QG & Einstein's Low Level Energies: Consequences

  • Thread starter Tom McCurdy
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In summary, if QG is correct and Einstein's equations only work for low level energies, there would be potential consequences for testing QG. This has become a big topic of discussion, known as "phenomenology," and involves calculating the effects of a QG model and informing astronomers about what to look for in order to test the model. There was even a conference in February 2004 specifically focused on QG phenomenology, which attracted attention from astronomers.
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Tom McCurdy
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What would it mean if QG is correct and einsteins equations only work for low level energies, what would be the consequences
 
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search for "quantum gravity" and "phenomenology". Only a few ones are suggested. Mostly Amelino-Camelia, et al
 
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Tom McCurdy said:
What would it mean if QG is correct and einsteins equations only work for low level energies, what would be the consequences

this is the big question around testing QG
Alejandro is right:
when people write papers about "what it would mean if" that is called
"phenomenology"

For us humans it would mean no discernable difference.
But there might be some difference that could be detected in
the arrival of a burst of gammarays from a billion lightyears away.

and this is constantly happening, so it is potentially a great source
of information.

so the phenomenologist (like Amelino, as arivero says) must
do some calculations to see what effects a QG model predicts,
and then tell the astronomers what to look for,
as a way of testing the model.

there was a conference in February this year called WS-2004 about
QG phenomenology. (the field is currently getting some attention
from astronomers, and some showed up)
 

Related to QG & Einstein's Low Level Energies: Consequences

1. What is QG and how does it relate to Einstein's low level energies?

QG, or quantum gravity, is a theoretical framework that attempts to reconcile the theories of gravity and quantum mechanics. Einstein's low level energies refer to the Planck scale, which is the smallest possible unit of energy in the universe. QG aims to explain how gravity behaves at this incredibly small scale.

2. Why is QG important in the field of physics?

QG is important because it could potentially provide a unified theory of the universe, combining the laws of gravity and quantum mechanics. It also has the potential to explain some of the most fundamental questions of physics, such as the nature of space and time.

3. What are some of the consequences of QG?

One of the consequences of QG is the prediction of the existence of gravitons, which are hypothetical particles that mediate the force of gravity. Another consequence is the possibility of extra dimensions, which could help explain the behavior of gravity at the Planck scale.

4. How close are we to understanding QG and its consequences?

QG is still a highly theoretical and debated topic in physics. While there have been many proposed theories, there is currently no definitive answer or consensus on how to reconcile gravity and quantum mechanics. However, advancements in technology and new experiments are continuously pushing us closer to understanding QG.

5. Are there any real-world applications of QG and its consequences?

While QG is primarily a theoretical framework, there are potential real-world applications. For example, understanding QG could lead to advancements in space travel, as it could help us better understand the behavior of gravity in extreme conditions. It could also have implications for technologies such as quantum computing.

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