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5 papers · 1 filter
Bouncing ball orbits and symmetry breaking effects in a three-dimensional chaotic billiard
B. Dietz, B. Moessner, T. Papenbrock +2
We study the classical and quantum mechanics of a three-dimensional stadium billiard. It consists of two quarter cylinders that are rotated with respect to each other by 90 degrees…
Prevalence of marginally unstable periodic orbits in chaotic billiards
E. G. Altmann, T. Friedrich, A. E. Motter +2
The dynamics of chaotic billiards is significantly influenced by coexisting regions of regular motion. Here we investigate the prevalence of a different fundamental structure, whic…
Spectral properties of Bunimovich mushroom billiards
B. Dietz, T. Friedrich, M. Miski-Oglu +2
Properties of a quantum mushroom billiard in the form of a superconducting microwave resonator have been investigated. They reveal unexpected nonuniversal features such as, e.g., a…
First experimental evidence for quantum echoes in scattering systems
C. Dembowski, B. Dietz, T. Friedrich +6
A self-pulsing effect termed quantum echoes has been observed in experiments with an open superconducting and a normal conducting microwave billiard whose geometry provides soft ch…
Comment on ''Exceptional points and double poles of the S matrix''
C. Dembowski, B. Dietz, H. -D. Graef +4
In a recent paper [Phys. Rev. E 67, 026204 (2003)], Rotter calculates the geometric phases that are picked up by the eigenvectors of a two-state quantum system when an exceptional…