**From:** Sainath Nimmagadda (*[email protected]*)

**Date:** Tue Mar 20 2001 - 17:43:36 PST

**Next message:**SHRIPADARAJ AD: "Re: Re: [SI-LIST] : Jitter measurement"**Previous message:**David Bengtson: "Re: [SI-LIST] : Jitter measurement"**In reply to:**JuYoung Lee: "Re: [SI-LIST] : Re: approximations for partial self inductance - WHY"

Dear JuYoung,

JuYoung Lee wrote:

*> Michael,
*

*>
*

*> Good point.
*

*>
*

*> In Physics community, people often say about gauge attached to vector
*

*> potential A. A is defined by curl A = B. You can attach any gradiant
*

*> of function X (gauge) to A without affecting E and B field according
*

*> to Maxwell equation form. So A' = A + gradient X and there are
*

*> infinitely many options of A'.
*

*>
*

*> One interpretation is that A' is partial inductance per unit length.
*

Checking dimensions: in curl A = B, A has the units of webers/m or

Volt-Sec/m. From above interpretation, A' has units of Henry/m or

Volt-Sec/Amp/m. Am I missing something here?

Thanks,

Sainath

*>
*

*>
*

*> Field solvers often use A'. As long as one sticks to a particular
*

*> choice of X consistently, the potential error in using partial
*

*> inductance can be avoided.
*

*>
*

*> And X is supposed to mean "nonexistence" in electromagnetics. In
*

*> quantum physcis it means something related to phase of photon.
*

*>
*

*> Regards,
*

*> JuYoung
*

**** To unsubscribe from si-list or si-list-digest: send e-mail to

[email protected] In the BODY of message put: UNSUBSCRIBE

si-list or UNSUBSCRIBE si-list-digest, for more help, put HELP.

si-list archives are accessible at http://www.qsl.net/wb6tpu

****

**Next message:**SHRIPADARAJ AD: "Re: Re: [SI-LIST] : Jitter measurement"**Previous message:**David Bengtson: "Re: [SI-LIST] : Jitter measurement"**In reply to:**JuYoung Lee: "Re: [SI-LIST] : Re: approximations for partial self inductance - WHY"

*
This archive was generated by hypermail 2b29
: Thu Jun 21 2001 - 10:11:17 PDT
*