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Casimir effect

The Casimir effect is a force between two parallel metalic plane plates, which are not electrically charged.

 


Explanation

The formula for the force F reads

where

    ℏ Reduced Planck constant
    c Speed of light
    A Surface area of plates
    a Distance between the plates

 


History

The effect is named after the Dutch physicist Hendrik Casimir, who described it in 1948.


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