On the Distribution of zeros of chaotic wavefunction

Details On the Distribution of zeros of chaotic wavefunction On the Distribution of zeros of chaotic wavefunction

1997-05-29

arxiv.org/abs/cond-mat/9705298v1

Physics

Condensed Matter

Statistical Mechanics

PlainTex, Seven figures (available on direct request to author), J.Phys. (in Press)

Scientific paper

10.1088/0305-4470/30/18/014

The wavefunctions in phase-space representation can be expressed as entire functions of their zeros if the phase space is compact. These zeros seem to hide a lot of relevant and explicit information about the underlying classical dynamics. Besides, an understanding of their statistical properties may prove useful in the analytical calculations of the wavefunctions in quantum chaotic systems. This motivates us to persue the present study which by a numerical statistical analysis shows that both long as well as the short range correlations exist between zeros; while the latter turn out to be universal and parametric-independent, the former seem to be system dependent and are significantly affected by various parameters i.e symmetry, localization etc. Furthermore, for the delocalized quantum dynamics, the distribution of these zeros seem to mimick that of the zeros of the random functions as well as random polynomials.

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