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In this division, we are conducting vigorous theoretical research
from a microscopic point of view on topics at the forefront of contemporary
condensed matter physics, statistical physics, and materials science, in
pursuit of the development of new concepts to describe collective behavior
of interacting systems, prediction of novel interesting phenomena, and
useful theoretical modeling of materials, in close contact with experimental
groups.
The topics in recent research span such diverse areas as spin-charge-phonon(-orbital) complex properties in transition-metal oxides and organic conductors, quantum phase transitions and critical phenomena in the so-called strongly-correlated systems such as low-dimensional quantum magnets and electron systems including the Kondo lattice, metal-insulator transitions, heavy-fermion physics, superconductivity in various materials from both phenomenological and microscopic points of view, exchange and correlation effects on dynamic properties in metals and semiconductors, dynamic processes and catalytic properties at surfaces, and quantum transport and interactions in mesoscopic conductors.
In performing those pieces of research, individual members employ calculation techniques in accordance with their expertise and taste, but as a whole, the theory group covers virtually all modern theoretical methods, ranging from sophisticated analytical techniques in mathematical physics and formal many-body theory to large computational approaches, such as quantum Monte Carlo simulations and state-of-the-art ab-initio calculation of electronic structures based on the density functional theory.
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Last Update 2009/12/14
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