Electrons are fired one by one in double slit-interference

  • Context: Graduate 
  • Thread starter Thread starter blade_chong
  • Start date Start date
  • Tags Tags
    Electrons
Click For Summary
SUMMARY

The double slit experiment demonstrates that electrons can exhibit wave-particle duality, behaving as both particles and waves. When electrons are fired one by one, they create an interference pattern on the screen, indicating that each electron interferes with itself. This phenomenon occurs only when no detectors are placed near the slits, allowing the electron to remain in a superposition state. The discussion highlights the ongoing debate regarding the nature of quantum objects and their behavior in different states.

PREREQUISITES
  • Understanding of quantum mechanics principles
  • Familiarity with wave-particle duality
  • Knowledge of interference patterns in physics
  • Basic concepts of superposition in quantum theory
NEXT STEPS
  • Research the implications of wave-particle duality in quantum mechanics
  • Explore the concept of superposition and its applications
  • Learn about the role of measurement in quantum experiments
  • Investigate the historical context and experiments leading to quantum theory
USEFUL FOR

Students of physics, quantum mechanics enthusiasts, researchers exploring wave-particle duality, and educators teaching advanced concepts in quantum theory.

blade_chong
Messages
33
Reaction score
0
I have seen from demonstration in the internet that when elecrons are fired one by one in double slit-interference experiment, the resulting interference pattern is lots of dots on the interference screen. How is it possible for an electron to pass through 2 slits at the same time? Do this mean the electron will interfer with itself or the electron will behave as wave at the slit and particle at other point in the experiment? Is this the beauty of wave particle duality nature of matter?
 
Physics news on Phys.org
blade_chong said:
I have seen from demonstration in the internet that when elecrons are fired one by one in double slit-interference experiment, the resulting interference pattern is lots of dots on the interference screen. How is it possible for an electron to pass through 2 slits at the same time? Do this mean the electron will interfer with itself or the electron will behave as wave at the slit and particle at other point in the experiment? Is this the beauty of wave particle duality nature of matter?

The electron interferes with itself and so behaving as a wave, as long as you don't put any detector just after the slits.
 
There is a (common) view that the quantum object, when not localised as a particle, is expressed as a kind of wave, which can interfere with itself and which determines probabilities for the various possible states in which the particle might be observed. They think the object is manifest as either a particle or a wave but never both at once. But some have thought that there could be simultaneous particle and wave co-existence whereby the wave controls the particle in some way. (well that's what I think they think!) :-)
 

Similar threads

  • · Replies 10 ·
Replies
10
Views
2K
  • · Replies 36 ·
2
Replies
36
Views
9K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 20 ·
Replies
20
Views
2K
  • · Replies 3 ·
Replies
3
Views
1K
  • · Replies 15 ·
Replies
15
Views
2K
  • · Replies 32 ·
2
Replies
32
Views
5K
Replies
55
Views
6K
  • · Replies 3 ·
Replies
3
Views
6K
  • · Replies 15 ·
Replies
15
Views
1K