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Shop: Kraken Kratom Red Vein Kratom   Unfolding Nature Unfolding Nature: Being in the Implicate Order

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InvisibleBlimeyGrimey
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Registered: 08/24/05
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Matter can travel back in time!!!!
    #8275551 - 04/12/08 09:34 PM (16 years, 1 month ago)

How matter/antimatter can travel through time! (Kinda)

Here's some stuff from the article.

"A basic feature of modern physics a revealed by the equations used in quantum electrodynamics and announced by Baron von Stuckelberg and Richard Feynman back in the mid 1940's is that matter and anti-matter enjoy a peculiar time-reversal symmetry. A matter particle traveling forward in time between times T1 and T2, is MATHEMATICALLY equivalent to the same anti-matter particle traveling BACKWARD in time between T2 and T1."


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Invisibledeimya
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Registered: 08/26/04
Posts: 825
Loc: ausländer.ch
Re: Matter can travel back in time!!!! [Re: BlimeyGrimey]
    #8277198 - 04/13/08 11:05 AM (16 years, 1 month ago)

Yep, mathematically equivalent, but the modern physical interpretation is simply to build much more elegant and practical creation and annihilation operators for matter and antimatter instead of matter and time-reversed matter. That is one absorbs a couple minus signs here and there into redefinitions of your operators and you have a theory which make sense AND silences time-travel crackpots ! :awesome:

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InvisibleDieCommie


Registered: 12/11/03
Posts: 29,258
Re: Matter can travel back in time!!!! [Re: deimya]
    #8277383 - 04/13/08 11:57 AM (16 years, 1 month ago)

Interesting, so if you used the theory where it is 'time-reversed' matter then a positron woulndnt be positive it would still be negative? But by making it 'anti-matter' it follows the same time direction that a regular electron would?

Quote:

A matter particle traveling forward in time between times T1 and T2, is MATHEMATICALLY equivalent to the same anti-matter particle traveling BACKWARD in time between T2 and T1.


I am reminded of a simple lesson from kinematics. Those equations can run backward and forward in time, and they are MATHEMATICALLY equivalent. A person throwing a ball which then hits the ground can also come up off the ground and into the person's hand.

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Invisibledeimya
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Registered: 08/26/04
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Re: Matter can travel back in time!!!! [Re: DieCommie]
    #8277652 - 04/13/08 01:01 PM (16 years, 1 month ago)

That's about it yes. Most mathematical and physical aspects of this interpretation are wrapped up nicely in the CPT symmetry of quantum fields.

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Shop: Kraken Kratom Red Vein Kratom   Unfolding Nature Unfolding Nature: Being in the Implicate Order


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