General Question

El_Cadejo's avatar

Is there an opposite to absolute zero?

Asked by El_Cadejo (34610points) December 26th, 2007

is there a absolute hottest possible temperature

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5 Answers

steveprutz's avatar

Theoretically, the Planck temperature is the highest possible.

El_Cadejo's avatar

yea i read about the planck temperature but where i read that, also stated that a lot of scientists think hes wrong.

sferik's avatar

There was a recent post on Slashdot about this, which linked to this NOVA story.

Note that the story was tagged with “yourmomisabsolutehot”.

Kurtosis's avatar

I don’t know much about the Planck temp. But as T goes up, I guess particles would break down (that’s why they call it “high energy” physics). I don’t know at what point the notion of “temperature” stops being meaningful (i.e. you can define T for a system of atoms, but could you for a system of free quarks, etc?)

In any event I don’t think there is a definition of the maximum T that neatly parallels the meaning of absolute zero.

8lightminutesaway's avatar

According to some theories there is a hottest temperature. Obviously, this won’t be proven for a very very long time since it will no doubt be uber hot.

@Kurtosis, I’m pretty no one has ever seen a free quark, as we haven’t been able to separate them. May not be even possible, so, if that is true, there is no reason to define a T for a free quark. Or have they found free quarks? Do I live under a rock?

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