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Volumn 77, Issue 7, 2008, Pages

Influence of random roughness on the Casimir force at small separations

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EID: 40949142887     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.77.075412     Document Type: Article
Times cited : (124)

References (41)
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    • For self-affine roughness g (r) scales as g (r) r2H if r ξ, and g (r) =2 w2 if r ξ. Thus, H is determined by the slope (=2H) of the linear part of g (r) in a log-log plot, and ξ by the crossover between a linear fit and the saturation regime that gives also w.
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    • http://www.veeco.com/products/details.php?cat=1&sub=&pid=192. Creep and hysteresis are minimized by the closed loop scanner (noise error <0.5 nm and 0.1% nonlinearity). The force curves in Fig. 3 consist of 103 points (averaged above 100 nm if the difference in force between successive points was ≤1%). Each force curve is measured in 0.5 s to minimize thermal drift.
    • http://www.veeco.com/products/details.php?cat=1&sub=&pid=192. Creep and hysteresis are minimized by the closed loop scanner (noise error <0.5 nm and 0.1% nonlinearity). The force curves in Fig. 3 consist of 103 points (averaged above 100 nm if the difference in force between successive points was ≤1%). Each force curve is measured in 0.5 s to minimize thermal drift.
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    • In Fig. 3, the actual theory plots show a close linear relation for the force vs separation D as FCas D-2.5, and therefore we obtain the relative error in the force Δ FCas FCas ≅ (2.5ΔD D) with ΔD the error in separation. Thus, the error in do is an experimental error and it will be transferred as an error in the force curve. In fact, upon repeating the force measurements, one can see a variation in the force curves due to this error in do (this point is also clarified in the work arXiv:quant-ph/0312043 (unpublished).
    • In Fig. 3, the actual theory plots show a close linear relation for the force vs separation D as FCas D-2.5, and therefore we obtain the relative error in the force Δ FCas FCas ≅ (2.5ΔD D) with ΔD the error in separation. Thus, the error in do is an experimental error and it will be transferred as an error in the force curve. In fact, upon repeating the force measurements, one can see a variation in the force curves due to this error in do (this point is also clarified in the work D. Iannuzzi, I. Gelfand, M. Lisanti, and F. Capasso, (arXiv:quant-ph/0312043 (unpublished).
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    • Capillary condensation occurs for separation closer than about twice the Kelvin condensation length (∼1.5 nm for water at room temperature and 50% relative humidity). JVTBD9 0734-211X 10.1116/1.589247
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.