Most accurate form of maxwell equations?

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SUMMARY

The discussion centers on the most accurate formulation of Maxwell's equations in light of current understanding in quantum mechanics (QM) and relativity. Participants assert that Maxwell's equations represent classical electromagnetism (EM) and emphasize that they do not require modification for accuracy. The conversation highlights the distinction between classical and quantum theories, noting that Quantum Electrodynamics (QED) merges electromagnetism with quantum mechanics. Additionally, the need for Quantum Field Theory (QFT) as a precursor to studying QED is mentioned, indicating the complexity of integrating these concepts.

PREREQUISITES
  • Understanding of Maxwell's equations in classical electromagnetism
  • Familiarity with Quantum Electrodynamics (QED)
  • Knowledge of Quantum Field Theory (QFT)
  • Basic principles of special relativity
NEXT STEPS
  • Study the Covariant formulation of classical electromagnetism
  • Learn about Quantum Electrodynamics (QED) and its implications
  • Explore Quantum Field Theory (QFT) as a foundation for advanced topics
  • Research the concept of a grand unified theory in particle physics
USEFUL FOR

Physicists, students of theoretical physics, and anyone interested in the intersection of electromagnetism, quantum mechanics, and relativity.

DeepSeeded
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What is everyones thoughts on the most accurate form of these equations with our current understanding of QM and relativity. Including the fact that a photon has greater than 0 rest mass.

Would the two tensor equations of Covariant formulation of classical electromagnetism be the most accurate?
 
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DeepSeeded said:
Including the fact that a photon has greater than 0 rest mass.

This is not a fact.
 
Vanadium 50 said:
This is not a fact.

I thought QM proves no form of energy can ever be 0, at minimum it must be hbar/2
 
Maxwell's equations ARE classical EM. No less accurate or more accurate forms. Those 4 equations detail all that there is to say about classical EM (which is really quite amazing). If you want to meld electromagnetism with quantum mechanics and special relativity then you're simply not in the classical regime and the combined theory of all those is called QED (Quantum Electrodynamics). If you want to merge that with general relativity then... well... no one knows. That's the current holy grail of particle physics research. What is called a "grand unified theory"
 
The best theory of classical electrodynamics is the generalization of Maxwell's equations to curved spacetime. By classical I mean non-quantum.
 
maverick_starstrider said:
Maxwell's equations ARE classical EM. No less accurate or more accurate forms. Those 4 equations detail all that there is to say about classical EM (which is really quite amazing). If you want to meld electromagnetism with quantum mechanics and special relativity then you're simply not in the classical regime and the combined theory of all those is called QED (Quantum Electrodynamics). If you want to merge that with general relativity then... well... no one knows. That's the current holy grail of particle physics research. What is called a "grand unified theory"

You are misusing the term "grand unified theory." Grand unification is the unification of electroweak and strong forces into different aspects of the same force.

Otherwise I think you hit the nail on the head with regards to the original post.
 
I am looking for the reletavistic quantum electrodynamic form of these equations, it does not need to be classical.
 
DeepSeeded said:
I thought QM proves no form of energy can ever be 0, at minimum it must be hbar/2

The units of h_bar/2 is not energy but momentum or action. Energy can be zero, no problem with it. Photons are massless by definition.
 
DeepSeeded said:
I am looking for the reletavistic quantum electrodynamic form of these equations, it does not need to be classical.
Then take the standard QED: it consists of EMF equations and charge motion equations coupled together.
 
  • #10
ok going to take QED after I finish QM core
 
  • #11
DeepSeeded said:
ok going to take QED after I finish QM core

You're going to have to take a stop at QFT in between.
 

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