場の理論に基づく電子の運動エネルギー密度と張力密度の理論を初めて定式化した。

Selected Publications:

" Electronic energy density in chemical reaction systems," A. Tachibana, Journal of Chemical Physics,115, 3497-3518 (2001).

" Energy Density in Materials and Chemical Reaction Systems," A. Tachibana, in Reviews in Modern Quantum Chemistry: A Celebration of the Contributions of Robert Parr, edited by Sen, K. D. (World Scientific, Singapore, 2002), Chap. 45, pp. 1327-1366.