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  Wavelike Charge Density Fluctuations and van der Waals Interactions at the Nanoscale

Ambrosetti, A., Ferri, N., DiStasio, R. A., & Tkatchenko, A. (2016). Wavelike Charge Density Fluctuations and van der Waals Interactions at the Nanoscale. Science, 351(6278), 1171-1176. doi:10.1126/science.aae0509.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-7FCA-7 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-FD78-B
Genre: Journal Article

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 Creators:
Ambrosetti, Alberto1, 2, Author           
Ferri, Nicola1, Author           
DiStasio, Robert A.3, Author
Tkatchenko, Alexandre1, 4, Author           
Affiliations:
1Theory, Fritz Haber Institute, Max Planck Society, ou_634547              
2Dipartimento di Fisica e Astronomia, Universit`a degli Studi di Padova, 35131, Padova, Italy, ou_persistent22              
3Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA, ou_persistent22              
4Physics and Materials Science Research Unit, University of Luxembourg, L-1511 Luxembourg, ou_persistent22              

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 Abstract: Recent experiments on non-covalent interactions at the nanoscale have chal- lenged the basic assumptions of commonly used particle- or fragment-based models for describing van der Waals (vdW) or dispersion forces. We demon- strate that a qualitatively correct description of the vdWinteractions between polarizable nanostructures over a wide range of finite distances can only be attained by accounting for the wavelike nature of charge density fluctuations. By considering a diverse set of materials and biological systems with markedly different dimensionalities, topologies, and polarizabilities, we find a visible en- hancement in the non-locality of the charge density response in the range of 10 to 20 nanometers. These collective wavelike fluctuations are responsible for the emergence of non-trivial modifications of the power laws which govern non-covalent interactions at the nanoscale.

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 Dates: 2016-02-012016-03-11
 Publication Status: Issued
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1126/science.aae0509
 Degree: -

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Project name : VDW-CMAT - Van der Waals Interactions in Complex Materials
Grant ID : 278205
Funding program : Funding Programme 7 (FP7)
Funding organization : European Commission (EC)

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Title: Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: 6 Volume / Issue: 351 (6278) Sequence Number: - Start / End Page: 1171 - 1176 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1