dc.contributor
Universitat Politècnica de Catalunya. Departament de Física
dc.contributor
Universitat Politècnica de Catalunya. SIMCON - First-principles approaches to condensed matter physics: quantum effects and complexity
dc.contributor.author
Guijarro Gámez, Grecia
dc.contributor.author
Pricoupenko, A.
dc.contributor.author
Astrakharchik, Grigori
dc.contributor.author
Boronat Medico, Jordi
dc.contributor.author
Petrov, D. S.
dc.date.issued
2018-06-14
dc.identifier
Guijarro, G., Pricoupenko, A., Astrakharchik, G., Boronat, J., Petrov, D. One-dimensional three-boson problem with two- and three-body interactions. "Physical review A", 14 Juny 2018, vol. 97, p. 061605-1-061605-5.
dc.identifier
https://hdl.handle.net/2117/122272
dc.identifier
10.1103/PhysRevA.97.061605
dc.description.abstract
We solve the three-boson problem with contact two- and three-body interactions in one dimension and analytically calculate the ground and excited trimer-state energies. Then, by using the diffusion Monte Carlo
technique, we calculate the binding energy of three dimers formed in a one-dimensional Bose-Bose or Fermi-Bose mixture with attractive interspecies and repulsive intraspecies interactions. Combining these results with our three-body analytics, we extract the three-dimer scattering length close to the dimer-dimer zero crossing. In both
considered cases, the three-dimer interaction turns out to be repulsive. Our results constitute a concrete proposal for obtaining a one-dimensional gas with a pure three-body repulsion.
dc.description.abstract
Peer Reviewed
dc.description.abstract
Postprint (published version)
dc.format
application/pdf
dc.publisher
American Physical Society (APS)
dc.relation
https://journals.aps.org/pra/abstract/10.1103/PhysRevA.97.061605
dc.rights
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights
Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.subject
Àrees temàtiques de la UPC::Física
dc.subject
Monte Carlo method
dc.subject
Montecarlo, Mètode de
dc.title
One-dimensional three-boson problem with two- and three-body interactions
