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Dwell-Time Distributions in Quantum Mechanics

  • José MuñozEmail author
  • Iñigo L. Egusquiza
  • Adolfo del Campo
  • Dirk Seidel
  • J. Gonzalo Muga
Chapter
Part of the Lecture Notes in Physics book series (LNP, volume 789)

Abstract

Time observables time observables in quantum mechanics have a long and debated history [35]. In spite of the fact that random time variables, measured after a system is prepared, are common in laboratories, most often it has been argued that questions about time in quantum mechanics should best be left alone, as illustrated by the frequent reference to Pauli’s theorem. Alternatively, the emphasis has been laid on characteristic times, i.e., single time quantities characterizing a process such as tunneling or decay. This, in many ways, runs counter to the usual procedure in quantum mechanics, where additionally to the average value of a quantity we require prediction of higher order moments of that quantity; in other words, the probability distribution.

Keywords

Correlation Function Quantum Mechanics Dwell Time Wave Packet Free Particle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Notes

Acknowledgements

We acknowledge discussions with M. Büttiker, J. A. Damborenea, and B. Navarro. This work has been supported by Ministerio de Educación y Ciencia (FIS2006-10268-C03-01), the Basque Country University (UPV-EHU, GIU07/40), EU Integrated Project QAP, and the EPSRC QIP-IRC (GR/S82176/0).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • José Muñoz
    • 1
    Email author
  • Iñigo L. Egusquiza
    • 2
  • Adolfo del Campo
    • 3
    • 4
  • Dirk Seidel
    • 1
  • J. Gonzalo Muga
    • 1
  1. 1.Departmento de Química FísicaUPV-EHUBilbaoSpain
  2. 2.Department of Theoretical PhysicsThe University of the Basque CountryBilbaoSpain
  3. 3.Institute for Mathematical SciencesImperial College LondonLondonUK
  4. 4.QOLS, The Blackett LaboratoryImperial College LondonLondonUK

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