Electrodynamics in two space dimensions :-(

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Homework Help Overview

The discussion revolves around a problem in electrodynamics within a two-dimensional space, focusing on the equations of motion (EOM) and their derivation. The original poster expresses difficulty in solving the problem and seeks assistance.

Discussion Character

  • Exploratory, Assumption checking, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss potential errors in the original poster's derivation, including incorrect indices and missing terms. There is a suggestion to redo the derivation with more detail and to calculate a specific expression using the equations of motion.

Discussion Status

Some guidance has been offered regarding the need to revisit the derivation and check for errors. The conversation indicates an ongoing exploration of the problem without a clear consensus on the next steps.

Contextual Notes

The original poster has provided attachments of the problem and their attempted solution, which may contain additional context for the discussion.

ted1986
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Hi all,

I've got this problem (which is attached as q1.jpg).

I've tried to solve it, but I'm stuck... my solution is also attached (my_sol1.jpg).

PLS help me :-(

Thnx

TED
 

Attachments

  • q1.jpg
    q1.jpg
    37.2 KB · Views: 541
  • my_sol1.jpg
    my_sol1.jpg
    24.3 KB · Views: 534
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In your derivation of the EOM, you got some indices wrong and forgot an A^μ. Maybe there are also sign or coefficient errors, haven't checked it in detail. I propose you to redo it in more detail.
For the next step, derive your EOM once and calculate ( θ η^{μν} - ε^{μνα} ∂_α ) J_ν using your EOM and the derived version, which should give you the left side.
 
Thanks! I'll try it...

Do I know you from somewhere ? ;-)
 
Don't know if I have seen you, but if you were born in 1986, that's possible ... you have a private message.
 

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