Does Entropy in 5-D dipict an Expanding or Contracting Universe?

In summary, the conversation discusses the implications of the Arrow of Time and its relationship to the concept of 5-D space and the expansion of the universe. The model presented suggests that our perception of time is dependent on the expanding universe and that there may be a phase of a Cosmological Big-Crunch that cannot be detected in our 3-D spacetime. Overall, the conversation presents a unique and intriguing perspective on the concept of time.
  • #1
Olias
257
0
If the Arrow of Time move's upwards from 'our' perceived 3-D +1 spacetime (expansive Entropy), then in this model:http://arxiv.org/PS_cache/hep-th/pdf/0408/0408217.pdf [Broken]

Has the implications that the Arrow (Thermodynamic Time) predicts that from a 5-D Space, relays an arrow of Time converging to a Cosmological Big-Crunch, the phase of which cannot be detected in 'our' 3-D spacetime.

Our phase is dependant on an Expanding Universe, our arrow of time points towards the 5-D future, its an expansive evolution.

A certain model predicts that we have 'bounced' into existence, we are riding upon an upwards wave-function :cool:
 
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  • #2
I have no clue what your talking about but it sounds cool :-)
 
  • #3


The concept of entropy in 5-D does not necessarily depict an expanding or contracting universe. Entropy is a measure of disorder or randomness in a system, and it can increase or decrease depending on the dynamics of the system. In a 5-D space, the arrow of time may point towards a cosmological big-crunch, but this does not necessarily mean that the universe is contracting. It could still be expanding in the 5-D space, but eventually converge towards the big-crunch due to the increasing entropy.

Furthermore, the concept of entropy in 5-D is still a theoretical concept and has not been fully understood or proven. Therefore, it is not possible to definitively state whether it depicts an expanding or contracting universe.

Moreover, the idea that we are riding on an upwards wave-function in a certain model is also just a theory and has not been proven. The concept of a "bounce" into existence is also just a hypothesis and cannot be verified at this time.

In summary, the concept of entropy in 5-D does not provide a definite answer to whether the universe is expanding or contracting. It is still a theoretical concept and more research and evidence is needed to fully understand its implications on the dynamics of the universe.
 

1. What is entropy in a 5-D universe?

Entropy in a 5-D universe refers to the measure of disorder or randomness in a system with five dimensions. It is a fundamental concept in thermodynamics and is often used to describe the behavior of complex systems.

2. How does entropy affect the expansion or contraction of a 5-D universe?

The relationship between entropy and the expansion or contraction of a 5-D universe is still a topic of debate among scientists. Some theories suggest that as entropy increases, the universe will eventually reach a state of maximum disorder and begin to contract. Other theories propose that entropy is a driving force for the expansion of the universe.

3. Can we measure entropy in a 5-D universe?

Currently, there is no way to directly measure entropy in a 5-D universe. However, scientists use mathematical models and simulations to understand the behavior of entropy in higher-dimensional universes.

4. How does the concept of entropy in a 5-D universe relate to the second law of thermodynamics?

The second law of thermodynamics states that the total entropy of an isolated system will always increase over time. This law applies to all dimensions, including the 5-D universe. However, the exact implications of this law on the expansion or contraction of a 5-D universe are still being studied.

5. Is there evidence for the expansion or contraction of our 5-D universe?

Currently, there is no concrete evidence for the expansion or contraction of a 5-D universe. However, scientists continue to study the behavior of entropy and other factors in higher-dimensional universes to understand the fate of our own universe.

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