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We report an improved dynamic determination of the Casimir pressure P expt between two plane plates obtained using a micromachined torsional oscillator. The main improvements in the current experiment are a significant suppression of the surface roughness of the Au layers deposited on the interacting surfaces, and a decrease by a factor of 1.7 (down to 0.6… (More)

- Francesco Intravaia, Stephan Koev, +6 authors Daniel López
- Nature communications
- 2013

The Casimir force between bodies in vacuum can be understood as arising from their interaction with an infinite number of fluctuating electromagnetic quantum vacuum modes, resulting in a complex dependence on the shape and material of the interacting objects. Becoming dominant at small separations, the force has a significant role in nanomechanics and… (More)

- D E Krause, R S Decca, D López, E Fischbach
- Physical review letters
- 2007

The analysis of all Casimir force experiments using a sphere-plate geometry requires the use of the proximity-force approximation (PFA) to relate the Casimir force between a sphere and a flat plate to the Casimir energy between two parallel plates. Because it has been difficult to assess the PFA's range of applicability theoretically, we have conducted an… (More)

We present supplementary information on the recent indirect measurement of the Casimir pressure between two parallel plates using a micromachined oscillator. The equivalent pressure between the plates is obtained by means of the proximity force approximation after measuring the force gradient between a gold coated sphere and a gold coated plate. The data… (More)

- R. S. Decca, E. Fischbach, +4 authors V. M. Mostepanenko
- 2008

The recently suggested modification of the transverse electric contribution to the Lifshitz formula (S. K. Lamoreaux, arXiv:0801.1283) is discussed. We show that this modification is inconsistent with the data of two precise experiments, and violates the Nernst heat theorem. The preprint's suggestion concerning the resolution of the " apparent violation of… (More)

- Rakshya Khatiwada, Andrew Gavrin, +10 authors Rachel Kendrick
- 2017

Khatiwada, Rakshya, "Experimental constraints on exotic spin-dependent interactions using specialized materials" (2015). Open Access Dissertations. 486. This is to certify that the thesis/dissertation prepared By Entitled For the degree of Is approved by the final examining committee: To the best of my knowledge and as understood by the student in the… (More)

- Yu Ding, Zhe-Yu Jeff Ou, Sergei Savikhin, Ricardo Decca, Gautam Vemuri, Marvin D. Kemple
- 2016

Ding, Yu, "Efficient and coherent frequency conversions and nonlinear interference in optical parametric and atomic Raman processes" (2014). Open Access Dissertations. Paper 258.

- V B Bezerra, R S Decca, +6 authors C Romero
- Physical review. E, Statistical, nonlinear, and…
- 2006

Recently, Brevik [Phys. Rev. E, 71, 056101 (2005)] adduced arguments against the traditional approach to the thermal Casimir force between real metals and in favor of one of the alternative approaches. The latter assume zero contribution from the transverse electric mode at zero frequency in qualitative disagreement with unity as given by the thermal… (More)

- Daniel López, Ricardo S. Decca, Ephraim Fischbach, Dennis E. Krause
- Bell Labs Technical Journal
- 2005

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