Effect of Spatial Dispersion upon Physisorption Energies: He on Metals

Kleiman, G. G.; Landman, Uzi

doi:10.1103/physrevlett.33.524

Cited by 56 publications

(2 citation statements)

References 20 publications

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“…The use of the Lifshitz free energy F(z, T ) for systems with spatial dispersion (as was done, e.g., in [44] where ε i (ω, k ⊥ ) of the hydrodynamic model were substituted into F) is not correct [43]. As was emphasized in [43], 'for most of condensed matter bodies this is inadmissible'.…”

Section: F(z T ) = F(z T ) + F(z T )mentioning

confidence: 99%

Present status of controversies regarding the thermal Casimir force

Mostepanenko

Bezerra

Decca

et al. 2006

J. Phys. A: Math. Gen.

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It is well known that, beginning in 2000, the behaviour of the thermal correction to the Casimir force between real metals has been hotly debated. As was shown by several research groups, the Lifshitz theory, which provides the theoretical foundation for the calculation of both the van der Waals and Casimir forces, leads to different results depending on the model of metal conductivity used. To resolve these controversies, theoretical considerations based on the principles of thermodynamics and new experimental tests were invoked. We analyse the present status of the problem (in particular, the advantages and disadvantages of the approaches based on the surface impedance and on the Drude model dielectric function) using rigorous analytical calculations of the entropy of a fluctuating field. We also discuss the results of a new precise experiment on the determination of the Casimir pressure between two parallel plates by means of a micromechanical torsional oscillator.

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