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Enlarged molecules from excited atoms in nanochannels
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.
Vise andre og tillknytning
2012 (engelsk)Inngår i: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 86, nr 1, s. 014701-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The resonance interaction that takes place in planar nanochannels between pairs of excited-state atoms is explored. We consider interactions in channels of silica, zinc oxide, and gold. The nanosized channels induce a dramatically different interaction from that in free space. Illustrative calculations for two lithium and cesium atoms demonstrate that there is a short-range repulsion followed by long-range attraction. The binding energy is strongest near the surfaces. The size of the enlarged molecule is biggest at the center of the cavity and increases with channel width. Since the interaction is generic, we predict that enlarged molecules are formed in porous structures, and that the molecule size depends on the size of the nanochannels.

sted, utgiver, år, opplag, sider
2012. Vol. 86, nr 1, s. 014701-
Emneord [en]
Atoms, Binding energy, Cesium, Lithium, Silica, Zinc oxide
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-99398DOI: 10.1103/PhysRevA.86.014701ISI: 000305934300009Scopus ID: 2-s2.0-84863464637OAI: oai:DiVA.org:kth-99398DiVA, id: diva2:542288
Forskningsfinansiär
Swedish Research Council, 70529001
Merknad
QC 20120731Tilgjengelig fra: 2012-07-31 Laget: 2012-07-30 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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Persson, Clas

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