I am working on the string theory and conformal field theory. String theory is the most promising candidate of the quantum theory of gravity. The full quantum string theory has not been formulated yet, but non-perturbative quantum aspects can be sometimes seen by the semi-classical analyses or perturbative ones. I am trying to see these quantum aspects of the string theory through the techniques like D-branes, supergravities, conformal field theories and topological string theories.

Selected Publications:

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