043402-1 ? 043402-8 (2003)
  30. M. Hiyama, M. S. Child: Ab initio R-matrix/ multichannel quantum defect theory study of nitric oxide, J. Phys. B35, 1337-1351 (2002)
  31. M. Hiyama, M. S. Child: Computation of negative energy Coulomb functions, J. Phys., B34, 3935-3950 (2001)
  32. M. Hiyama, K. Someda: Stabilization of diatomic molecules against ionization in intense laser fields: Effects of overlapping resonance, Physical Review, A61, 023411-1-023411-8 (2000)
  33. M. Hiyama, K. Someda: Ionization of atoms in intense laser fields. Strong mixing of auto- and photoionizations, Chem. Phys. Lett., 287, 613-619 (1998)
  34. M. Hiyama, N. Kosugi, H. Nakamura: Characteristics and dynamics of superexcited states of diatomic molecules: General theoretical procedure, J. Chem. Phys. 107,9379-9381 (1997)
  35. M. Hiyama, H. Nakamura: Two-center Coulomb functions, Comp. Phys. Comm., 103, 209 - 216 (1997)
  36. M. Hiyama, H. Nakamura: Gaussian expansions of the two-center Coulomb functions, Comp. Phys. Comm., 103, 197-208 (1997)
  37. M. Hiyama, H. Nakamura: Superexcited states of CO near the first ionization threshold, Chem. Phys. Lett., 248, 316-320 (1996)
  38. M. Hiyama, S. Iwata: Theoretical assignment of the vibronic bands in the photoelectron spectra of N2 below 30 eV, Chem. Phys. Lett., 211, 319-327 (1993)
  39. M. Hiyama, S. Iwata: Assignment of the photoelectron spectrum of HCl above 20 eV, Chem. Phys. Lett., 210, 187-192 (1993)
  40. M. Hiyama, S. Nanbu, S. Iwata: The excimer emission spectra and the interaction potential energy of the ground and excited states of He and alkali metal systems, Chem. Phys. Lett. 192, 443-450 (1992)

Review

  1. L. Pichl, M. Hiyama, H. Nakamura: Analytical Treatment of the K matrix Integral Equation in the Dynamics of Superexcited Molecules, Dissociative Recombination of Molecular Ions with Electrons, (edited by S. L. Guberman, Kluwer Academic/Plenum Publishers) 167-176 (2003)
  2. M. Hiyama, H. Nakamura: Characteristics and Dynamics of Superexcited States of Diatomic Molecules, Structure and Dynamics of Electronic Excited States, (edited by J. Laane, H. Takahashi, A. Bandrauk, Springer-Verlag) 296-317 (1998)
  3. M. Hiyama, H. Nakamura: Characteristics and Dynamics of Superexcited States of CO, Dissociative Recombination: Theory, Experiment and Applications III, (edited by D. Zaifman, J. B. A. Mitchell, D. Schwalm, and B. R. Rowe, World Scientific), 212-215 (1995)