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Spin-polarizing interferometric beam splitter for free electrons

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arxiv 1607.08793 v2 pith:3UI63ZWV submitted 2016-07-29 quant-ph physics.atom-ph

classification quant-phphysics.atom-ph
keywords beamlaserelectronfieldcoherentlyelectronsfreeinterferometric
verification ladder T0 review T1 audit T2 compute T3 formal
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A spin-polarizing electron beam splitter is described which relies on an arrangement of linearly polarized laser waves of nonrelativistic intensity. An incident electron beam is first coherently scattered off a bichromatic laser field, splitting the beam into two portions, with electron spin and momentum being entangled. Afterwards, the partial beams are coherently superposed in an interferometric setup formed by standing laser waves. As a result, the outgoing electron beam is separated into its spin components along the laser magnetic field, which is shown by both analytical and numerical solutions of Pauli's equation. The proposed laser field configuration thus exerts the same effect on free electrons like an ordinary Stern-Gerlach magnet does on atoms.

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Cited by 1 Pith paper

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  1. Testing spooky action between free-traveling electron-positron pairs

    hep-ph 2025-02 conditional novelty 5.0 of 10

    Simulations show that Bhabha scattering can produce electron-positron pairs with near-maximal entanglement, and a two-target secondary-scattering scheme could in principle measure their spin correlations.

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