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A toy model for the dipolar-induced resonance in quasi-one-dimensional systems

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Abstract

We discuss the properties of the effective dipolar interaction for two particles tightly confined along a one-dimensional tube, stressing the emergence of a single dipolar-induced resonance in a regime for which two classical dipoles would just repel each other. We present a toy-model potential reproducing the main features of the effective interaction: a non-zero-range repulsive potential competing with an attractive contact term. The existence of a single resonance is confirmed analytically. The toy model is than generalized to investigate the interplay between dipolar and contact interaction, giving an intuitive interpretation of the resonance mechanism.

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Authors and Affiliations

  1. INO-CNR BEC Center and Dip. di Fisica, Università di Trento, Povo, Italy

    N. Bartolo, D. J. Papoular, A. Recati & C. Menotti

  2. Lab. C. Coulomb (L2C), UMR 5221 CNRS-Univ. Montpellier 2, Montpellier, France

    N. Bartolo

Authors
  1. N. Bartolo
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  2. D. J. Papoular
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  3. A. Recati
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  4. C. Menotti
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Correspondence to N. Bartolo.

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Bartolo, N., Papoular, D.J., Recati, A. et al. A toy model for the dipolar-induced resonance in quasi-one-dimensional systems. Eur. Phys. J. Spec. Top. 224, 477–482 (2015). https://doi.org/10.1140/epjst/e2015-02377-y

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  • DOI: https://doi.org/10.1140/epjst/e2015-02377-y

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