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24th European Conference on Few-Body Problems in Physics

1–6 Sept 2019
University of Surrey
Europe/London timezone

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Session

Parallel Session Friday: Atoms and Molecules

6 Sept 2019, 14:00
University of Surrey

University of Surrey

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  1. 46. Low-dimensional few-body collisional processes in atom-ion traps
    Prof. Vladimir Melezhik (Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research)
    06/09/2019, 14:00
    Invited
    Talk

    In recent years, there has been a rapidly growing interest in ultracold hybrid atomic-ion systems. It is caused by the new opportunities opening here for modeling various quantum system and processes with controllable properties. Particularly, in the recent paper of Melezhik and Negretti[1] the confinement-induced resonances (CIRs) in ultracold hybrid atom-ion systems were predicted, which can...

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  2. 59. Three-body correlations in mesonic-atom-like systems
    Hajime Moriya (Hokkaido Univ.)
    06/09/2019, 14:30
    Atoms and Molecules
    Talk

    Mesonic atoms are the Coulomb bound systems of a nucleus and mesons. They interact with short-range strong interactions in addition to the long-range Coulomb potential. Studies of such kind of systems lead to the understanding of the short-range interactions such as meson-nucleon interactions. In Ref. [J.-M. Richard, C. Fayard, Phys. Lett. A 381, 3217-3221 (2017)], a system consisting of...

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  3. 48. Scattering phase shifts and mixing angles for an arbitrary number of coupled channels on the lattice
    Lukas Bovermann (Ruhr-Universität Bochum)
    06/09/2019, 14:55
    Few-Body Methods
    Talk

    We present a lattice method for determining scattering phase shifts and mixing angles for the case of an arbitrary number of coupled channels. Previous lattice studies were restricted to mixing of up to two partial waves for scattering of two spin-$1/2$ particles, which is insufficient for analyzing nucleon-nucleus or nucleus-nucleus scattering processes. In the proposed method, the phase...

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  4. 69. Solving the few-body problem with artificial neural networks
    Mr James Keeble (University of Surrey)
    06/09/2019, 15:20
    Few-Body Methods
    Talk

    Artificial Neural Networks (ANNs) have recently been used to solve a variety of quantum few- and many-body problems [1,2]. ANNs efficiently encapsulate information of the wavefunction and can be used to effectively solve variational problems [3]. I will discuss an implementation of these methods to solve a benchmark nuclear physics problem – the ground state of the deuteron [4]. I will...

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