Ritsuo Morishita

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The detection-energy dependence of a coherent phonon in a (001) CdTe crystal, generated by ultrashort laser pulses with the center energy transparent or opaque to the sample, is investigated using a spectrally resolved pump-probe method. At the excitation in the transparent region, the detection-energy dependence of the phonon amplitude has two peaks at the(More)
The structural properties of CaO and SrO are investigated up to 100GPa for CaO and 60GPa for SrO using the first-principle plane wave pseudopotential method within the Local Density Approximation (LDA) and Generalized Gradient Approximation (GGA), in which the ultra-soft and the norm-conserved pseudopotentials are employed. The calculated equilibrium(More)
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