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| Theory of Strongly Correlated Systems |
There are a number of interesting phenomena in condensed matter physics. We are particularly interested in remarkable properties of strongly correlated systems. In addition to standard techniques such as perturbation expansion and mean-field theory, we use numerical powerful techniques such as exact diagonalization, quantum Monte Carlo simulations and numerical renormalization group to clarify how particle correlations affect a wide variety of quantum systems at low temperatures.
Our recent interests:
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| Optical lattice system |
| Strongly correlated electron systems on quasi-periodic lattice |
| Strongly correlated electron systems with orbital degeneracy |
| Quantum spin systems with geometrical frustration |
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