Chaos and Exponentially Localized Eigenstates in Smooth Hamiltonian Systems

Nonlinear Sciences – Chaotic Dynamics

Scientific paper

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7pages including 7 figures. Submitted to PRL

Scientific paper

10.1103/PhysRevE.57.345

We present numerical evidence to show that the wavefunctions of smooth classically chaotic Hamiltonian systems scarred by certain simple periodic orbits are exponentially localized in the space of unperturbed basis states. The degree of localization, as measured by the information entropy, is shown to be correlated with the local phase space structure around the scarring orbit; indicating sharp localization when the orbit undergoes a pitchfork bifurcation and loses stability.

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