Home Forums Hyperfine course framework double ring Orientation of dumb-bells

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    alpha > 0 (small rings far apart): a dumb-bell along the z-axis is stable
    alpha < 0 (big rings close together): a dumb-bell is the x-y plane is stable
    alpha = 0 (distance between rings = sqrt(2)*radius rings): potential energy is zero everywhere there is no stable position

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