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FeDeX_LaTeX
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Hello;
Does this exist? We have absolute zero, so is this possible?
Thanks.
Does this exist? We have absolute zero, so is this possible?
Thanks.
FeDeX_LaTeX said:Hello;
Does this exist? We have absolute zero, so is this possible?
Thanks.
SW VandeCarr said:I would expect that lightspeed would impose an asymptotic limit on the speed of particles in a plasma, but I don't know if this places a strict limit on temperature.
magnusrobot12 said:i assume that plank temperature existed before inflation. is that correct?
BL4CKCR4Y0NS said:http://en.wikipedia.org/wiki/Absolute_hot
I thought it was referred to the state of reaching "absolute hot" ...
Am I wrong?
Thank you Sylas for your answer. I guess when the four forces separated from each other after the disruption of the singularity, you read how it got really really hot. I still do not understand how that disruption would cause an "inflation" in temperature from "nothingness" to 10e32 so quickly (10e-44 seconds). I mean between T=0 and T=10e-44, the temperature went from 0 to 10e32. Is this type of "temperature inflation" just as impressive as "space inflation" that happened after the rise in temperature?sylas said:I'd never heard of Planck temperature before this thread. Neat.
Planck temperature is about 1.4×10^{32} K. Wow.
According to Brief History of the Universe at Ned Wright's cosmology pages, this is the temperature at the Planck time, which is indeed pre-inflation.
So, yes, it looks like this temperature would have to be pre-inflation. The other thing, however, is that we don't have a good quantum theory of gravity which would be required to give meaningful physical consideration of these conditions. Notions of time and temperature and so on break down as well.
Cheers -- sylas
magnusrobot12 said:I guess when the four forces separated from each other after the disruption of the singularity, you read how it got really really hot. I still do not understand how that disruption would cause an "inflation" in temperature from "nothingness" to 10e32 so quickly (10e-44 seconds). I mean between T=0 and T=10e-44, the temperature went from 0 to 10e32. Is this type of "temperature inflation" just as impressive as "space inflation" that happened after the rise in temperature?
meichenl said:Apparently, the hottest temperature is approaching zero from below.
meichenl said:For example, a bunch of two state systems (spins, for instance) would be infinitely hot when half were in the lower energy configuration and half were in the higher energy configuration.
If you got more than half in the high-energy configuration, the temperature would actually be negative. The highest possible temperature would be if every degree of freedom was in the highest possible energy state. Such a system couldn't absorb energy any more - energy would flow out to anything it came into contact with, so it's the hottest possible temperature. Apparently, the hottest temperature is approaching zero from below.
rhody said:Just curious, when you say approaching "zero from below" in the last sentence, are you talking about a matrix difference calculation involving an equal number of energy states ? or possibly a zeroth degree of freedom in the calculation ? I am betting that if you used a slightly different choice of words the confusion would have been avoided.
Rhody...
meichenl said:Hi Rhody,
I'll just stick to the ensemble of 2-state systems.
From this, in the limit as [itex]T \to 0_+[/itex] they all go to the low energy state. As [itex] T \to \infty[/itex] they get split 50-50. This is also true as [itex] T \to -\infty[/itex]. But, as [itex] T \to 0_-[/itex] the exponential in the denominator grows very large, and the probability to be in the low-energy state goes to zero. That's what I meant when I said that the hottest possible state has temperature approaching zero from below.
The Planck time: 10^{-43} seconds. After this time gravity can be considered to be a classical background in which particles and fields evolve following quantum mechanics. A region about 10^{-33} cm across is homogeneous and isotropic, The temperature is 10^{32}K.
meichenl said:If you got more than half in the high-energy configuration, the temperature would actually be negative. The highest possible temperature would be if every degree of freedom was in the highest possible energy state. Such a system couldn't absorb energy any more - energy would flow out to anything it came into contact with, so it's the hottest possible temperature. Apparently, the hottest temperature is approaching zero from below.
yeah that's right. 0k is also known as ABSOLUTE ZERO. Kelvin was made based on absolute zero.uraveragechum said:0 K is Absolute Zero, correct?
If 0K is absolute zero, and nothing is lower than absolute zero, then does that not suggest that there areuraveragechum said:So -1 K would transmit energy to 5000 K? Or is there something I'm missing out on?
BL4CKCR4Y0NS said:With a lot of energy.
Nah actually ... I don't think we've ever artificially heated any substance to such high levels...
BL4CKCR4Y0NS said:But it did they actually reach Planck?
BL4CKCR4Y0NS said:It's not JUST a number... and plus, it would be a nice achievement. :D
uraveragechum said:No, the scale from cold to hot in Kelvin should be...
0 K,...500 K,... Inf. K,... - Inf. K,... - 500 K,... - 0 K
Here's the link: http://en.wikipedia.org/wiki/Negative_temperature
But I was just asking for clarification...
The highest possible temperature is known as absolute hot, and it is theorized to be around 1.416785(71) x 10^32 Kelvin.
The highest possible temperature is determined by using mathematical equations and theories, such as the Planck temperature and the Stefan-Boltzmann law, to calculate the maximum possible energy that can be contained in a system.
At the highest possible temperature, known as the Planck temperature, the four fundamental forces of nature (gravity, electromagnetism, strong nuclear force, and weak nuclear force) are believed to merge into a single force.
No, the highest possible temperature is much higher than any temperature that can be achieved on Earth. The highest temperature ever recorded on Earth was 134 degrees Fahrenheit (56.7 degrees Celsius) in Death Valley, California.
Studying the highest possible temperature can help scientists better understand the fundamental laws of physics and potentially lead to advancements in fields such as cosmology and energy production. It can also give insights into the early universe and the conditions present during the Big Bang.