Drożdż, S.; Wójcik, M. - In: Physica A: Statistical Mechanics and its Applications 301 (2001) 1, pp. 291-300
We investigate the origin of order in the low-lying spectra of many-body systems with random two-body interactions. Our study based both on analytical as well as on numerical arguments shows that except for the most J-stretched states, the ground states in the higher J-sectors are more orderly...