7-11 July 2014
Africa/Johannesburg timezone
<a href="http://events.saip.org.za/internalPage.py?pageId=16&confId=34"><font color=#0000ff>SAIP2014 Proceedings published on 17 April 2015</font></a>

A circular current's bi-Cartesian magnetic dipolar model and the bias in deriving fields from own potentials

9 Jul 2014, 17:10
1h 50m
D Ring ground level

D Ring ground level

Board: G.438
Poster Presentation Track G - Theoretical and Computational Physics Poster2

Speaker

Dr Max Chirwa (Walter Sisulu University)

Would you like to <br> submit a short paper <br> for the Conference <br> Proceedings (Yes / No)?

Yes

Apply to be<br> considered for a student <br> &nbsp; award (Yes / No)?

NO

Abstract content <br> &nbsp; (Max 300 words)<br><a href="http://events.saip.org.za/getFile.py/access?resId=0&materialId=0&confId=34" target="_blank">Formatting &<br>Special chars</a>

Traditional reliance on deriving fields from potentials where there is symmetry does not explain generally why this may or may not be successful. Our bi-Cartesian dipolar model of a circular current shows that magnetic fields at any field point are derivable from associated Cartesian components of the magnetic vector potential. Then clarifying the bias in deriving fields from own potentials becomes fairly easy. This is done in parallel with that a simple axial electric dipole. It also shows that the traditional an hoc definition of a circular current's magnetic dipolar moment is based on functionally limited component magnetic vector potentials, and is icorrect by a factor of 2.

Level for award<br>&nbsp;(Hons, MSc, <br> &nbsp; PhD)?

None

Primary author

Dr Max Chirwa (Walter Sisulu University)

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