نتایج جستجو برای: van der waals

تعداد نتایج: 202706  

Journal: :The Journal of chemical physics 2010
Jalal Sarabadani Ali Naji David S Dean Ron R Horgan Rudolf Podgornik

We investigate the effect of monopolar charge disorder on the classical fluctuation-induced interactions between randomly charged net-neutral dielectric slabs and discuss various generalizations of recent results [A. Naji et al., Phys. Rev. Lett. 104, 060601 (2010)] to highly inhomogeneous dielectric systems with and without statistical disorder correlations. We shall focus on the specific case...

2002
Daniel C. Cole Alfonso Rueda

The material contained here is intended to supplement and support the information reported in our article, “On a Stochastic Non-relativistic Approach to Gravity as Originating from Vacuum Zero-Point Field van der Waals Forces,” to be published in Phys. Rev. A. The present material can be obtained from the EPAPS homepage (http://www.aip.org/pubservs/epaps.html) or from ftp.aip.org in the directo...

2003
John F. Dobson

We discuss a possible form for a theory akin to local density functional theory, but able to produce van der Waals energies in a natural fashion. The usual Local Density Approximation (LDA) for the exchange and correlation energy Exc of an inhomogeneous electronic system can be derived by making a quasilocal approximation for the interacting density-density response function χ(~r, ~r , ω), then...

2000
Len M. Pismen Boris Y. Rubinstein Ivan Bazhlekov

It has been long recognized that liquids can spread under the action of disjoining pressure. In the case of a liquid attracted to the solid by van der Waals forces, a precursor film is formed, and there is no well-defined contact line that would give rise to the infamous viscous stress singularity. Nevertheless, the problem remains difficult, due to the divergence of both viscous and disjoining...

Journal: :Journal of physics. Condensed matter : an Institute of Physics journal 2012
Felix Hanke Matthew S Dyer Jonas Björk Mats Persson

We have investigated the performance of popular density functionals that include van der Waals interactions for the experimentally well-characterized problem of ethene (C(2)H(4)) adsorbed on the low-index surfaces of copper. This set of functionals does not only include three van der Waals density functionals-vdwDF-PBE, vdwDF-revPBE and optB86b-vdwDF-and two dispersion-corrected functionals-Gri...

2012
Rick F. Rajter Roger H. French W. Y. Ching Rudolf Podgornik Adrian Parsegian

Optical dispersion spectra at energies up to 30 eV play a vital role in understanding the chiralitydependent van der Waals–London dispersion interactions of single wall carbon nanotubes (SWCNTs). We use one-electron theory based calculations to obtain the band structures and the frequency dependent dielectric response function from 0–30 eV for 64 SWCNTs differing in radius, electronic structure...

Journal: :Physical Review E 2007

Journal: :Physical Review D 2007

Journal: :npj Quantum Materials 2017

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