Zobrazeno 1 - 10
of 9 825
pro vyhledávání: '"KAWAKAMI, Y."'
Autor:
Amano, T., Kawakami, Y., Itoh, H., Konno, K., Hasegawa, Y., Aoyama, T., Imai, Y., Ohgushi, K., Takeuchi, Y., Wakabayashi, Y., Goto, K., Nakamura, Y., Kishida, H., Yonemitsu, K., Iwai, S.
Publikováno v:
Phys. Rev. Res.4 L032032(2022)
In a honeycomb-lattice spin-orbit assisted Mott insulator {\alpha}-RuCl3, an ultrafast magnetization is induced by circularly polarized excitation below the Mott gap. Photo-carriers play an important role, which are generated by turning down the syne
Externí odkaz:
http://arxiv.org/abs/2207.03877
Autor:
Kawakami, Y., Amano, T., Ohashi, H., Itoh, H., Nakamura, Y., Kishida, H., Sasaki, T., Kawaguchi, G., Yamamoto, H. M., Yamamoto, K., Ishihara, S., Yonemitsu, K., Iwai, S.
Charge acceleration during an intense light field application to solids attracts much attention as elementary processes in high-harmonic generation and photoelectron emission [1-7]. For manipulating such attosecond dynamics of charge, carrier-envelop
Externí odkaz:
http://arxiv.org/abs/2007.10762
Autor:
Kawakami, Y., Amano, T., Yoneyama, Y., Akamine, Y., Itoh, H., Kawaguchi, G., Yamamoto, H., Kishida, H., Itoh, K., Sasaki, T., Ishihara, S., Tanaka, Y., Yonemitsu, K., Iwai, S.
Publikováno v:
Nature Photon. 12, 474(2018)
Intense light-field application to solids produces enormous/ultrafast non-linear phenomena such as high-harmonic generations 1, 2 and attosecond charge dynamics 3, 4. They are distinct from conventional photonics. However, main targets have been limi
Externí odkaz:
http://arxiv.org/abs/1807.10426
Publikováno v:
In Differential Geometry and its Applications October 2022 84
Autor:
Kawakami, Y., Yoneyama, Y., Amano, T., Itoh, H., Yamamoto, K., Nakamura, Y., Kishida, H., Sasaki, T., Ishihara, S., Tanaka, Y., Yonemitsu, K., Iwai, S.
Polarization selectivity of light-field-induced charge localization was investigated in an organic metal alpha-(BEDT-TTF)2I3 with a triangular lattice. Dependences of transient reflectivity spectra on polarizations of the 7-fs pump and probe lights i
Externí odkaz:
http://arxiv.org/abs/1704.06776
Publikováno v:
Applied Physics Letters; 12/9/2024, Vol. 125 Issue 24, p1-7, 7p
Autor:
Naitoh, Y., Kawakami, Y., Ishikawa, T., Sagae, Y., Itoh, H., Yamamoto, K., Sasaki, T., Dressel, M., Ishihara, S., Tanaka, Y., Yonemitsu, K., Iwai, S.
Publikováno v:
Phys. Rev. B93, 165126(2016)
The strong light-field effect of (TMTTF)2AsF6 was investigated utilizing 1.5-cycle, 7-fs infrared pulses. The ultarfast (20 fs) and large (40%) response of the plasma-like reflectivity edge (0.7 eV) was analyzed by the changes in omega_p=sqrt(ne2/(ep
Externí odkaz:
http://arxiv.org/abs/1603.08374
In this letter, we aim to elucidate the physical mechanism of the so called optical memory effect and blinking phenomenon observed in InGaN single quantum wells (SQW). We have found that the optical response of both memory effect and blinking phenome
Externí odkaz:
http://arxiv.org/abs/1601.01976
We refine Osserman's argument on the exceptional values of the Gauss map of algebraic minimal surfaces. This gives an effective estimate for the number of exceptional values and the totally ramified value number for a wider class of complete minimal
Externí odkaz:
http://arxiv.org/abs/math/0511543
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