Takuma Kano

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In order to study intriguing features of quantum many-body problems, we develop two matrix diagonalization codes, one of which solves only the ground state including a few excitation states, and another of which does all quantum states. The target model in both codes is the Hubbard model with confinement potential which describes an atomic Fermi gas loaded(More)
Predicting atomistic properties of a dislocation is a first step toward an understanding of plastic behavior of materials, in particular BCC metals. The core structure and Peierls stress of a screw dislocation in BCC metals have been studied over the years using the first-principles and empirical methods, however, their conclusions vary due to the(More)
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