Geometric chaoticity leads to ordered spectra for randomly interacting fermions
D. Mulhall, A. Volya, V. Zelevinsky
Abstract
A rotationally invariant random interaction ensemble was realized in a single-j fermion model. The dominance of ground states with zero and maximum spin was confirmed and explained with a statistical approach based on the random coupling of individual angular momenta. The interpretation is supported by the structure of the ground state wave functions.
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