This is a rather broad question. Does anyone know of good video lectures for graduate level classical electrodynamics?
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My understanding of Graduate Level is an overlap between JD Jackson's Classical electrodynamics, Landau's Electrodynamics of continuous media and Landau's Classical Theory of fields. Unfortunately, there isnt much video material out there, which is justifiable because there is no great pedagogical need here. If you understand Griffith's level electrodynamics the Jackson's book is an advanced methods to solve sophisticated problems book. Which is best learnt by doing problems.
ALthough I am not greatly impressed, this is a set of video lectures that treats Landau and Jackson as textbooks.
It might be worthwhile to have a look at Leonard Susskind's lecture on classical electrodynamics and classical theory of fields in the special relativity module.
If you're looking for companion notes, then these lecture slides would help you a lot more specifically with understanding the material presented in Jackson, I found it really helpful.
You may try this sequence of 36 MIT lectures by Walter Lewin:
I would guess that at the end, they're undergraduate lectures - but if it is true, I would find it natural because there is nothing such as "universal graduate classical electromagnetism". The general shared material of classical electromagnetism belongs to the undergraduate curriculum. Graduate students may also learn classical electromagnetism but it must not be the basic or universal material but rather some "twist" that is appropriate for a narrower physics discipline that is still actively evolving.
Classical electromagnetism was researched mainly in the 19th century and as a general research subject, it's not really alive today. There are related active fields of research but they're not "just classical electromagnetism".
With people looking into sublimation and ionic dynamics someone might see this and use only the modern sources. Yet most of the research was done based on an earlier book. When working with maser's, isopropenal methante based reactors, I often had to turn to Julius Robert Oppenheimer work. Some things are not covered as they were discovered after he died. For fundamentals in how ions and electrons work there is not a better starting point.
Lectures on Electrodynamics (Documents on Modern Physics) Julius Robert Oppenheimer Series: Documents on Modern Physics Hardcover: 174 pages Publisher: Gordon & Breach Science Pub (June 1, 1970) Language: English ISBN-10: 0677401302 ISBN-13: 978-0677401300 Shipping Weight: 1 pounds