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Multi-polaron solutions, nonlocal effects and internal modes in a nonlinear chain
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- Bondarenko, Nina G. (author)
- Uppsala universitet,Materialteori
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- Eriksson, Olle, 1960- (author)
- Uppsala universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Division of Materials theory, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden,Materialteori,Orebro Univ, Sch Sci & Technol, SE-70182 Orebro, Sweden
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- Skorodumova, Natalia (author)
- Uppsala universitet,KTH,Flerskalig materialmodellering,Uppsala Univ, Dept Phys & Astron, Div Mat Theory, Box 516, S-75121 Uppsala, Sweden,Division of Materials theory, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden; Multiscale Materials Modelling, Department of Materials Science and Engineering, Royal Institute of Technology, Stockholm, Sweden,Materialteori,Royal Inst Technol, Dept Mat Sci & Engn, Multiscale Mat Modelling, SE-10044 Stockholm, Sweden
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- (creator_code:org_t)
- Institute of Physics (IOP), 2019
- 2019
- English.
- In: Journal of Physics. - : Institute of Physics (IOP). - 0953-8984 .- 1361-648X. ; 31:41
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- polaron
- non-linear Schrodinger equation
- lattice dynamics
- soliton physics
- non-linear physics
- Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik
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- ref (subject category)
- art (subject category)
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