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Wading through the void: Exploring quantum friction and nonequilibrium fluctuations

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arxiv 2112.12195 v2 pith:U4HD7DVB submitted 2021-12-22 quant-ph

Wading through the void: Exploring quantum friction and nonequilibrium fluctuations

classification quant-ph
keywords quantumfrictionfluctuationsvacuumanotherapproachesarticlechallenges
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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When two or more objects move relative to one another in vacuum, they experience a drag force which, at zero temperature, usually goes under the name of quantum friction. This contactless non-conservative interaction is mediated by the fluctuations of the material-modified quantum electrodynamic vacuum and, hence, is purely quantum in nature. Numerous investigations have revealed the richness of the mechanisms at work, thereby stimulating novel theoretical and experimental approaches and identifying challenges as well as opportunities. In this article, we provide an overview of the physics surrounding quantum friction and a perspective on recent developments.

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