Tu, Hong Hao Theory, Max Planck Institute of Quantum Optics, Max Planck Society;
Orús, Román Max Planck Society;
Tu, H. H., & Orús, R. (2011). Effective Field Theory for the SO(n) Bilinear-Biquadratic Spin Chain. Physical Review Letters, 107(7): 077204. doi:10.1103/PhysRevLett.107.077204.