Orbital order and fluctuations in the two-leg ladder materials BaFe2X3 (X= S and Se) and CsFe2Se3

Kou Takubo, Yuichi Yokoyama, Hiroki Wadati, Shun Iwasaki, Takashi Mizokawa, Teak Boyko, Ronny Sutarto, Feizhou He, Kazuki Hashizume, Satoshi Imaizumi, Takuya Aoyama, Yoshinori Imai, Kenya Ohgushi