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/sci/ - Science & Math

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12760369 No.12760369 [Reply] [Original]

Dirac sea? Dirac sea.

>> No.12760410

>>12760369
explain wtf that even means

>> No.12760426
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12760426

>>12760410

>> No.12760445

>>12760426
Does antimatter travel backwards in time relative to us? Why is there an unequal amount of matter and antimatter in the universe?

>> No.12760563

Yeah I also rewatched EVA recently

>> No.12760629
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12760629

The Rock sea.

>> No.12760639

>>12760426
What the fuck is y3?

>> No.12760831

>>12760369
I enjoyed this image

>> No.12760901
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12760901

>>12760445
no

>> No.12761287

>>12760901
Tell me the truth, why is regular matter more abundant than anitmatter?

>> No.12761318

>>12761287
there is evidence that it has to do with a real observed effect called CP violation (hahaha CP grow up). for example there is an asymmetry in the decay of neutral kaons where it preferentially wants to turn into matter instead of antimatter, and this is the essence of CP violation . this mechanism could explain why there is more matter than antimatter

>> No.12761327

>>12761318
Is it possible that the anitmatter created during baryogenesis simply went backwards in time?

>> No.12761493

>>12761327
no

>> No.12761517

>>12761318
Is there a way to observe CP violation from a distance? Does it emit photons with specific energies?

>> No.12761527

>>12761517
just look up the cronin and fitch experiment. it’s a particle physics experiment meaning that they do it with big ol detectors, not some microscopic chemistry crap

>> No.12761543

>>12761318
Is the reverse of this true as well then? Is there antimatter particles that when fused would prefer to become matter?

>> No.12761561 [DELETED] 

>>12761543
well, the neutral kaon in this experiment is its own antiparticle, so the fact that the reverse is is the same particle is the essence of CP violation. i bet there are CP violation experiments that might show some antimatter preference as opposed to latter preference as in the kaon version, but the fact that there is an asymmetry is what is important.

note that if you do a CPT reversal, then going backward in time the kaon prefers antimatter. but CPT basically can’t be violated

>> No.12761567

>>12761543
well, the neutral kaon in this experiment is its own antiparticle, so the fact that the reverse is the same particle is the essence of CP violation. i bet there are CP violation experiments that might show some antimatter preference as opposed to matter preference as in the kaon version, but the fact that there is an asymmetry is what is important.

note that if you do a CPT reversal, then going backward in time the kaon prefers antimatter. but CPT basically can’t be violated