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Multi-polaron solutions, nonlocal effects and internal modes in a nonlinear chain
Uppsala Univ, Dept Phys & Astron, Div Mat Theory, Box 516, S-75121 Uppsala, Sweden. riksson, O..
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Multiscale Materials Modelling. Uppsala Univ, Dept Phys & Astron, Div Mat Theory, Box 516, S-75121 Uppsala, Sweden.ORCID iD: 0000-0001-6417-5844
2019 (English)In: Journal of Physics: Condensed Matter, ISSN 0953-8984, E-ISSN 1361-648X, Vol. 31, no 41, article id 415401Article in journal (Refereed) Published
Abstract [en]

Multipolaron solutions were studied in the framework of the Holstein one-dimensional molecular crystal model. The study was performed in the continuous limit where the crystal model maps into the nonlinear Schrodinger equation for which a new periodic dnoidal solution was found for the multipolaron system. In addition, the stability of the multi-polaron solutions was examined, and it was found that dnoidal and dnoidal solutions stabilize in different ranges of the parameter space. Moreover, the model was studied under the influence of nonlocal effects and the polaronic dynamics was described in terms of internal solitonic modes.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2019. Vol. 31, no 41, article id 415401
Keywords [en]
polaron, non-linear Schrodinger equation, lattice dynamics, soliton physics, non-linear physics
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-255720DOI: 10.1088/1361-648X/ab306eISI: 000476531900001PubMedID: 31317871Scopus ID: 2-s2.0-85071069505OAI: oai:DiVA.org:kth-255720DiVA, id: diva2:1342778
Note

QC 20190814

Available from: 2019-08-14 Created: 2019-08-14 Last updated: 2019-10-04Bibliographically approved

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