Non-Markovianity in atom-surface dispersion forces

作者: F. Intravaia , R. O. Behunin , C. Henkel , K. Busch , D. A. R. Dalvit

DOI: 10.1103/PHYSREVA.94.042114

关键词: Statistical physicsPhysicsMarkov processLimit (mathematics)DipoleQuantumDispersion (water waves)Functional dependencyClassical mechanicsLondon dispersion forceMarkov chain

摘要: We discuss the failure of Markov approximation in description atom-surface fluctuation-induced interactions, both equilibrium (Casimir-Polder forces) and out (quantum friction). Using general theoretical arguments, we show that can lead to erroneous predictions such phenomena with regard strength functional dependencies on system parameters. In particular, long-time power-law tails two-time dipole correlations their corresponding low-frequency behavior, neglected Markovian limit, affect prediction force. Our findings highlight importance non-Markovian effects dispersion interactions.

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