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Finite-size-depende...
Finite-size-dependent dispersion potentials between atoms and ions dissolved in water
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- Thiyam, Priyadarshini (författare)
- KTH,Materialvetenskap,Royal Institute of Technology, Stockholm, Sweden
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- Boström, Mathias (författare)
- KTH,Flerskalig materialmodellering,Royal Institute of Technology, Stockholm, Sweden; University of Oslo, Norway; Norwegian University of Science and Technology, Trondheim, Norway
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- Persson, Clas (författare)
- KTH,Flerskalig materialmodellering,Royal Institute of Technology, Stockholm, Sweden; University of Oslo, Norway
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- Parsons, D. F. (författare)
- Australian National University, Australia
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- Brevik, I. (författare)
- Norwegian University of Science and Technology,Trondheim, Norway
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- Sernelius, Bo (författare)
- Linköpings universitet,Teoretisk Fysik,Tekniska högskolan
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(creator_code:org_t)
- 2014-06-09
- 2014
- Engelska.
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Ingår i: Europhysics letters. - : IOP Publishing. - 0295-5075 .- 1286-4854. ; 106:5, s. 53002-
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- A non-expanded theory is used for dispersion potentials between atoms and ions dissolved in a medium. The first-order dispersion interaction between two atoms in an excited state must account for the fact that the two atoms are coupled via the electromagnetic field and must include effects from background media, retardation and finite size. We show that finite-size corrections when two particles are close change the dispersion interactions in water by several orders of magnitude. We consider as four illustrative examples helium atoms, krypton atoms, phosphate ions, and iodide ions. We demonstrate that, due to large cancellation effects, retardation dominates the interaction for helium atom pairs in an isotropic excited state down to the very small atom-atom separations where finite-size corrections are also important.
Ämnesord
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Correlated Molecular Calculations
- Gaussian-Basis Sets
- Energy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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