論文

論文リスト

• 甲賀研一郎
• 墨智成
• 岡本隆一

 

主な論文

•  “New” Note on the Calculation of the Second Osmotic Virial Coefficient in Stable and Metastable Liquid States 
  B. Widom and K. Koga,  J. Phys. Chem. B, 117, 1151-1154 (2013).

• Inclusion of Neon Inside Ice Ic and its Influence to the Ice Structure
  L. Hakim, M. Matsumoto, K. Koga, and H. Tanaka
  J. Phys. Soc. Jpn., 81 (2012) SA018  (7 pages)[Abstract] [Full Text PDF FREE (397K)]  

• Diffusivity of Liquid Argon in Carbon Nanotubes
  Hiroki Akiyoshi and Kenichiro Koga
  J. Phys. Soc. Jpn., 81 (2012) SA022  (8 pages)[Abstract] [Full Text PDF FREE (397K)]  

• Model of Freezing Behavior of Liquid Monolayers Adsorbed in Cylindrical Pore
  Kiharu Abe and Kenichiro Koga
  J. Phys. Soc. Jpn., 81 (2012) SA021 (8 pages) [Abstract] [Full Text PDF FREE (374K)] 

• Solvation of hydrophobes in water and simple liquids
  Kenichiro Koga,  Phys. Chem. Chem. Phys.,  13, 19749 (2011). 

• Hydrophobicity in Lennard-Jones Solutions
  M. Ishizaki, H. Tanaka, and K. Koga, Phys. Chem. Chem. Phys.,  13, 2328-2334 (2011). 

• Wetting transitions of continuously varying or infinite order from a mean-field density-functional theory
  K. Koga, J. O. Indekeu, and B. Widom, Mol. Phys., 109, 1297-1311 (2011).  

• How much does the core structure of a three-phase contact line contribute to the line tension near a wetting transition? J. O. Indekeu, K. Koga, and B. Widom,
  Journal of Physics-Condensed Matter, Volume: 23 Issue: 19 Published: 2011  

• Thermodynamic stability of hydrogen hydrates of ice Ic and II structures
  L. Hakim, K. Koga, and H. Tanaka, Phys. Rev. B,   82, 144105 (2010).
  DOI:10.1103/PhysRevB.82.144105 

• First- and Second-order wetting transitions at liquid-vapor interfaces
  K. Koga, J.O. Indekeu, and B. Widom, Faraday Discussions, 146, 217-222 (2010). 
  

• Novel neon-hydrate of cubic ice structure
  L. Hakim, K. Koga, and H. Tanaka, Physica A, 389, 1834-1838 (2010).  

• Phase behavior of different forms of ice filled with hydrogen molecules
  L. Hakim, K. Koga, and H. Tanaka, Phys. Rev. Lett., 104, 115701 (2010). 

• Infinite-order transitions in density-functional models of wetting
  K. Koga, J. O. Indekeu, and B. Widom, Phys. Rev. Lett., 104, 036101 (2010).
  

• Augmented stability of hydrogen clathrate hydrates by weakly polar molecules
  T. Nakayama, K. Koga, and H. Tanaka, J. Chem. Phys., 131, 214506-1-10 (2009). 

• Phase behavior and fluid-solid surface tension of argon in slit pores and carbon nanotubes
  Yoshinobu Hamada, Kenichiro Koga, and Hideki Tanaka, Physica A, 388, 2289-2298 (2009).
  

• A plastic phase of water from computer simulation
  Y. Takii, K. Koga and H. Tanaka, J. Chem. Phys., 128, 204501-1-8 (2008).
  

• Mean-field density-functional model of a second-order wetting transition
  K. Koga and B. Widom, J. Chem. Phys., 128, 114716-1-8 (2008).
  

• Phase diagram of water in carbon nanotubes
  Daisuke Takaiwa, Itaru Hatano, Kenichiro Koga, and Hideki Tanaka, Proc. Natl. Acad. Sci. USA, 105, 39-43 (2008).
  

• Phase equilibria and interfacial tension of fluids confined in narrow pores
  Yoshinobu Hamada, Kenichiro Koga, and Hideki Tanaka, J. Chem. Phys., 127, 084908-1-9 (2007).
  

