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Efficient semiclassical approach for time delays

URN to cite this document:
Kuipers, Jack ; Savin, Dmitry V. ; Sieber, Martin
Date of publication of this fulltext: 26 Nov 2014 13:03


The Wigner time delay, defined by the energy derivative of the total scattering phase shift, is an important spectral measure of an open quantum system characterising the duration of the scattering event. It is related to the trace of the Wigner-Smith matrix Q that also encodes other time-delay characteristics. For chaotic cavities, these exhibit universal fluctuations that are commonly described ...


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