■Research
 Developing approximate methods for quantum dynamics in proteins
 Dynamic interaction between peptide and water
 Laser control of complex quantum systems
 Quantumclassical correspondence in nonadiabatic systems
 Quantum entanglement in quantum choas
■Publication list (1997~2007)
Vibrational energy relaxation in protein dynamics
 H. Fujisaki, L. Bu, and J.E. Straub,
Vibrational energy relaxation of a CD stretching mode
in cytochrome c,
Adv. Chem. Phys. 130, part B, 179203 (2005); eprint qbio.BM/0403019.
 H. Fujisaki, L. Bu, and J.E. Straub,
Probing vibrational energy relaxation in proteins using normal modes,
in
"Normal Mode Analysis: Theory and Applications to
Biological and Chemical Systems" edited by Q. Cui and I. Bahar, Chapman and Hall/CRC Press, Boca Raton, Florida (2005); eprint qbio.BM/0408023.
 H. Fujisaki and J.E. Straub,
Vibrational energy relaxation in proteins,
PNAS 102, 67266731 (2005); eprint qbio.BM/0412048.
 H. Fujisaki, Y. Zhang, and J.E. Straub,
Timedependent perturbation theory for vibrational energy relaxation and dephasing in peptides and proteins,
J. Chem. Phys. 124, 144910 (2006).
 M. Cremeens, H. Fujisaki, Y. Zhang, J. Zimmermann, L.B. Sagle,
S. Matsuda, P.E. Dawson, J.E. Straub, and F.E.Romesberg,
Efforts Toward Developing Direct Probes of Protein Dynamics,
J. Am. Chem. Soc. 128, 6028 (2006).
 Y. Zhang, H. Fujisaki, and J.E. Straub,
Molecular Dynamics Study on the Solvent Dependent Heme Cooling Following Ligand Photolysis in Carbonmonoxy Myoglobin,
J. Phys. Chem. B 111, 32433250 (2007).
 H. Fujisaki, K. Yagi, K. Hirao, and J.E. Straub,
Quantum dynamics of Nmethylacetamide studied by
vibrational configuration interaction method,
Chem. Phys. Lett. (in press); eprint qbio arXiv:0706.1905.
 H. Fujisaki and J.E. Straub,
Vibrational energy relaxation (VER) of isotopically labelled
amide I modes in cytochrome c: Theoretical investigation of VER
rates and pathways,
submitted to J. Phys. Chem. B
 H. Fujisaki, Y. Fujisaki, and J.E. Straub,
Effects of hydrogen bonds on infrared spectra
of a protein: Localization and delocalization of
amide I modes in hydrated myoglobin,
in preparation.
Controlling molecular dynamics
 H. Fujisaki, Y. Teranishi, and H. Nakamura,
Control of photodissociation branching
using the complete reflection phenomenon:
Application to HI molecule,
J. Theor. Comp. Chem. 1, 245 (2002);
eprint quantph/0211142.
 H. Fujisaki, Y. Teranishi, A. Kondorskiy, and H. Nakamura,
Semiclassical approaches to
controlling chemical reaction dynamics,
eprint quantph/0302025.
 T. Takami and H. Fujisaki,
CoarseGrained Picture for Controlling
"Complex" Quantum Systems,
J. Phys. Soc. Jpn. 73, 3215 (2004);
eprint nlin.CD/0402003.
 T. Takami, H. Fujisaki, and T. Miyadera,
Coarse Grained Picture for Controlling Quantum Chaos,
Adv. Chem. Phys. 130, part A: 435458 (2005); eprint
nlin.CD/0402005.
 T. Takami and H. Fujisaki,
Analytic approach for controlling quantum states in complex systems,
Phys. Rev. E 75, 036219 (2007) (10 pages)
Multimode effects in nonadiabatic molecular systems
 H. Fujisaki and K. Takatsuka,
Chaos induced by quantum effect due to breakdown
of the BornOppenheimer adiabaticity,
Phys. Rev. E 63, 066221 (2001).

H. Fujisaki and K. Takatsuka,
Highly excited vibronic eigenfunctions in a multimode
nonadiabatic system with Duschinsky rotation,
J. Chem. Phys. 114, 3497 (2001).
 H. Fujisaki,
Quantum"classical" correspondence in a nonadiabatic
transition system,
Phys. Rev. E 69, 037201 (2004); eprint
quantph/0401136.
 H. Fujisaki,
Entanglement induced by nonadiabatic chaos,
Phys. Rev. A 70, 012313 (2004); eprint
quantph/0402036.
Quantum chaos and entanglement
 A. Tanaka, H. Fujisaki, and T. Miyadera,
Saturation of the production of quantum entanglement between
weakly coupled mapping systems in strongly chaotic region,
Phys. Rev. E. 66, 045201(R) (2002);
eprint quantph/0209086.
 H. Fujisaki, T. Miyadera, and A. Tanaka,
Dynamical aspects of quantum entanglement for
weakly coupled kicked tops,
Phys. Rev. E. 67, 066201 (2003);
eprint quantph/0211110.
 H. Fujisaki, A. Tanaka, and T. Miyadera,
Dynamical aspects of quantum entanglement for
coupled mapping systems,
J. Phys. Soc. Jpn. Suppl. C 72, 111 (2003);
eprint
quantph/0302015.
Quantum optics for semiconductor LEDs
 H. Fujisaki and A. Shimizu,
Quantum Noise in Semiconductor
LightEmitting Devices at a LowInjection Level,
J. Phys. Soc. Jpn. 66, 34 (1997).
 H. Fujisaki and A. Shimizu,
Quantum Langevin equations for
semiconductor lightemitting devices and the photon statistics at a
lowinjection level,
Phys. Rev. A 57, 3074 (1998).

