carrousel analogy

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    r07043531
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    We have seen three contributions the the hyperfine field: (1) The orbital contribution, (2) the spin dipolar contribution and (3) the Fermi contact contribution.

    The carousel in this analogy represent the atom with the nuclei (the middle of the carousel) and the electrons (the edges of the carousel).

    Contribution (1) can be visualised by placing an electrically charged ball at the edges of the carousel. The magnetic field is measured at the middle of the carousel (the nucleus) by using the magnetometer.

    Contribution (2) can be visualised by placing a bar magnet at the edges of the carousel. Once again, the magnetic field is measured at the middle of the carousel (the nucleus) by using the magnetometer.

    Contribution (3) can perhaps be seen as a kid which holds the bar magnet and the charged ball and runs around the carousel. In this scenario the the kid could run everywhere on the carousel, and thus also in the middel. In physics terms, this would mean that there is a finite change that the electron with a certain spin enters the nucleus.

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