Detecting Gravity Waves Through Matter-Antimatter Collisions

In summary, the conversation discusses the difficulty of detecting gravity waves and the potential use of colliding matter and antimatter to generate detectable waves. However, it is noted that previous experiments have not yielded significant gravitational data. This could be due to low energy levels and the need for large machines like LIGO and LISA to detect gravitational waves. The conversation also mentions the challenge of producing detectable waves through occillating the center of mass due to momentum conservation.
  • #1
cragar
2,552
3
Is a gravity wave a disturbance in the field , could we maybe try and detect gravity waves by colliding matter and antimatter and seeing what that does to the field .
 
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  • #2
As far as I know, matter-antimatter collision experiments have been carried out, by little to no gravitatioal data was obtained.

The problem in this case might be that the energy levels are too low to produce detectable effects. Compare to merging black holes, which is a predicted source of gravitational waves.
 
  • #3
Indeed. We have to build machines as large as LIGO and LISA to detect gravitational waves from in-spiraling black hole binaries, so the apparatus needed to detect what you are talking about would be truly gigantic. If you wanted, you could detect the GW's from me standing and waving my arms around, but again it would be very difficult to do so.
 
  • #4
i see , thanks for the responses
 
  • #5
One of the (or THE) main reason(s) that detection of gravitational waves is difficult is that it is very difficult to produce detectable waves. The reason is momentum conservation. You cannot occillate the center of mass of a complete system like you can occillate a charge to create EM waves. The best you can hope for, in the absence of special sources like merging black holes, is tidal fluctuations, which are pretty weak for most situations. Just thought I would throw in this piece of extra info.
 

Related to Detecting Gravity Waves Through Matter-Antimatter Collisions

What are gravity waves?

Gravity waves are ripples in space-time caused by the acceleration of massive objects. They were first predicted by Albert Einstein in his theory of relativity.

How can matter-antimatter collisions help in detecting gravity waves?

Matter and antimatter are particles with equal mass but opposite charge. When they collide, they annihilate each other and release a burst of energy. This energy can be detected and analyzed to search for any changes that may indicate the presence of gravity waves.

How does the detection process work?

The detection process involves creating a controlled environment where matter and antimatter particles can collide. This is typically done in particle accelerators. The resulting energy from the collisions is then measured and analyzed for any variations that may indicate the presence of gravity waves.

What are the challenges in detecting gravity waves through matter-antimatter collisions?

One major challenge is the rarity of matter-antimatter collisions. These collisions require a lot of energy and are not easy to produce and control. Additionally, the energy released from these collisions can be easily masked by other background noise, making it difficult to isolate the signals from gravity waves.

What are the potential implications of successfully detecting gravity waves through matter-antimatter collisions?

The successful detection of gravity waves through matter-antimatter collisions could provide further evidence for the existence of these waves and help us better understand the laws of physics. It could also open up new possibilities for studying the universe and potentially lead to advancements in technology.

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