Q/ If E is a macroscopic field inside the dielectric , and consider an atom at...

Q/ If E is a macroscopic field inside the dielectric , and consider an atom at position R , Draw a sphere of radius ℓ ( Lorentz sphere) about R. suppose( l » a interatomic spacing ). The contribution to the microscope field at R from induced dipoles on other atoms can be divided in two parts ;

For atoms inside sphere
For atoms outside sphere

For the two cases prove that the local field at center of sphere is :

E_LF = E₀ – 4/3 πP + 4/3 πP + 0

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genius_generous answered 1 year ago

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