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Title

Effect of temperature variations on equilibrium distances in levitating parallel dielectric plates interacting through Casimir forces

AuthorsEsteso, Victoria CSIC ORCID; Carretero-Palacios, Sol; Míguez, Hernán CSIC ORCID
Issue Date2016
PublisherAmerican Institute of Physics
CitationJournal of Applied Physics, 119, 144301 (2016)
AbstractWe study at thermal equilibrium the e ect of temperature deviations around room temperature on the equi- librium distance (deq) at which thin lms made of Te on, silica or polystyrene immersed in glycerol levitate over a silicon substrate due to the balance of Casimir, gravity, and buoyancy forces. We nd that the equi- librium nature (stable or unstable) of deq is preserved under temperature changes, and provide simple rules to predict whether the new equilibrium position will occur closer or further from the substrate at the new temperature. These rules depend on the static permittivities of all materials comprised in the system ("(m) 0 ) and the equilibrium nature of deq. Our designed dielectric con guration is excellent for experimental obser- vation of thermal e ects on the Casimir force indirectly detected through the tunable equilibrium distances (with slab thickness and material properties) in levitation mode.
Publisher version (URL)http://dx.doi.org/10.1063/1.4945428
URIhttp://hdl.handle.net/10261/132512
DOI10.1063/1.4945428
Appears in Collections:(ICMS) Artículos




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