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Friction forces on atoms after acceleration

  • The aim of this paper is to revisit the calculation of atom-surface quantum friction in the quantum field theory formulation put forward by Barton (2010 New J. Phys. 12 113045). We show that the power dissipated into field excitations and the associated friction force depend on how the atom is boosted from being initially at rest to a configuration in which it is moving at constant velocity (nu) parallel to the planar interface. In addition, we point out that there is a subtle cancellation between the one-photon and part of the two-photon dissipating power, resulting in a leading order contribution to the frictional power which goes as nu(4). These results are also confirmed by an alternative calculation of the average radiation force, which scales as nu(3).

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Author details:Francesco Intravaia, Vanik E. Mkrtchian, Stefan Yoshi Buhmann, Stefan Scheel, Diego A. R. Dalvit, Carsten HenkelORCiDGND
DOI:https://doi.org/10.1088/0953-8984/27/21/214020
ISSN:0953-8984
ISSN:1361-648X
Pubmed ID:https://pubmed.ncbi.nlm.nih.gov/25965848
Title of parent work (English):Journal of physics : Condensed matter
Publisher:IOP Publ. Ltd.
Place of publishing:Bristol
Publication type:Article
Language:English
Year of first publication:2015
Publication year:2015
Release date:2017/03/27
Tag:atom-surface interaction; non-equilibrium; quantum friction
Volume:27
Issue:21
Number of pages:19
Funding institution:German Research Council [BU 1803/3-1]; Freiburg Institute for Advanced Studies; European Union Marie Curie People program through the Career Integration [631571]
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer review:Referiert
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