Published January 2005
| Version public
Journal Article
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Wave-packet scattering without kinematic entanglement: convergence of expectation values
Abstract
The wave packet spread of a particle in a collection of different mass particles, all with Gaussian wave functions, evolves to a value that is inversely proportional to the mass of the particle. The assumptions underlying this result and its derivation are reviewed. A mathematical demonstration of the convergence of an iteration central to this assertion is presented. Finally, the question of in-principle measurement of wave packet spread is taken up.
Additional Information
© Copyright 2005 IEEE. Reprinted with permission. Manuscript received April 1, 2004; revised May 26, 2004. [Posted online: 2005-01-17] This work was supported by the National Science Foundation under Grant PHY 0099471 and Grant CCR 0049092, by the National Science Foundation Institute for Quantum Information, and by the Okinawa Foundation under a grant. The authors would like to thank R. Balian and P. Pechukas for helpful discussions.Files
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Identifiers
- Eprint ID
- 6721
- Resolver ID
- CaltechAUTHORS:SCHUieeetnano05
Dates
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2006-12-19Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field