Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2003-03-18
PRB 68, 045315 (2003)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4 pages, 5 figures
Scientific paper
10.1103/PhysRevB.68.045315
We use a microwave cavity to investigate the influence of a movable absorbing center on the wave function of an open quantum dot. Our study shows that the absorber acts as a position-selective probe, which may be used to suppress those wave function states that exhibit an enhancement of their probability density near the region where the impurity is located. For an experimental probe of this wave function selection, we develop a technique that we refer to as scanning Fourier spectroscopy, which allows us to identify, and map out, the structure of the classical trajectories that are important for transmission through the cavity.
Barth Marcus
Bird Jonathan P.
Kim Yeon Han
Kuhl Ulrich
Stoeckmann Hans-Juergen
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