Vector potential and constant magnetic flux density

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Discussion Overview

The discussion revolves around verifying analytically that a specific vector potential, given by A=1/2(-yB0,xB0,0), results in a constant magnetic flux density of magnitude B0 in the z direction. The focus is on the mathematical proof of this relationship using the curl operator.

Discussion Character

  • Technical explanation
  • Mathematical reasoning

Main Points Raised

  • One participant proposes that the vector potential A=1/2(-yB0,xB0,0) should yield a constant magnetic flux density in the z direction, suggesting the use of the curl operator.
  • Another participant confirms the correctness of the approach, clarifying the notation for the curl operator.
  • A further participant expresses the need for a mathematical method to prove the relationship.
  • One participant suggests writing out the components of the curl in Cartesian coordinates as a step towards the proof.

Areas of Agreement / Disagreement

Participants appear to agree on the validity of the proposed vector potential and the method of using the curl operator, but the discussion remains unresolved regarding the detailed mathematical proof.

skyboarder2
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Hi,

I would like to verify analytically that a vector potential of the form A=1/2(-yB0,xB0,0) produces a constant magnetic flux density of magnitude B0 in the z direction.
(I guess I'd have to use the relation B=\forall\wedgeA...)
 
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That is correct (assuming you meant to write the symbol \nabla). Do you have a question?
 
Nope, I just look for a method to prove it mathematically
 
Write out the components of \vec{\nabla} \times \vec{A} in Cartesian coordinates.
 

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