Electron interference in double-slit experiment

In summary, the conversation discusses the electron interference in the double-slit experiment and questions whether the electron passes through both slits simultaneously or if physicists are using the concept of wave matter to explain its behavior. The response explains that the empirical evidence suggests the electron acts as a wave passing through both slits, but there is no way to prove it without altering the results. The conversation concludes by stating that interpretation is necessary to explain the results, but does not provide any new empirical or testable predictions.
  • #1
markoX
28
0
Hi,

I have problem with electron interference in double-slit experiment.Does the electron pass two slit at the same time or physicist just try to justify the electron's behavior by using wave matter?

Is anyone help me?
Of course,My backgroud is that I'm under graduated in physics.
thanks
 
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  • #2
The 2 slit problem for the electron is the same as that for the photon. A light source can be set up to release 1 photon at a time and the diffraction pattern still results. As Feynman has been reported to have said (approximately) "Anyone who says he understands quantum theory doesn't know what he is talking about".
 
  • #3
Thanks mathman for your reply.But what do you mean?
I think physicists prepare some concepts to explain experimnet's results in such way which nobody can find their mistakes.
 
  • #4
The answer is that, empirically speaking, the electron behaves as though it were a wave that passed through both slits, but behaves as a particle in that it arrives at only a single point on the detector.

That's really the best we can say with absolute certainty. Anything further delves into interpretation, which provides explanation for the results but (generally) no new empirical or testable predictions.

Put another way: whether the electron really does pass through both slits or not is irrelevant; the results indicate that it did, and there's no way to prove it did not (without altering the results).
 

What is the double-slit experiment?

The double-slit experiment is a classic demonstration of the wave-like nature of particles, specifically electrons. It involves shooting a beam of electrons through two slits and observing the resulting interference pattern on a screen behind the slits.

How does electron interference occur in the double-slit experiment?

Electron interference occurs when the electrons passing through the two slits interfere with each other, creating a pattern of dark and light bands on the screen behind the slits. This interference is a result of the wave-like nature of electrons, which allows them to pass through both slits simultaneously and interfere with each other.

What factors affect the interference pattern in the double-slit experiment?

The interference pattern in the double-slit experiment is affected by several factors, including the distance between the slits, the distance from the slits to the screen, and the wavelength of the electrons. These factors can change the spacing and intensity of the interference pattern.

How does the double-slit experiment support the wave-particle duality of electrons?

The double-slit experiment supports the wave-particle duality of electrons by demonstrating that they exhibit both wave-like and particle-like behavior. The interference pattern observed on the screen behind the slits is a result of the electrons behaving as waves, while the individual impact points on the screen show the particle-like nature of electrons.

What are the real-world applications of the double-slit experiment and electron interference?

The double-slit experiment and electron interference have several real-world applications, such as in electron microscopy and diffraction, which are used in various fields including materials science, biology, and nanotechnology. They also play a crucial role in quantum mechanics and our understanding of the fundamental nature of matter.

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