Possible Explanation for Quantum Mechanics?

In summary: I'm sorry, but I cannot provide a summary of this conversation as it is too complex and technical for me to understand. I suggest seeking out a trained physicist or reading Brian Greene's book for a better understanding of the concepts discussed.
  • #1
Fizzicist
54
0
First and foremost, I would just like to say that I have limited familiarity with quantum mechanics and virtually no familiarity with string theory, so this is quite a shot in the dark, but I'm hoping someone here who is more knowledgeable will tell me what they think of the idea I'm about to propose. When I was recently pondering string theory I thought about the idea that there might be several dimensions that we cannot see, curled up in ultra-microscopic spaces. Then I started thinking about the sub-microscopic world and quantum mechanics. Is it possible that these sub-microscopic dimensions that we cannot perceive are responsible for the quantum randomness that we observe at the sub-microscopic level? Isn't is possible that these dimensions could appreciably affect the path of a sub-atomic particle? They wouldn't affect the path of a large object (which is why we perceive the macroscopic world as being deterministic...quantum mechanics doesn't play a significant role), but they could have an effect on a particle. Since we can't detect these dimensions, we cannot determine the effect they would have on a particle, hence we get the uncertainty characteristic of quantum mechanics.
 
Last edited:
Physics news on Phys.org
  • #2
Fizzicist, I suggest you to read the popular-science book
Brian Greene, The Fabric of the Cosmos

Anyway, the extra dimensions of string theory certainly cannot explain quantum randomness. This is because these extra dimensions themselves are obtained from the assumption that quantum mechanics is valid in all dimensions.
 
  • #3
Presently, there is no way to reduce quantum mechanics and special relativity to something more fundamental. Rather, string theory takes these laws for granted and builts on them. Extended dimensionality is accepted at a price to get the extra dimensions collapsed. This has also unwanted effects as producing a lot of unseen particles that one should dispose of.

So, string theory, although gives a unification framework for all known interactions, assumes as fundamental quantum mechanics and special relativity.

Anyhow, some tentatives to reduce quantum mechanics to a lower (deterministic) level have been done e.g. by 't Hooft (see arXiv:0707.4568 and refs therein). These ideas are interesting but at this stage should be considered as speculative ones.

Jon
 

1. What is the main theory behind quantum mechanics?

The main theory behind quantum mechanics is the concept that energy exists in discrete units known as quanta, and that the behavior of particles at the quantum level is inherently probabilistic rather than deterministic. This theory was developed to explain the behavior of particles at the atomic and subatomic levels.

2. How does quantum mechanics differ from classical mechanics?

Classical mechanics is based on the laws of motion and gravity, and is used to describe the behavior of macroscopic objects. Quantum mechanics, on the other hand, is used to describe the behavior of particles at the atomic and subatomic levels, and is based on the probabilistic nature of energy and the wave-like behavior of particles.

3. What are the implications of quantum mechanics for our understanding of reality?

Quantum mechanics challenges our traditional understanding of reality, as it suggests that particles can exist in multiple states at once and that simply observing a particle can affect its behavior. It also raises questions about the nature of time and space and the interconnectedness of all particles in the universe.

4. How is quantum mechanics applied in technology?

Quantum mechanics has been instrumental in the development of many modern technologies, including transistors, lasers, and computer memory. It has also played a role in the development of quantum computing and quantum cryptography.

5. What are some of the current challenges in understanding quantum mechanics?

One of the biggest challenges in understanding quantum mechanics is the lack of a unifying theory that can explain all aspects of it. Additionally, there is still much debate and research surrounding the interpretation of quantum mechanics and its implications for our understanding of reality.

Similar threads

  • Quantum Physics
Replies
3
Views
269
Replies
2
Views
798
Replies
44
Views
3K
Replies
8
Views
1K
Replies
6
Views
384
  • Quantum Physics
Replies
7
Views
1K
  • Quantum Physics
Replies
13
Views
602
  • Quantum Physics
Replies
1
Views
776
Back
Top