Improved effective-range expansions for small and large values of scattering length

dc.contributor.authorAdhikari, S. K. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T17:22:41Z
dc.date.available2018-12-11T17:22:41Z
dc.date.issued2018-08-14
dc.description.abstractThe textbook effective-range expansion of scattering theory is useful in the analysis of low-energy scattering phenomenology when the scattering length |a| is much larger than the range R of the scattering potential: |a| ≫ R. Nevertheless, the same has been used for systems where the scattering length is much smaller than the range of the potential. We suggest and numerically study an effective-range expansion for |a| ≪ R as well as improved twoparameter effective-range expansions for the cases |a| > R and |a| < R. The improved effective-range expansions for |a| > R and |a| < R reduce to the expansions for |a| R ≫ 1 and |a| R ≪ 1, respectively, in appropriate limits.en
dc.description.affiliationInstituto de Física Teórica UNESP - Universidade Estadual Paulista
dc.description.affiliationUnespInstituto de Física Teórica UNESP - Universidade Estadual Paulista
dc.identifierhttp://dx.doi.org/10.1088/1361-6404/aad620
dc.identifier.citationEuropean Journal of Physics, v. 39, n. 5, 2018.
dc.identifier.doi10.1088/1361-6404/aad620
dc.identifier.file2-s2.0-85053139291.pdf
dc.identifier.issn1361-6404
dc.identifier.issn0143-0807
dc.identifier.scopus2-s2.0-85053139291
dc.identifier.urihttp://hdl.handle.net/11449/176830
dc.language.isoeng
dc.relation.ispartofEuropean Journal of Physics
dc.relation.ispartofsjr0,337
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjecteffective range
dc.subjectpotential scattering
dc.subjectscattering length
dc.titleImproved effective-range expansions for small and large values of scattering lengthen
dc.typeArtigo
unesp.author.orcid0000-0002-0388-3991[1]

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