Anti-matter and thermodynamics

In summary, the collision of matter and antimatter does not violate the laws of thermodynamics because it only changes the form of energy, not the overall amount.
  • #1
mecha10
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if a particle of matter and anit-matter collide they are annihilated.
Does this violate the laws of thermodynamics? Got to thinking about it while reading a brief history of the universe.
 
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  • #2
In what way would it violate the laws of thermodynamics?
 
  • #3
nicksauce said:
In what way would it violate the laws of thermodynamics?

Because it's matter being destroyed. I'm actually curious, too, if anyone cares to answer: why doesn't the creation/destruction of matter/antimatter pairs violate the laws of thermodynamics? I guess it might not change the overall amount of energy that exists...still, I don't really get what the deal is with those new matter/antimatter pairs.
 
  • #4
ouch2112 said:
Because it's matter being destroyed. I'm actually curious, too, if anyone cares to answer: why doesn't the creation/destruction of matter/antimatter pairs violate the laws of thermodynamics? I guess it might not change the overall amount of energy that exists...still, I don't really get what the deal is with those new matter/antimatter pairs.

Welcome to PF. This is quite an old thread, posting on threads that no one has commented on for years isn't really desirable.

But to answer your question there is no violation because no energy is being created or destroyed, merely changed from one form to another.
 
  • #5


No, the annihilation of matter and anti-matter does not violate the laws of thermodynamics. The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted from one form to another. In the case of matter and anti-matter annihilation, the total energy before and after the collision is conserved. The conversion of matter and anti-matter into pure energy is a form of energy transfer, not a violation of the first law of thermodynamics.

Furthermore, the second law of thermodynamics states that the total entropy (or disorder) of a closed system will always increase over time. In the case of matter and anti-matter annihilation, the resulting energy is in a highly disordered state, increasing the overall entropy of the system. Therefore, the annihilation of matter and anti-matter is in accordance with the laws of thermodynamics.

It is important to note that while the annihilation of matter and anti-matter does not violate the laws of thermodynamics, it does raise interesting questions about the origins of our universe and the balance between matter and anti-matter. Scientists are still researching and exploring this topic, and further discoveries may shed more light on this fascinating phenomenon.
 

FAQ: Anti-matter and thermodynamics

What is anti-matter?

Anti-matter is a type of matter that is composed of particles with the same mass as regular matter, but with opposite electric charge. When it comes into contact with regular matter, it annihilates and releases a large amount of energy in the form of gamma rays.

How is anti-matter created?

Anti-matter can be created through a process called pair production, where a high-energy photon (particle of light) interacts with a nucleus, creating a particle and its corresponding anti-particle. It can also be created in high-energy particle collisions, such as those that occur in particle accelerators.

How does thermodynamics apply to anti-matter?

Thermodynamics is the study of energy and its transformations. In the case of anti-matter, thermodynamics applies to the energy released during the annihilation of anti-matter and regular matter. This energy can be harnessed and used in various applications, such as propulsion systems for space travel.

Can anti-matter be stored?

Yes, anti-matter can be stored using magnetic fields. Because anti-matter particles have opposite charges to regular matter, they can be contained and manipulated using magnetic fields. This allows scientists to study anti-matter and potentially use it for energy production.

What are the potential implications of anti-matter in thermodynamics?

The potential implications of anti-matter in thermodynamics are vast and include energy production, space travel, and understanding the fundamental laws of physics. However, harnessing and controlling anti-matter is still a major challenge, and more research is needed to fully understand its properties and potential applications.

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