• Line and boundary tensions on approach to the wetting transition
  K. Koga and B. Widom, J. Chem. Phys., 127, 064704-1-9 (2007).
  

• On the thermodynamic stability of hydrogen clathrate hydrates
  Keisuke Katsumasa, Kenichiro Koga, and Hideki Tanaka, J. Chem. Phys., 127, 044509-1-7 (2007).
  

• Structures of filled ice nanotubes inside carbon nanotubes
  D. Takaiwa, K. Koga, and H. Tanaka, Mol. Simulat., 33, 127-132 (2007).
  

• Line adsorption in a mean-field density-functional model 
  K. Koga and B. Widom, Mol. Phys., 104, 3469-3477 (2006).
  

• Theoretical studies on the structure and dynamics of water, ice, and clathrate hydrate
  H. Tanaka and K. Koga, Bull. Chem. Soc. Jpn., 79, 1621-1644 (2006).
  

• Close-packed structures and phase diagram of soft spheres in cylindrical pores  
  K. Koga and H. Tanaka, J. Chem. Phys., 124, 131103-1-4 (2006).
  

• Formation of ice nanotube with hydrophobic guests inside carbon nanotube 
  H. Tanaka and K. Koga, J. Chem. Phys., 123, 094706-1-6 (2005).
  

• Phase diagram of water between hydrophobic surfaces 
  K. Koga and H. Tanaka, J. Chem. Phys., 122, 104711-1-10 (2005).
  

• On the thermodynamic stability and structural transition of clathrate hydrates 
  Y. Koyama, H. Tanaka, and K. Koga, J. Chem. Phys., 122, 074503-1-10 (2005).
  

• Hydrophobic effect in the pressure-temperature plane 
  K. Koga, J. Chem. Phys. , 121, 7304-7312 (2004).
  

• On the thermodynamic stability of clathrate hydrates IV: Double occupancy of cages 
  H. Tanaka, T. Nakatsuka, and K. Koga, J. Chem. Phys., 121, 5488-5493 (2004).
  

• Reply to Comment on The hydrophobic effect by G. Graziano 
  B. Widom, P. Bhimalapuram, and K. Koga, Phys. Chem. Chem. Phys., 2004, 6, 4529-4530.
  

• The hydrophobic effect 
  B. Widom, P. Bhimalapuram, and K. Koga, Phys. Chem. Chem. Phys., 2003, 5, 3085-3093.
  

• Freezing in one-dimensional liquids
  K. Koga, J. Chem. Phys., 2003, 118, 7973-7980.
  

• Ab initio studies of quasi-one-dimensional pentagon and hexagon ice nanotubes
  J. Bai, C.-R. Su, R.D. Ruben, X.C. Zeng, H. Tanaka, K. Koga, and J.-M. Li, J. Chem. Phys., 2003, 118, 3913-3916.
  

• Formation of quasi-two-dimensional bilayer ice in hydrophobic slit: A possible candidate for ice XIII
  J. Bai, X.C. Zeng, K. Koga, and H. Tanaka, Mol. Simulat., 2003, 29, 619-626.
  

• Computer simulation of bilayer ice: structures and thermodynamics 
  J. Slovak, H. Tanaka, K. Koga, and X.C. Zeng, Physica A, 2003, 319, 163-174.
  

• Correlation between Hydrophobic Attraction and the Free energy of Hydrophobic Hydration 
  K. Koga, P. Bhimalapuram, and B. Widom, Mol. Phys., 2002, 100, 3795-3801.
  

• How does water freeze inside carbon nanotubes? 
  K. Koga, G.T Gao, H. Tanaka, and X.C. Zeng, Physica A, 2002, 314, 462-469.
  

• Solvation forces and liquid-solid phase equilibria for water confined between hydrophobic surfaces 
  K. Koga, J. Chem. Phys., 2002, 116, 10882.
  

• Formation of ordered ice nanotubes inside carbon nanotubes
  K. Koga, G.T. Gao, H. Tanaka, and X.C. Zeng, Nature, 2001, 412, 802-805.
  

• Computer Simulation of Water -- Ice Transition in Hydrophobic Nanopores
  J. Slovak, and H. Tanaka, K. Koga, and X.C. Zeng, Physica A, 2001, 292, 87-101.
  

