Sonnleitner, M. and Barnett, S. M. (2018) Mass-energy and anomalous friction in quantum optics. Physical Review A: Atomic, Molecular and Optical Physics, 98, 042106. (doi: 10.1103/PhysRevA.98.042106)
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Abstract
The usual multipolar Hamiltonian for atom-light interaction features a nonrelativistic moving atom interacting with electromagnetic fields which inherently follow Lorentzian symmetry. This combination can lead to situations where atoms appear to experience a friction force, when in fact they only change their internal mass-energy due to the emission or absorption of a photon. Unfortunately, the simple Galilean description of the atom's motion is not sufficient to distinguish between a change in momentum due to acceleration and a change in momentum due to a change in internal mass-energy. In this work we show how a low-order relativistic correction can be included in the multipolar atom-light Hamiltonian. We also give examples how this affects the most basic mechanical interactions between atoms and photons.
| Item Type: | Articles |
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| Additional Information: | Also supported by the Austrian Science Fund FWF (Grant No. J 3703-N27). |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Barnett, Professor Stephen and Sonnleitner, Dr Matthias |
| Authors: | Sonnleitner, M., and Barnett, S. M. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Physical Review A: Atomic, Molecular and Optical Physics |
| Publisher: | American Physical Society |
| ISSN: | 2469-9926 |
| ISSN (Online): | 2469-9934 |
| Copyright Holders: | Copyright © 2018 American Physical Society |
| First Published: | First published in Physical Review A 98:042106 |
| Publisher Policy: | Reproduced in accordance with the copyright policy of the publisher |
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