Bose - Einstein condensation of triplons with a weakly broken U(1) symmetry
Asliddin Khudoyberdiev Abdulla Rakhimov Andreas Schilling




















∗†
ρ̃
x
y
q
q
k
E
E
0   T_c^0      
01     _0^1 dq_1 dq_2 dq_3      
0T̃_c^0
z̃
Ẽ
P̃
S̃



