Contact interactions: the two-dimensional case
نویسندگان
چکیده
Abstract We prove that in two dimensions the contact interaction of wave functions is represented by a self-adjoint operator. Together with confining potential, this provides stable condensate two-particle systems. Recall three one has four (the Bose–Einstein condensate).
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ژورنال
عنوان ژورنال: European Physical Journal Plus
سال: 2021
ISSN: ['2190-5444']
DOI: https://doi.org/10.1140/epjp/s13360-021-02051-1