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

The European Physical Journal Special Topics volume 224, pages 477–482 (2015)Cite this article

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

Keywords

  • European Physical Journal Special Topic
  • Dipolar Interaction
  • Contact Interaction
  • Step Potential
  • Mesoscopic Physics