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Lattice solitons in quasicondensates
Ahufinger, Verònica (Universität Hannover. Institut für Theoretische Physik)
Sanpera Trigueros, Anna (Universität Hannover. Institut für Theoretische Physik)
American Physical Society

Data: 2005
Resum: We analyze finite temperature effects in the generation of bright solitons in condensates in optical lattices. We show that even in the presence of strong phase fluctuations solitonic structures with a well defined phase profile can be created. We propose a novel family of variational functions which describe well the properties of these solitons and account for the nonlinear effects in the band structure. We discuss also the mobility and collisions of these localized wave packets.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; publishedVersion
Publicat a: Physical review letters, Vol. 94, Issue 13 (April 2005) , p. 130403, ISSN 0031-9007

DOI: 10.1103/PhysRevLett.94.130403

4 p, 915.2 KB

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