Separate EM waves

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Main Question or Discussion Point

Electricity and magnetism had been unified under Maxwell's four famous equations. But I wonder if there any method to separate the this two components from an EM wave?

Will there be any effects if this two components are separated?

Hope you all can help me to solve this problem^^

Thank you for kind assistance :)
 

Answers and Replies

  • #2
Born2bwire
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No. If you were to "remove" (that is zero out the field) either the electric or the magnetic field component from an electromagnetic wave then you end up destroying the wave. If you want to see how the two are coupled explicitly, you can look at Jefimenko's Equations. Jefimenko's Equations show the excited electric and magnetic fields from a given set of sources. Any time-varying sources produce both electric and magnetic fields. If you were to "remove" one of these components the electromagnetic field has to break down. The two fields do become decoupled at very low frequencies and here you could destroy one of the fields without too severely affecting the other (over a reasonable set of distance).
 

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