Nodal domains statistics - a criterion for quantum chaos

Abstract

We consider the distribution of the (properly normalized) numbers of nodal domains of wave functions in 2-$d$ quantum billiards. We show that these distributions distinguish clearly between systems with integrable (separable) or chaotic underlying classical dynamics, and for each case the limiting distribution is universal (system independent). Thus, a new criterion for quantum chaos is provided by the statistics of the wave functions, which complements the well established criterion based on spectral statistics.

4 pages, 5 figures, revtex

References in corpus (1)

• Percolation model for nodal domains of chaotic wave functions

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