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quant-ph2010★ 6 cited
Exact Coupling Coefficient Distribution in the Doorway Mechanism
Heiner Kohler, Thomas Guhr, Sven Aberg
In many--body and other systems, the physics situation often allows one to interpret certain, distinct states by means of a simple picture. In this interpretation, the distinct sta…
quant-ph2009★ 3 cited
Survival Probability of a Doorway State in regular and chaotic environments
Heiner Kohler, Hans Juergen Sommers, Sven Aberg
We calculate survival probability of a special state which couples randomly to a regular or chaotic environment. The environment is modelled by a suitably chosen random matrix ense…