The double slit experiment

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steve
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The double slit experiment

Unread post by steve » Sun Feb 16, 2020 6:27 pm

The double slit experiment has been described as a crucially important experiment in Quantum physics.

In the experiment, two parallel vertical slits are cut in a board, and light shone at the two slits. The two vertical slits show up a two vertical lines on a screen set up behind it. This is what one would expect.

However if the two slits are moved further together, a different pattern becomes apparent, and a series of white bars appears on the screen. This effect is known as an ‘interference pattern’, and it is caused when the wavelengths of the two bars of light interact with each other and produce this pattern. This experiment was first performed by the English physicist Thomas Young in 1801. This result convinced people that light was a wave.

The particle wave – dispute had been going on since the 17th century at the Royal Society when Dr Robert Hooke claimed that light was a wave, and Isaac Newton claimed that it was a particle.

!n 1905 Einstein discovered that if light was shone onto a metal plate, this produced electricity. This showed that light can also be particles. These were later called photons. Einstein was awarded a Nobel prize for this discovery.

These two experiments demonstrate that light can exist either as particles, or as waves. The double slit experiment also works with electrons, some atoms and some molecules.

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Zyxzevn
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Re: The double slit experiment

Unread post by Zyxzevn » Mon Feb 17, 2020 2:34 am

I write about the simplest solution here:
https://saidit.net/s/Physics/comments/1 ... hat_there/

Planck had a simple idea of atoms loading up with energy, that appear as jumps as they reach certain thresholds.
This works for all Quantum experiments.
But people preferred particles.

If we see particles as energy stuck in a loop, we can extend the same principle to atomic particles too.
More ** from zyxzevn at: Paradigm change and C@

steve
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Re: The double slit experiment

Unread post by steve » Mon Feb 17, 2020 1:01 pm

The photons coming from the sun change into electrons when they encounter the molecules of the atmosphere. This is where the electricity in the atmosphere comes from, it is known as ionisation. Obviously not all photons do this; otherwise we would not have any sunlight!

Cargo
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Re: The double slit experiment

Unread post by Cargo » Tue Feb 18, 2020 4:01 am

Plasma, is the 1st State of Matter. 99.9% of the Space between all Atmospheres, and Systems, and in the Entire Universe, is in the Plasma State.

QM is as worthless as one particle on a wave. Which one do you look at, which one is more important or relevant.
interstellar filaments conducted electricity having currents as high as 10 thousand billion amperes

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EtherQuestions
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Re: The double slit experiment

Unread post by EtherQuestions » Thu May 21, 2020 9:56 pm

A duality, by definition, is a paradox.

In a physical scientific model a paradox is not feasible, it shouldn't even be considered before all the other options for explanation of phenomena are first exhausted (and they haven't been at all).

Wave-particle duality is nonsense. Electrons and (so-called) Photons don't even produce identical bar patterns in the experiment! Electrons could just be "carried" by a wave, and there are plenty of light-particle/light-wave theories that explain both observations in one model.


"!n 1905 Einstein discovered that if light was shone onto a metal plate, this produced electricity. This showed that light can also be particles. These were later called photons. Einstein was awarded a Nobel prize for this discovery."

:lol: He proved frequency was the key important factor in displacement of the observed electrons, not his discovery either. But all of this is entirely possible in a wave-theory (e.g. a resonance based theory of atomic interaction with light).
"Considering there is no reactive force even considered in the interaction between mass and space in General Relativity's space-curvature field equations, even though both can likewise act on one another, it is therefore in direct violation of Newton's 3rd Law of Motion."

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JP Michael
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Re: The double slit experiment

Unread post by JP Michael » Fri May 22, 2020 1:45 am

I actually didn't mind LaPoint's explanation of the double slit experiment.

Video (you might like to check out videos 1 & 2 first for context)

In his view, all particles have an intrinsic electromagnetic field with defined north-south orientation. The double slit experiment is a demonstration of resonance and aligning fields (constructive and destructive interference) as the photons travel through the slit and interfere with one another, always producing the predictive pattern.

In the same way, the photon's field interacts with innate fields in the walls of the single photon experiment. It is not the case that the photon is interfering with itself; it is interfering with the innate fields in the atoms of the walls of the slit.

The problem with LaPoint's hypothesis is the cause of the fields. He merely assumes they exist and does not explain why.

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