Special Relativity - Lorentz Force Law

In summary, the Lorentz Force Law is a fundamental equation in special relativity that describes the force on a charged particle by an electric and magnetic field. It is derived from the principles of special relativity and takes into account the effects of time dilation and length contraction. The law is significant in understanding the behavior of charged particles and can be applied to all types of particles. In the presence of a changing electric or magnetic field, the Lorentz Force Law includes an additional term called the displacement current.
  • #1
Nusc
760
2

Homework Statement




Show that the 4-force law: F_u=q/c E_{uv}U^v leads to the usual Lorentz force law.


Homework Equations



F = E + v x B.

The Attempt at a Solution




What's U?
 
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  • #2
Uv looks like a four velocity with a raised index. What is Euv?
 
  • #3
I have no idea, the question doesn't say.
 
  • #4
Anyone else have an idea?
 

Related to Special Relativity - Lorentz Force Law

1. What is the Lorentz Force Law?

The Lorentz Force Law is a fundamental equation in special relativity that describes the force exerted on a charged particle by an electric field and a magnetic field. It states that the total force on a charged particle is equal to the sum of the electric force and the magnetic force acting on the particle.

2. How does the Lorentz Force Law relate to special relativity?

The Lorentz Force Law is derived from the principles of special relativity, which describes the behavior of objects moving at high speeds. This law takes into account the effects of time dilation and length contraction, which are consequences of special relativity, on the motion of charged particles.

3. What is the significance of the Lorentz Force Law in physics?

The Lorentz Force Law is crucial in understanding the behavior of charged particles in electric and magnetic fields. It is used in various fields of physics, including electromagnetism, particle physics, and astrophysics, to analyze and predict the motion of charged particles.

4. Can the Lorentz Force Law be applied to all types of particles?

Yes, the Lorentz Force Law can be applied to any charged particle, regardless of its mass or charge. This includes subatomic particles, such as electrons and protons, as well as macroscopic objects with a net charge, like a balloon or a lightning bolt.

5. How does the Lorentz Force Law change in the presence of a changing electric or magnetic field?

When the electric or magnetic field is changing, the Lorentz Force Law includes an additional term known as the displacement current. This accounts for the effect of the changing field on the charged particle and is necessary for accurately predicting its motion in these situations.

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