Repulsion before the screen in a double-slit experiment

[JonAce73]

TL;DR Summary

There could be no interference of electron in double-slit experiment due to electron self-repulsion. Am I right?

Consider a double slit experiment with electrons fired illustrated in the attached figure. One interpretation of this experiment is that each fired electron clones itself, one of the clone passes through one slit and the other through another slit then they reached the screen where they interfere. Now, just before the two electrons reached the screen they must repel each other as they are of similar charge polarity, a repulsion like in electron self interaction inside an atom. By this repulsion they likely would land in different spots on the screen thereby no interference will happen. But obviously there is. Is there anything wrong with my understanding on the repulsion aspect?

 

[PeroK]

Consider a double slit experiment with electrons fired illustrated in the attached figure. One interpretation of this experiment is that each fired electron clones itself, one of the clone passes through one slit and the other through another slit then they reached the screen where they interfere.

There is no cloning in the double-slit experiment. There is only ever one electron.

Now, just before the two electrons reached the screen they must repel each other as they are of similar charge polarity, a repulsion like in electron self interaction inside an atom.

There are not two electrons, there is only one electron.

By this repulsion they likely would land in different spots on the screen thereby no interference will happen. But obviously there is. Is there anything wrong with my understanding on the repulsion aspect?

Only one electron hits the screen. There is no interference pattern for a single electron. Each electron hits the screen at a single point. The intereference pattern is built up from firing a large number of electrons. They hit the sceen at various points and collectively form a wave-like interference pattern.

 

[weirdoguy]

One interpretation of this experiment is that each fired electron clones itself

It's false, but where did you get that from?

 

[JonAce73]

There is no cloning in the double-slit experiment. There is only ever one electron.
There are not two electrons, there is only one electron.
Only one electron hits the screen. There is no interference pattern for a single electron. Each electron hits the screen at a single point. The intereference pattern is built up from firing a large number of electrons. They hit the sceen at various points and collectively form a wave-like interference pattern.

Thanks a lot.

 

[JonAce73]

It's false, but where did you get that from?

From Sabine Hossenfelder's YouTube video.

 

[PeterDonis]

From Sabine Hossenfelder's YouTube video.

Please give a link. I strongly suspect you are misinterpreting something in the video.

 

[Meir Achuz]

Don't learn physics from YouTube.

 

[PeroK]

Don't learn physics from YouTube.

There's some great stuff on there!

 

[vanhees71]

True, the only trouble for the layman is to decide what's indeed great an which contributions are, well,... Since I'm a layman on almost all scientific subjects, I try to get information on a subject not only from YouTube videos.

 

[Nugatory]

Don't try to learn physics from YouTube.

Fixed it for you

 

[PeterDonis]

There's some great stuff on there!

There might be, but the only way to tell is to already know the material. For someone who doesn't already know the material, they won't be able to tell whether a particular video is actually giving them good information or is misleading them.

 

[PeroK]

There might be, but the only way to tell is to already know the material. For someone who doesn't already know the material, they won't be able to tell whether a particular video is actually giving them good information or is misleading them.

There are bona fide lecture series on there. Not just pop science. There's rubbish in a public library too!