机译:On the coexistence of different types of long-range order in the strongly frustrated two-dimensional Heisenberg model
Institute for High Pressure Physics, RAS, 142190 Troitsk, Moscow Region, Russian Federation;
Moscow Institute of Physics and Technology, 9, Institutskii per., 141700 Dolgoprudny, Moscow Region, Russian Federation;
A. Frustration; A. Quantum phase transition; A. Two-dimensional antiferromagnet; D. Spin excitations spectrum;