Schollwöck, U. Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society;
Schollwöck, U., Chakravarty, S., Fjærestad, J. O., Marston, J. B., & Troyer, M. (2003). Broken time-reversal symmetry in strongly correlated ladder structures. Physical Review Letters, 90(18): 186401.