For a particle in a stadium billiard, it is observed that so-called 'scars' in the wavefunction appear at particular eigenvectors. These scars correspond to classical orbits, for example in the case shown below, which corresponds to a classical orbit of period 6(adsbygoogle = window.adsbygoogle || []).push({});

The paths which can be distinguished in the wavefunction indicate that the particle has a high probability of being located along particular trajectories corresponding to classical orbits.

A quantum particle does not travel in straight lines and bounce off of boundaries in the way that a classical particle does, so why do these scars corresponding to classical orbits appear in the wavefunction?

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# Scars in the wavefunction

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