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Title: Non-Markovianity in atom-surface dispersion forces

Here, we discuss the failure of the Markov approximation in the description of atom-surface fluctuation-induced interactions, both in equilibrium (Casimir-Polder forces) and out of equilibrium (quantum friction). Using general theoretical arguments, we show that the Markov approximation can lead to erroneous predictions of such phenomena with regard to both strength and functional dependencies on system parameters. Particularly, we show that the long-time power-law tails of two-time dipole correlations and their corresponding low-frequency behavior, neglected in the Markovian limit, affect the prediction of the force. These findings highlight the importance of non-Markovian effects in dispersion interactions.
Authors:
 [1] ;  [2] ;  [2] ;  [3] ; ORCiD logo [4]
  1. Max-Born Inst., Berlin (Germany)
  2. Univ. of Potsdam (Germany). Inst. of Physics and Astronomy
  3. Max-Born Inst., Berlin (Germany); Humboldt Univ. of Berlin (Germany). Inst. of Physics
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Report Number(s):
LA-UR-16-21507
Journal ID: ISSN 2469-9926; PLRAAN
Grant/Contract Number:
AC52-06NA25396; DMR-1119826
Type:
Accepted Manuscript
Journal Name:
Physical Review A
Additional Journal Information:
Journal Volume: 94; Journal Issue: 4; Journal ID: ISSN 2469-9926
Publisher:
American Physical Society (APS)
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE; National Science Foundation (NSF)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; Material Science
OSTI Identifier:
1375867
Alternate Identifier(s):
OSTI ID: 1329275