Conversion of twistedness from light to atoms

• URL: http://arxiv.org/abs/2404.11558v2
• Date: Mon, 20 May 2024 12:19:45 GMT
• Title: Conversion of twistedness from light to atoms
• Authors: S. S. Baturin, A. V. Volotka,
• Abstract summary: We show that in the inelastic collision of a photon and an atom, the twisted state of the photon is transferred to the center-of-mass state. We also show that, depending on the experimental conditions, the twistedness of the photon is either transferred to the atomic center-of-mass quantum state or modifies the selection rule for the bound electron transition.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We develop a simple model and propose a scheme that allows the production of twisted atoms in free space using the absorption of twisted photons by a bound electron. We show that in the inelastic collision of a photon and an atom, the twisted state of the photon is transferred to the center-of-mass state, so that the projection of the orbital momentum of the atom becomes $m_\gamma-\Delta m_e$. We also show that, depending on the experimental conditions, the twistedness of the photon is either transferred to the atomic center-of-mass quantum state or modifies the selection rule for the bound electron transition. Proposed scheme is general and enables complex shaping of the atomic wavefront.

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