• Correlation functions in decorated lattice models
  I. Ispolatov, K. Koga, and B. Widom, Physica A, 2001, 291, 49-59.
  

• First-order transition in confined water between high-density liquid and low-density amorphous phases 
  K. Koga, H. Tanaka, and X.C. Zeng, Nature, 2000, 408, 564-567. (Nov. 30, 2000)
  

• Ice nanotubes: What does the unit cell look like 
  K. Koga, R.D. Parra, H. Tanaka, and X.C. Zeng, J. Chem. Phys., 2000 , 113, 5037-5040.
  

• Imaging point defects in a liquid environment: A model AFM study
  K. Koga and X.C. Zeng, Phys. Rev. B., 1999, 60, 14328-14333.
  

• Confined water in hydrophobic nanopores:  Dynamics of freezing into bilayer ice
  J. Slovak, K. Koga, H. Tanaka, and X.C. Zeng, Phys. Rev. E., 1999, 60, 5833-5840.
  

• Can thin disk-like ice clusters be more stable than compact droplet-like ice clusters? 
  H. Tanaka, R. Yamamoto, K. Koga and X.C. Zeng, Chem. Phys. Lett. , 1999, 304, 378-384.
  

• Thermodynamic Expansion of Nucleation Free-Energy Barrier and Size of Critical Nucleus near the Vapor-Liquid Coexistence  
  K. Koga and X.C. Zeng, J. Chem. Phys., 1999, 110, 3466-3471.
  

• Validity of Tolman's Equation: How Large should a droplet be? 
  K. Koga, X.C. Zeng and A. K. Shchekin, J. Chem. Phys., 1998, 109, 4063-4070.
  

• Study of Hydrophilic interactions between Polyatomic sheets in Water 
  K. Koga, X.C. Zeng and H. Tanaka, Fluid Phase Equil. , 1998, 144, 377-385.
  

• Effects of Confinement on the Phase Behavior of Supercooled Water 
  K. Koga, X.C. Zeng and H. Tanaka, Chem. Phys. Lett. , 1998, 285, 278-283.
  

• Freezing of confined water: Bilayer ice phase in hydrophobic nanopores 
  K. Koga, X.C. Zeng and H. Tanaka, Phys. Rev. Lett. , 1997, 79, 5262.
  

• Scanning motions of an atomic force microscopy tip in water 
  K. Koga and X.C. Zeng, Phys. Rev. Lett. , 1997, 79, 853.
  

• Large Thermal Expansivity of Clathrate Hydrates 
  H. Tanaka, Y. Tamai and K. Koga, J. Phys. Chem. B, 1997, 101, 6560.
  

• Solvent-Induced Interactions between Hydrophobic and Hydrophilic Polyatomic Sheets in Water and Hypothetical Nonpolar Water, 
  K. Koga, X.C. Zeng and H. Tanaka, J. Chem. Phys. , 1997, 106, 9781.
  

• RISM Integral Equation Study of Local Solvation Behavior of Naphthalene in Supercritical Carbon Dioxide,
  K. Koga, H. Tanaka and X.C. Zeng, J. Phys. Chem. , 1996, 100, 16711.
  

• Rearrangement dynamics of the hydrogen-bonded network of clathrate hydrates encaging polar guest 
  K. Koga and H. Tanaka, J. Chem. Phys., 1996, 104, 263.
  

• Rearrangement of the hydrogen-bonded network of the clathrate hydrates encaging polar guest
  K. Koga, H. Tanaka and K. Nakanishi, Mol. Simulat., 1996, 16, 151. 

 

• Stability of polar guest-encaging clathrate hydrates
  K. Koga, H. Tanaka and K. Nakanishi, J. Chem. Phys., 1994, 101, 3127.
  

• On the stability of clathrate hydrates encaging polar guest molecules: Contrast in the hydrogen bonds of methylamine and methanol hydrates
  K. Koga, H. Tanaka and K. Nakanishi, Mol. Simulat., 1994, 12, 241.

 

Book

• 化学系の統計力学入門, B. Widom 著, 甲賀研一郎 訳， ISBN 4-7598-0950-3 (化学同人), 2005.