Appearing out of nothing with defined characteristics?

  • Thread starter KyleStreet
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In summary, the conversation discusses the concept of a point particle suddenly appearing in spacetime and whether it would have the same physics at the instant it appeared and later on in that piece of spacetime. The question also brings up the unsolved mathematical problem of P versus NP. However, there may be some misunderstandings or complexities involved in the topic, such as the violation of energy conservation and the lack of commutation relations for time and space in quantum field theory.
  • #1
KyleStreet
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Lets consider a point particle that suddenly appears at a position in spacetime. At the instant the particle appeared, did the particle at time=1/oo s have the same physics its action will have later on that piece of spacetime?

Please answer with few descriptions of each mathematical expression. (Note: My message isn't about the Big Bang, however I agree to it completely)
 
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  • #2
A particle cannot suddenly appear (from nothing) b/c this violates conservation of energy
 
  • #3
KyleStreet said:
Lets consider a point particle that suddenly appears at a position in spacetime. At the instant the particle appeared, did the particle at time=1/oo s have the same physics its action will have later on that piece of spacetime?

Please answer with few descriptions of each mathematical expression. (Note: My message isn't about the Big Bang, however I agree to it completely)

be more clear on what you want to say
 
  • #4
Okay, this is what I meant:

If a point particle suddenly appears as a 'checkable' unit on spacetime, will it be defined simultaneously and act as a commutator for spacetime simultaneously before it disappears t=1/infinity later as the lifespan of the particle is 0 to 1/infinity seconds?

The question is almost the same as the P versus NP problem, which is unsolved in mathematics.
 
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  • #5
Either what you're asking is way over my head or there are some fundamental mis-understandings here. As has been pointed out energy conservation must be observed (as well as a few other symmetries). Furthermore, in quantum field theory time and space are just labels, they're not operators so they don't have commutation relations. Also, what's a 'checkable' unit of spacetime?
 

1. How can something appear out of nothing with defined characteristics?

The concept of something appearing out of nothing with defined characteristics is a complex one that is still being explored and debated by scientists. One theory is that in the very early stages of the universe, there was a brief period of rapid expansion known as inflation, during which particles and energy were created. These particles then interacted and formed the building blocks of the universe, eventually leading to the formation of galaxies, stars, and everything else we see today.

2. Is it possible for something to truly come from nothing?

This question touches on the philosophical concept of "nothingness" and whether it can truly exist. In the scientific sense, it is believed that even in a state of nothingness, there is still energy present in the form of quantum fluctuations. These fluctuations may have played a role in the creation of the universe and the appearance of matter.

3. How do scientists define the characteristics of something that appears out of nothing?

Defining the characteristics of something that appears out of nothing is a challenging task. In the early universe, there were no laws of physics as we know them today, so it is difficult to determine exactly how particles and energy interacted and formed the universe. Scientists use mathematical models and theories to try and understand these processes, but there is still much that is unknown.

4. Could something appearing out of nothing with defined characteristics be the result of a random event?

This is a possibility that scientists are exploring, but it is not yet fully understood. Some theories propose that the universe is just one of many possible outcomes of a random event, and that our universe happened to have the perfect conditions for life to emerge. However, there is still much research being done to better understand the origin of the universe and the role of chance in its creation.

5. Can we ever truly know how something appeared out of nothing with defined characteristics?

As with many topics in science, our understanding of the origin of the universe is constantly evolving and there is no definitive answer yet. While we may never have a complete understanding of how something appeared out of nothing with defined characteristics, scientists continue to gather evidence and develop theories to better explain this phenomenon. It is through this ongoing research and exploration that we can continue to deepen our understanding of the universe and our place within it.

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