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Abstract
A time-dependent description is given of a scattering process involving a single resonance embedded in a set of flat continua. An analytical approach is presented which starts from an incident free particle wave packet and yields the Breit-Wigner cross-section formula at infinite times. We show that at intermediate times the so-called Wigner-Weisskopf approximation is equivalent to a scattering process involving a contact potential. Applications in cold-atom scattering and resonance enhanced desorption of molecules are discussed.
Original language | English |
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Article number | 164111 |
Number of pages | 9 |
Journal | The Journal of Chemical Physics |
Volume | 139 |
Issue number | 16 |
Early online date | 24 Oct 2013 |
DOIs | |
Publication status | Published - 2013 |
Keywords / Materials (for Non-textual outputs)
- time-dependent dynamics
- scattering
- surface desorption
- cold-atom scattering
- resonant processes
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Dive into the research topics of 'Time-dependent resonant scattering: An analytical approach'. Together they form a unique fingerprint.Projects
- 1 Finished
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NEWLIGHT - New Light on Chemical Dynamics
Kirrander, A. (Principal Investigator)
1/09/13 → 31/08/17
Project: Research