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Article type: Cover
2015 Volume 70 Issue 3 Pages
Cover1-
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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Yoshinobu Takaiwa
Article type: Article
2015 Volume 70 Issue 3 Pages
165-
Published: March 05, 2015
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Article type: Index
2015 Volume 70 Issue 3 Pages
166-167
Published: March 05, 2015
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Isao Shimamura
Article type: Article
2015 Volume 70 Issue 3 Pages
168-169
Published: March 05, 2015
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Tomoya Takiwaki, Kei Kotake
Article type: Article
2015 Volume 70 Issue 3 Pages
170-178
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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Core-collapse supernovae have long attracted attention of astrophysicists because they have many facets playing important roles in astrophysics. In spite of such importance and rigorous studies for several decades, we still do not understand the explosion mechanism completely. Recently 3D neutrino-driven models have been reported, for the first time, in the context of self-consistent supernova simulations. Keeping step with very rapid advancements of hard/softwares in supercomputing, supernova codes are being updated with sufficient realism to deal with seven-dimensional Boltzmann neutrino transport in the near future. We are going to pin down the mechanism of explosion by deciphering multi-messenger signatures from these first-principle models, such as gravitational waves, neutrinos, and nucleosynthetic yields, with forthcoming observations by next-generation detectors (surely) being on-line in the decade to come.
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Akio Nakahara, Yousuke Matsuo, Takeshi Ooshida
Article type: Article
2015 Volume 70 Issue 3 Pages
179-187
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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Desiccation cracks are familiar phenomena producible by drying a mixture of water and colloidal particles of a few microns in diameter. When the mixture is so dense that it has plasticity, it is called a paste. Here we show that, using memory effect of pastes, we can predetermine the morphology of the cracks so that the desiccation crack pattern becomes strikingly anisotropic. By the word "memory" we mean that mechanical treatment (such as "vibration" or "flow") applied to the paste, before the drying process starts, is somehow imprinted in the paste and determines how the cracks should be formed later. It is demonstrated experimentally that plasticity is essential to the memory effect. There are at least two types of memory effects: the first type is referred to as the memory of vibration, and the second type as the memory of flow. A possible theoretical clarification of the memory of vibration is given by the so-called residual tension theory, in which plastic deformations of an elasto-plastic fluid layer, associated with residual tension, account for the anisotropic crack pattern.
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Keiichi Edamatsu, Fumihiro Kaneda, So-Young Baek, Masanao Ozawa
Article type: Article
2015 Volume 70 Issue 3 Pages
188-193
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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Experimental test of the error-disturbance uncertainty relations in quantum measurement is described. Using generalized, strength-variable measurement of a single photon polarization state, we demonstrate that the Heisenberg relation is violated, yet the Ozawa and Branciard relations are valid.
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Ayori Mitsutake
Article type: Article
2015 Volume 70 Issue 3 Pages
194-199
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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We have studied folding and dynamics of proteins by using computer simulations. For complex systems such as proteins, simulations tend to get trapped in a few of a huge number of local-minimum energy states. To overcome this multiple minima problem, we have developed generalized-ensemble algorithms. On the other hand, as longer and larger MD regular simulations are performed, it is more important to develop analysis methods to extract the "essential" movements of proteins from simulations. Relaxation mode analysis has been developed to investigate "dynamic" properties of homo-polymer systems. Recently, we have applied the method to protein, hetero-polymer systems. Here, we introduce these methods to investigate protein stability and dynamics using molecular simulations.
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Kohji Mizoguchi, Goro Oohata
Article type: Article
2015 Volume 70 Issue 3 Pages
200-205
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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The detection-energy dependence of the coherent longitudinal optical phonon in a (001)-CdTe semiconductor crystal has been investigated using a spectrally resolved pump-probe method. When the center energy of laser pulses is tuned to the transparent region, the detection-energy dependence of the phonon amplitude has two peaks at the energies shifted by one-phonon energy of CdTe from the center energy of the laser pulses. On the other hand, the detection-energy dependence of the amplitude at the excitation in the opaque region shows two peaks at the energies shifted by' about twice the phonon energy. The energy shifts in the detection-energy dependence imply that the emission and absorption of phonons take part in coherent phonon generation. We discuss the detection-energy dependence of the coherent phonon from the viewpoint of third-order nonlinear susceptibility based on the impulsive stimulated Raman scattering process under nonresonant and resonant conditions.
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[in Japanese]
Article type: Article
2015 Volume 70 Issue 3 Pages
206-207
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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[in Japanese]
Article type: Article
2015 Volume 70 Issue 3 Pages
208-209
Published: March 05, 2015
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[in Japanese]
Article type: Article
2015 Volume 70 Issue 3 Pages
210-212
Published: March 05, 2015
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2015 Volume 70 Issue 3 Pages
213-217
Published: 2015
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[in Japanese]
2015 Volume 70 Issue 3 Pages
218-219
Published: March 05, 2015
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[in Japanese]
2015 Volume 70 Issue 3 Pages
219-
Published: 2015
Released on J-STAGE: August 21, 2019
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[in Japanese]
2015 Volume 70 Issue 3 Pages
219-220
Published: 2015
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[in Japanese]
2015 Volume 70 Issue 3 Pages
220-221
Published: 2015
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[in Japanese]
Article type: Article
2015 Volume 70 Issue 3 Pages
222-
Published: March 05, 2015
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2015 Volume 70 Issue 3 Pages
223-
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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[in Japanese]
Article type: Article
2015 Volume 70 Issue 3 Pages
224-
Published: March 05, 2015
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[in Japanese]
Article type: Article
2015 Volume 70 Issue 3 Pages
224-225
Published: March 05, 2015
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Article type: Appendix
2015 Volume 70 Issue 3 Pages
226-
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2015 Volume 70 Issue 3 Pages
226-227
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Article type: Appendix
2015 Volume 70 Issue 3 Pages
228-231
Published: March 05, 2015
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Article type: Appendix
2015 Volume 70 Issue 3 Pages
231-232
Published: March 05, 2015
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[in Japanese]
2015 Volume 70 Issue 3 Pages
232-
Published: March 05, 2015
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2015 Volume 70 Issue 3 Pages
233-235
Published: March 05, 2015
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Article type: Appendix
2015 Volume 70 Issue 3 Pages
237-238
Published: March 05, 2015
Released on J-STAGE: August 21, 2019
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