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Interaction induced delocalisation for two particles in a periodic potential

Authors :
P. Butaud
Benoît Douçot
Julien Vidal
Rémy Mosseri
Laboratoire de Physique des Solides (LPS)
Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS)
Laboratoire de Physique Théorique et Hautes Energies (LPTHE)
Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Groupe de Physique des Solides (GPS)
Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Centre de Recherches sur les Très Basses Températures (CRTBT)
Université Joseph Fourier - Grenoble 1 (UJF)-Institut National Polytechnique de Grenoble (INPG)-Centre National de la Recherche Scientifique (CNRS)
Source :
Physical Review Letters, Physical Review Letters, American Physical Society, 2000, 85, pp.3906, Physical Review Letters, 2000, 85, pp.3906
Publication Year :
2000
Publisher :
HAL CCSD, 2000.

Abstract

We consider two interacting particles evolving in a one-dimensional periodic structure embedded in a magnetic field. We show that the strong localization induced by the magnetic field for particular values of the flux per unit cell is destroyed as soon as the particles interact. We study the spectral and the dynamical aspects of this transition.<br />4 pages, 5 EPS figures, minor misprints corrected

Details

Language :
English
ISSN :
00319007 and 10797114
Database :
OpenAIRE
Journal :
Physical Review Letters, Physical Review Letters, American Physical Society, 2000, 85, pp.3906, Physical Review Letters, 2000, 85, pp.3906
Accession number :
edsair.doi.dedup.....995cdc82e4ef2d5bf8569e6d545a70e6