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Casimir Effect

The Casimir effect describes the attractive force between two uncharged, perfectly conducting plates arising from quantum fluctuation effects.

The Casimir force increases directly with surface area, but decreases inversely with the fourth power of plane separation.

Formula

QuantityVariable[Subscript["F", "C"], "Force"] == (Quantity[Pi^2/240, "ReducedPlanckConstant"*"SpeedOfLight"]*QuantityVariable["A", "Area"])/QuantityVariable["a", "Distance"]^4

symbol description physical quantity
FC Casimir force "Force"
a plate separation "Distance"
A plate area "Area"

Forms

Examples

Get the resource:

In[1]:=
ResourceObject["Casimir Effect"]
Out[1]=

Get the formula:

In[2]:=
FormulaData[ResourceObject["Casimir Effect"]]
Out[2]=

Use some values:

In[3]:=
FormulaData[ ResourceObject[ "Casimir Effect"], {QuantityVariable["A","Area"] -> Quantity[50.`, ("Centimeters")^2]}]
Out[3]=

Source Metadata

  • Creator:
  • Date: 1948

Publisher Information