Death and Resurrection of the Zero-th Principle of Thermo

In summary, the conversation discussed the 0-th principle of thermodynamics in relation to general relativity and quantum mechanics. It also mentioned the use of quantum state of time in a semi-classical approximation and the importance of the paper "Death and resurrection of the Zero-th principle" in understanding time and temperature in a relativistic setting. The conversation also mentioned a poll for the most important paper, in which the mentioned paper was in second place. The conversation concluded with a recommendation to watch the 20-minute YouTube version of the talk and a link to the poll for those interested in voting.
  • #1
julcab12
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..Quick rundown on 0-th principle of thermodynamics in relation to GR and QM. Some insight on LQC-(slide to 19:07) using quantum state 'of' time in a semi-classical approximation. Fun way to think of things.^^

 
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  • #2
julcab12 said:
..Quick rundown on 0-th principle of thermodynamics in relation to GR and QM. Some insight on LQC-(slide to 19:07) using quantum state 'of' time in a semi-classical approximation. Fun way to think of things.^^



Definitely a fun talk! Worth watching several times. Some people will want to look at the Feb 2013 paper (with the same title) that the talk was based on, which let's you go through the reasoning step by step and look up the references to earlier research that it's based on.

The paper ("Death and resurrection of the Zero-th…") was on our "Most Important Paper" poll for first quarter 2013 and is currently in second place:

https://www.physicsforums.com/showthread.php?p=4399478#post4399478

The poll is still open. You can still put in a vote for it if you'd like :biggrin:
Go here:
https://www.physicsforums.com/showthread.php?t=681598
and look down the list of candidates---it's about six up from the bottom.

Jul, I actually think this is a really important paper---it says what time and temperature are in relativistic setting, or takes a darn good shot at it. Glad you posted the 20 minute YouTube version!
 
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  • #3
marcus said:
Definitely a fun talk! Worth watching several times. Some people will want to look at the Feb 2013 paper (with the same title) that the talk was based on, which let's you go through the reasoning step by step and look up the references to earlier research that it's based on.

The paper ("Death and resurrection of the Zero-th…") was on our "Most Important Paper" poll for first quarter 2013 and is currently in second place:

https://www.physicsforums.com/showthread.php?p=4399478#post4399478

The poll is still open. You can still put in a vote for it if you'd like :biggrin:
Go here:
https://www.physicsforums.com/showthread.php?t=681598
and look down the list of candidates---it's about six up from the bottom.

Jul, I actually think this is a really important paper---it says what time and temperature are in relativistic setting, or takes a darn good shot at it. Glad you posted the 20 minute YouTube version!

Voted.:approve: Yep. Treating time as relational to other physical variables instead of the conventional singled out independent variable in a statistical distribution is really something. It began when i stumbled on this article http://www.fqxi.org/community/forum/topic/1966?search=1 and got really interested. Eventually led me to that talk while googling thermal time. :smile:
 
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FAQ: Death and Resurrection of the Zero-th Principle of Thermo

What is the "Zero-th Principle of Thermo"?

The Zero-th Principle of Thermo, also known as the Zeroth Law of Thermodynamics, states that if two systems are in thermal equilibrium with a third system, then they are also in equilibrium with each other.

How did the "Death and Resurrection" of the Zero-th Principle of Thermo occur?

The "Death and Resurrection" of the Zero-th Principle of Thermo refers to the time period when the principle was first discovered and then later refined and expanded upon. It was initially thought to be a mere consequence of the other laws of thermodynamics, but later it was recognized as an essential and fundamental principle in its own right.

Why is the Zero-th Principle of Thermo important?

The Zero-th Principle of Thermo is important because it allows us to define a temperature scale and measure temperature accurately. It also serves as the basis for understanding heat transfer and the behavior of gases.

What are the implications of the Zero-th Principle of Thermo?

The Zero-th Principle of Thermo has several important implications, including the fact that it allows us to define a standard temperature scale and to determine when a system is in thermal equilibrium. It also helps us understand the direction and rate of heat flow between systems.

How does the Zero-th Principle of Thermo relate to the other laws of thermodynamics?

The Zero-th Principle of Thermo is considered the foundation upon which the other laws of thermodynamics are built. It is closely related to the First Law, which states that energy cannot be created or destroyed, and the Second Law, which describes the direction of heat flow. Without the Zero-th Principle, the other laws would not be as well-defined or useful in understanding thermodynamic systems.

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