Papers by H. Okamoto

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Rank R(p) Citations Date Title Authors
1 1.97 82 2003/07/28 Ultrafast Optical Switching to a Metallic State by Photoinduced Mott Transition in a Halogen-Bridged Nickel-Chain Compound S. Iwai, M. Ono, A. Maeda, H. Matsuzaki, H. Kishida, H. Okamoto, Y. Tokura
2 1.42 34 2004/10/05 Photoinduced phase transition in tetrathiafulvalene-p-chloranil observed in femtosecond reflection spectroscopy H. Okamoto, Y. Ishige, S. Tanaka, H. Kishida, S. Iwai, Y. Tokura
3 1.38 8 2014/10/17 Two-Mode Thermal-Noise Squeezing in an Electromechanical Resonator I. Mahboob, H. Okamoto, K. Onomitsu, H. Yamaguchi
4 1.08 30 2002/01/16 Ultrafast Optical Switching from an Ionic to a Neutral State in Tetrathiafulvalene-p-Chloranil (TTF-CA) Observed in Femtosecond Reflection Spectroscopy S. Iwai, S. Tanaka, K. Fujinuma, H. Kishida, H. Okamoto, Y. Tokura
5 1.03 31 2007/11/15 Ultrafast Photoinduced Insulator-Ferromagnet Transition in the Perovskite Manganite Gd0.55Sr0.45MnO3 M. Matsubara, Y. Okimoto, T. Ogasawara, Y. Tomioka, H. Okamoto, Y. Tokura
6 0.92 45 1989/07/15 Extremely slow energy relaxation of a two-dimensional exciton in a GaAs superlattice structure J. I. Kusano, Y. Segawa, Y. Aoyagi, S. Namba, H. Okamoto
7 0.89 40 2007/01/16 Photoinduced Metallic State Mediated by Spin-Charge Separation in a One-Dimensional Organic Mott Insulator H. Okamoto, H. Matsuzaki, T. Wakabayashi, Y. Takahashi, T. Hasegawa
8 0.64 34 1985/09/15 Direct experimental observation of two-dimensional shrinkage of the exciton wave function in quantum wells Y. Masumoto, M. Matsuura, S. Tarucha, H. Okamoto
9 0.64 24 2011/03/09 Photoinduced transition from Mott insulator to metal in the undoped cuprates Nd2CuO4 and La2CuO4 H. Okamoto, T. Miyagoe, K. Kobayashi, H. Uemura, H. Nishioka, H. Matsuzaki, A. Sawa, Y. Tokura
10 0.54 20 2006/01/26 Ultrafast Photoinduced Melting of a Spin-Peierls Phase in an Organic Charge-Transfer Compound, K-Tetracyanoquinodimethane H. Okamoto, K. Ikegami, T. Wakabayashi, Y. Ishige, J. Togo, H. Kishida, H. Matsuzaki
11 0.54 28 2005/03/03 General Features of Photoinduced Spin Dynamics in Ferromagnetic and Ferrimagnetic Compounds T. Ogasawara, K. Ohgushi, Y. Tomioka, K. S. Takahashi, H. Okamoto, M. Kawasaki, Y. Tokura
12 0.53 21 2006/02/06 Coherent Control of Charge and Lattice Dynamics in a Photoinduced Neutral-to-Ionic Transition of a Charge-Transfer Compound S. Iwai, Y. Ishige, S. Tanaka, Y. Okimoto, Y. Tokura, H. Okamoto
13 0.52 25 2007/03/01 Photoinduced Melting of a Stripe-Type Charge-Order and Metallic Domain Formation in a Layered BEDT-TTF-Based Organic Salt S. Iwai, K. Yamamoto, A. Kashiwazaki, F. Hiramatsu, H. Nakaya, Y. Kawakami, K. Yakushi, H. Okamoto, H. Mori, ..., Y. Nishio
14 0.50 29 2010/08/24 Ultrafast charge dynamics in photoexcited Nd2CuO4 and La2CuO4 cuprate compounds investigated by femtosecond absorption spectroscopy H. Okamoto, T. Miyagoe, K. Kobayashi, H. Uemura, H. Nishioka, H. Matsuzaki, A. Sawa, Y. Tokura
15 0.50 16 1997/04/01 Simulation study of halo formation in breathing round beams H. Okamoto, M. Ikegami
16 0.45 17 1994/06/20 Three-Dimensional Laser Cooling of Stored and Circulating Ion Beams by Means of a Coupling Cavity H. Okamoto, A. M. Sessler, D. Möhl
17 0.41 15 2003/07/03 Photoinduced Phase Transition in an Organic Radical Crystal with Room-Temperature Optical and Magnetic Bistability H. Matsuzaki, W. Fujita, K. Awaga, H. Okamoto
18 0.37 26 2003/11/25 Photoinduced spin dynamics in La0.6Sr0.4MnO3 observed by time-resolved magneto-optical Kerr spectroscopy T. Ogasawara, M. Matsubara, Y. Tomioka, M. Kuwata-Gonokami, H. Okamoto, Y. Tokura
19 0.31 9 2014/03/18 Pressure-Dependent Relaxation in the Photoexcited Mott Insulator ETF2TCNQ: Influence of Hopping and Correlations on Quasiparticle Recombination Rates M. Mitrano, G. Cotugno, S. R. Clark, R. Singla, S. Kaiser, J. Stähler, R. Beyer, M. Dressel, L. Baldassarre, ..., A. Cavalleri
20 0.31 15 2010/12/16 Direct Detection of the Ultrafast Response of Charges and Molecules in the Photoinduced Neutral-to-Ionic Transition of the Organic Tetrathiafulvalene-p-Chloranil Solid H. Uemura, H. Okamoto