The meaning of time in curved space quantization

In summary, Rovelli's recent essay on time discusses the concept of time in diffeomorphism invariant theory and the idea that there is no preferred or absolute time in this theory. Instead, there are various imperfect observables that can be used as clocks, and predictions can be made based on correlations between these clocks and other observables. The winners of the time essay contest, which Rovelli participated in, are expected to be announced within a week or ten days.
  • #1
luxxio
44
0
in diffeomorphism invariant theory, which is the meaning of the time in quantization?
or in other words which is the right time for quantization?
 
Physics news on Phys.org
  • #2
luxxio said:
in diffeomorphism invariant theory, which is the meaning of the time in quantization?
or in other words which is the right time for quantization?

Rovelli's position on this is summarized in his recent essay on time.
http://fqxi.org//data/essay-contest-files/Rovelli_Time.pdf

The winners of the time essay contest should be announced within a week or ten days, I'd say.

I think the gist of Rovelli's essay is that in a diffeo invariant theory there is no preferred or absolute time---there are only various imperfect observables which you can use as clocks. These correspond to natural processes---to real devices of one sort or another. If you choose one of them to serve as your clock, then what you can predict are the correlations between the clock and other observables.

There's more to the essay, but that's it for starters.
 
Last edited:
  • #3


The concept of time in curved space quantization is a complex and ongoing area of research in physics. In this theory, time is not considered as an absolute and universal quantity, but rather as a relative and dynamic one that is influenced by the curvature of space. This approach to time challenges the traditional Newtonian view of time as a linear and independent dimension.

In diffeomorphism invariant theory, which is a fundamental principle in general relativity, the meaning of time in quantization is closely related to the concept of symmetry. Diffeomorphism invariance states that the laws of physics should remain unchanged under a change of coordinates, or in other words, under a change of reference frame. This implies that the concept of time must also be relative and dependent on the observer's frame of reference.

Therefore, in curved space quantization, the right time for quantization is not a fixed value, but rather a relative one that is determined by the observer's frame of reference and the curvature of space. This means that different observers may experience time differently, depending on their location and motion in space. This concept of relative time is a fundamental aspect of general relativity and has been supported by numerous experimental observations.

In conclusion, the meaning of time in curved space quantization is a complex and ever-evolving concept that challenges our traditional understanding of time. It is closely related to the principle of diffeomorphism invariance and is not a fixed quantity, but rather a relative one that is dependent on the observer's frame of reference and the curvature of space.
 

Related to The meaning of time in curved space quantization

1. What is the concept of time in curved space quantization?

The concept of time in curved space quantization is based on the idea that time is not a fixed, absolute quantity, but rather a dynamic and relative one. This theory suggests that time is affected by the curvature of space and can be altered by gravitational fields.

2. How does curved space quantization impact our understanding of time?

Curved space quantization challenges the traditional understanding of time as a linear and constant concept. It suggests that time is intertwined with space and is subject to change depending on the curvature of space. This theory allows for a more flexible and dynamic understanding of time.

3. How does curved space quantization relate to Einstein's theory of relativity?

Einstein's theory of relativity is the basis for curved space quantization. It explains the relationship between time, space, and gravity, and how they are interconnected. Curved space quantization builds upon this theory by incorporating the concept of quantum mechanics into the equation.

4. Can curved space quantization explain the concept of time travel?

There is still much debate and speculation surrounding the possibility of time travel. Curved space quantization does offer an interesting perspective on the subject, as it suggests that time can be altered by gravitational fields. However, more research and evidence are needed to fully understand the potential for time travel within this framework.

5. What are the implications of curved space quantization for our understanding of the universe?

The concept of curved space quantization has significant implications for our understanding of the universe. It challenges traditional ideas about time, space, and gravity, and offers a more dynamic and interconnected view of these concepts. This theory has the potential to lead to new discoveries and advancements in our understanding of the universe.

Similar threads

  • Beyond the Standard Models
Replies
1
Views
3K
  • Beyond the Standard Models
Replies
7
Views
1K
Replies
2
Views
2K
  • Beyond the Standard Models
Replies
6
Views
847
Replies
2
Views
1K
Replies
13
Views
2K
  • Beyond the Standard Models
Replies
15
Views
4K
  • Beyond the Standard Models
Replies
17
Views
2K
Replies
12
Views
1K
  • Beyond the Standard Models
Replies
13
Views
2K
Back
Top