The free-space dyadic Green function is orthogonal to its curl

Abstract

The free-space dyadic Green function in electromagnetics is orthogonal to its own curl on any spherical surface whose center is the source point.

Keywords:

• Dyadic Green function
• orthogonality

Acknowledgments

The author is grateful to the Charles Godfrey Binder Endowment at Penn State for ongoing support of his research.

Data availability statement

No new data were created or analyzed in this study.

Disclosure statement

No potential conflict of interest was reported by the author(s).