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First experimental evidence for quantum echoes in scattering systems | | C. Dembowski
; B. Dietz
; T. Friedrich
; H.-D. Graef
; A. Heine
; C. Mejia-Monasterio
; M. Miski-Oglu
; A. Richter
; T. H. Seligman
; | | Date: |
26 Aug 2004 | | Journal: | Phys. Rev. Lett. 93, 134102 (2004) DOI: 10.1103/PhysRevLett.93.134102 | | Subject: | Chaotic Dynamics; Mesoscopic Systems and Quantum Hall Effect | nlin.CD cond-mat.mes-hall quant-ph | | Affiliation: | 3,4) ( Institut fuer Kernphysik, Technische Universitaet Darmstadt, Germany, Center for Nonlinear and Complex Systems, Como, Italy, Centro de Ciencias Fisicas, UNAM, Mexico, Centro Internacional de Ciencias, Cuernavaca, Mexico | | Abstract: | 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 chaos, i.e. a mixed phase space portrait with a large stable island. For such systems a periodic response to an incoming pulse has been predicted. Its period has been associated to the degree of development of a horseshoe describing the topology of the classical dynamics. The experiments confirm this picture and reveal the topological information. | | Source: | arXiv, nlin.CD/0408046 | | Other source: | [GID 512752] pmid15524724 | | Services: | Forum | Review | PDF | Favorites | |
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