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nlin.CD2009★ 3 cited
Near action-degenerate periodic-orbit bunches: A skeleton of chaos
Alexander Altland, Petr Braun, Fritz Haake +3
Long periodic orbits of hyperbolic dynamics do not exist as independent individuals but rather come in closely packed bunches. Under weak resolution a bunch looks like a single orb…
nlin.CD2009★ 108 cited
Periodic-orbit theory of universal level correlations in quantum chaos
Sebastian Müller, Stefan Heusler, Alexander Altland +2
Using Gutzwiller's semiclassical periodic-orbit theory we demonstrate universal behaviour of the two-point correlator of the density of levels for quantum systems whose classical l…
nlin.CD2008
Semiclassical spectral correlator in quasi one-dimensional systems
Petr Braun, Sebastian Müller, Fritz Haake
We investigate the spectral statistics of chaotic quasi one dimensional systems such as long wires. To do so we represent the spectral correlation function through derivativ…