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Author | Topic: Thermodynamics and The Universe | |||||||||||||||||||||||
Buzsaw Inactive Member |
HA writes: with the 'creation' of the universe here (since this would be on topic)? As has been mentioned there are very good reasons why Thermodynamics is unapplicable to t=0, it isn't just claimed for convenience. Thermodynamics is an emergent property from a large system including staggering numbers of particles. A gas consisting of 10 atoms would not display the same properties as a gas consisting of a molar quantity. From my understanding of current theories there were no atoms (or particles of any kind) in existence anywhere near to t=0 (speaking in relative terms), so what exactly would Thermodynamics be acting upon? My point was that as per 1LTD the quantum energy of the universe now existing should have had no t=0.
HA writes: Not really on topic, but why does a universe 'with no beginning or end' have to be infinite? My last statement would seem also to apply here regarding 1LTD.
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PaulK Member Posts: 17827 Joined: Member Rating: 2.3 |
EODoc has been communicating with me by email, and being rather more reasonable.
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crashfrog Member (Idle past 1493 days) Posts: 19762 From: Silver Spring, MD Joined: |
EODoc has been communicating with me by email, and being rather more reasonable. Really? It only took two emails before he resorted to ad hominem accusations of dishonesty, necessitating the routing of his emails to my spam trap. Your mileage may vary, I guess. This is why I don't do these discussions over email. Creationists just won't stay honest.
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Buzsaw Inactive Member |
Jar writes: But there is evidence that the universe exists.Do you have evidence that your creator designer exists? Good point. However we contend that the quality and quantity of design as well as other phenomena which you do not accept but which we observe and accept as our universe hypothesis lends support to the existence of the designer. My point regarding 1LTD was that since we use this to lend support to our hypothesis, our argument for the existence of a designer simply existing is similar to yours that the universe simply exists. BUZSAW B 4 U 2 C Y BUZ SAW ---- Jesus said, "When these things begin to come to pass, then look up, and lift up your heads, for your redemption draws near." Luke 21:28
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jar Member (Idle past 420 days) Posts: 34026 From: Texas!! Joined: |
My point regarding 1LTD was that since we use this to lend support to our hypothesis, our argument for the existence of a designer simply existing is similar to yours that the universe simply exists. But that is where you err. It does not add support to your argument. There is as much support for the existence of pixies there as there is for your designer. Aslan is not a Tame Lion
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Buzsaw Inactive Member |
Yes, Chiroptera, I have to admit that your statement has fewer and as well as the most observational parts.
BUZSAW B 4 U 2 C Y BUZ SAW ---- Jesus said, "When these things begin to come to pass, then look up, and lift up your heads, for your redemption draws near." Luke 21:28
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Son Goku Inactive Member |
Buzsaw writes:
What is quantum energy?
My point was that as per 1LTD the quantum energy of the universe now existing should have had no t=0.
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cavediver Member (Idle past 3669 days) Posts: 4129 From: UK Joined: |
just a thought Good one though This is part of the idea behind the Hartle-Hawking No-Boundary Proposal. Our 3 space + 1 time dimensional universe evolves out of a 4 space dimensional pre-universe. This removes the singularity and any concept of "beginning". In a more general sense, this is entirely reasonable. The 3+1 structure of the universe does not seem fundemental but a hgher-level addition. We also consider space-time with two time and two space dimensions!
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New Cat's Eye Inactive Member |
We also consider space-time with two time and two space dimensions! Great...a 2+2 universe... Thanks alot Cavediver, for providing my wandering attention with ammuntion to distract me from what I'm suppose to be concentrating on Now I have to try to imagine this all night Is there a simple model/analogy for it?
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cavediver Member (Idle past 3669 days) Posts: 4129 From: UK Joined: |
Is there a simple model/analogy for it? What? For a universe with two space dimensions and two time dimensions? Yeah, right... I take it this is your revenge, as I will be trying to come up with one all night!
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Buzsaw Inactive Member |
I believe I read somewhere that quantum energy is the least amount of energy a system can have.
BUZSAW B 4 U 2 C Y BUZ SAW ---- Jesus said, "When these things begin to come to pass, then look up, and lift up your heads, for your redemption draws near." Luke 21:28
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New Cat's Eye Inactive Member |
What? For a universe with two space dimensions and two time dimensions? Yeah, right... Well, yes, that is what I was referring to but I didn't realize it was that funny.
I take it this is your revenge, as I will be trying to come up with one all night!
maybe now you'll realize how you make all of "us" feel but seriously, I hope you do come up with one as I am very interested.
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Son Goku Inactive Member |
If I recall correctly.....
The differences are mostly physical rather than conceptual. You'd still experience time, the way you usually do. That is, you'd have a past and a future in a linear fashion. A few differences are:1. All particles would decay much faster, from your point of view. Even those that normally would not decay 2. Very interestingly, science itself would be difficult in such a universe, as most of the equations of motion are what is called ultra-hyperbolic. Usually in physics we solve an equation which models a system and use the values we measure in the present to determine the future. i.e. Solution + Current conditions => Future conditions This can't be done when there are 2 temporal dimensions. So science itself would be difficult in such a world. 3. Matter tends to be repulsive to all other matter, even gravity wouldn't overcome this repulsion in most cases. This repulsion has the dramatic effect of making other matter "disappear" out of the universe from your point of view. In fact in such a world, most particles would think they're the only thing around. Of course I've mainly concentrated on the effects coming from having 2 time dimensions. There is also effects from there being only 2 spatial dimensions, but they're not as interesting.
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kuresu Member (Idle past 2539 days) Posts: 2544 From: boulder, colorado Joined: |
how do you guys come up with this stuff? it still blows my mind.
something tells, though, that all the ego-centric people would be incredibly happy here, what from being the only thing around, and thus, the most important thing around. granted, it would have to be an ego-centric particle.
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Son Goku Inactive Member |
I believe I read somewhere that quantum energy is the least amount of energy a system can have.
I thought that might have been what you meant.If the system is a single Qauntum Mechanical particle the correct term is "ground state energy". If the system is a Quantum Field, the term is the "vaccum state". Not that it matters, just thought you might want to know.
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