Why doesn't light destroy matter

In summary, the conversation revolves around the understanding of quantum mechanics and the concept of electrons switching between being waves and particles. It is pointed out that this idea is outdated and incorrect, and there are many resources available for understanding the modern view of QM. The conversation ends with a thank you to those who provided recommendations.
  • #1
TCar
2
0
I'm exploring quantum mechanics for fun and am in no way an expert.
I have a problem with understanding something:
If an atom would collapse if the electron acted like a particle and can only exist if the electron behaves as a wave (in a superposition) and if measuring an electron forces it to become a particle (chose a location), wouldn't photons of (visible) light hitting the electron turn it into a particle and thus destroy the atom?
How, then, does matter "survive"being illuminated?
 
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  • #2
The measurement doesn't force a choice, but might help an observer determine the location. I would question first how would the absorption of a photon would determine the location of the electron? Secondly, most photons are not absorbed.
 
  • #3
TCar said:
If an atom would collapse if the electron acted like a particle and can only exist if the electron behaves as a wave (in a superposition) and if measuring an electron forces it to become a particle (chose a location), wouldn't photons of (visible) light hitting the electron turn it into a particle and thus destroy the atom?

The entire notion that the electron switches between being a wave and a particle, and that it is a wave that collapses into a particle when measured, is wrong. It's one of those things that was considered early last century when physicists were first trying to make sense of the quantum effects that they were observing. By 1935 or thereabouts this idea had been largely abandoned, but by then it had made it into the popular imagination, where it will probably live forever.

If you don't want to grind your way through a modern first year textbook (which will require a fair amount of college-level math as a prerequisite) you could try Giancarlo Ghirardi's "Sneaking a look at God's cards" for a decent introduction to the modern understanding QM.
 
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Likes Fervent Freyja, TCar and bhobba
  • #4
The electron and photon are wave always. This is the way to describe only.
 
  • #5
pr3dator said:
The electron and photon are wave always. This is the way to describe only.

You keep saying this.

A number of people, including me, have pointed out it's WRONG.

If you keep promulgating falsehoods the moderators, correctly, will censure you.

There are many good books explaining the modern view of QM. Simply post your math background and many including me will be only too happy to make recommendations.

BTW this is basic textbook stuff - there is nothing controversial about it. When Dirac came up with his transformation theory in 1926 such ideas were overthrown - likely before, but certainly by then:
http://www.lajpe.org/may08/09_Carlos_Madrid.pdf

Thanks
Bill
 
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Likes vanhees71
  • #6
Thanks to all who replied.
I'll look into the stuff you recommended.
 

Related to Why doesn't light destroy matter

1. Why doesn't light destroy matter?

Light does not destroy matter because photons, which are the particles that make up light, do not have enough energy to break apart the bonds between atoms in matter. In order for matter to be destroyed, the bonds between atoms must be broken, and this requires a much higher energy level than what is contained in photons.

2. How does light interact with matter if it doesn't destroy it?

Light can interact with matter in a variety of ways, such as absorption, reflection, and refraction. These interactions occur because of the properties of matter, such as its atomic structure and composition. The energy of light is transferred to matter during these interactions, but it is not enough to destroy the matter.

3. Can light ever destroy matter?

In certain extreme conditions, such as in a nuclear explosion or in the intense heat of a star, light can have enough energy to break apart the bonds between atoms in matter. However, in most everyday situations, light does not have enough energy to destroy matter.

4. Why do some materials seem to be destroyed by light, such as fading of colors in fabrics?

Although light may not have the energy to destroy matter, it can still cause changes in matter. For example, light can cause molecules in certain materials, such as dyes in fabric, to break apart or change shape, resulting in a change in color or appearance. This is not the same as destroying matter, but rather altering its properties.

5. Is there a limit to how much light matter can withstand before being destroyed?

There is no specific limit to how much light matter can withstand before being destroyed. The amount of light that can damage or destroy matter depends on a variety of factors, such as the type of matter, the intensity and wavelength of the light, and the duration of exposure. In general, however, the energy of light is not high enough to destroy matter in most situations.

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