Potential Difference of Point Charge in a Non-Uniform Field
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The Main Idea
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A Mathematical Model
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Industrial Application
Coulomb Barrier for Nuclear Fusion: For two particles (ex: 2 protons to fuse), they must be able to get close enough to one another for the nuclear strong force to overcome their electric repulsion. One must understand the potential difference of a point charge and the potential energy that creates a barrier between two point charges which can be calculated using U=ke^2/r where k =9e9 and e=1.6e-19 The r calculated using this formula determines the radius at which the nuclear attractive force becomes dominant.
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See also
Calculating Electric Field of a Point Charge
http://www.physicsbook.gatech.edu/Point_Charge
Potential Difference in Uniform Electric Field
http://www.physicsbook.gatech.edu/Potential_Difference_in_a_Uniform_Field
Further reading
Chabay, Ruth W., and Bruce A. Sherwood. Matter and Interactions: Electric and Magnetic Interactions. 4th ed. Vol. II. Place of Publication Not Identified: John Wiley, 2015. Print. Chapter 16. Section 16.5
External links
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/potpoi.html
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/mulpoi.html
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