cond-mat.str-el
Low-energy spin excitations in field-induced phases of the spin-ladder antiferromagnet BiCu$_2$PO$_6$
Patrick Pilch Kirill Amelin Gary Schmiedinghoff Anneke Reinold Changqing Zhu Kirill Yu. Povarov Sergei Zvyagin Hans Engelkamp Yin-Ping Lan Guo-Jiun Shu Fang-Cheng Chou Urmas Nagel Toomas Rõõm Götz S. Uhrig Benedikt Fauseweh Zhe Wang