/sci/ - Science & Math » Thread #12796823

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The universe runs on complex numbers

Anonymous Sat 06 Mar 10:28:57 2021 No.12796823 View Reply Original Report

Quoted By: >>12796829 >>12796842

An experiment has been devised to test whether the exchange of spin between particles runs on complex numbers or real numbers.
https://www.quantamagazine.org/imaginary-numbers-may-be-essential-for-describing-reality-20210303/

Anonymous

Anonymous Sat 06 Mar 2021 10:31:49 No.12796829 Report

Quoted By: >>12796856

>>12796823
Nobody gives a shit about your off-site popsci article. Either describe the technical content here or get the fuck off my board.

Anonymous

Anonymous Sat 06 Mar 2021 10:33:02 No.12796833 Report

Quoted By:

Complex analysis has always been the enterprise of mathematical Chads.

Anonymous

Anonymous Sat 06 Mar 2021 10:37:04 No.12796842 Report

Quoted By: >>12796890 >>12796898 >>12796946

>>12796823
Complex numbers are basically just two-dimensional vectors in number form, aren't they? I'm not sure why it's surprising to people that you can describe nature with that way better than with one-dimensional numbers.

Anonymous

Anonymous Sat 06 Mar 2021 10:43:52 No.12796856 Report

Quoted By:

>>12796829
fuck off, shitstain

Anonymous

Anonymous Sat 06 Mar 2021 10:59:11 No.12796890 Report

Quoted By:

>>12796842
Because people think "imaginary" numbers are some schizo bullshit and not as useful as "real" numbers.

Anonymous

Anonymous Sat 06 Mar 2021 11:01:42 No.12796898 Report

Quoted By: >>12796941

>>12796842
Exactly. It’s actually more surprising that 2 dimensional numbers can be so descriptive.

Anonymous

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Anonymous Sat 06 Mar 2021 11:31:43 No.12796941 Report

Quoted By:

>>12796898
It's not that surprising. QM is unitary, so complex numbers arise naturally because the unitary group U(n) is the intersection of the orthogonal group O(2n), the symplectic group Sp(2n,R) and the complex general linear group GL(n,C). You can do QM purely with real numbers, but the underlying mathematical structure that contains complex numbers is still there even if you ignore them in calculations.

Anonymous

Anonymous Sat 06 Mar 2021 11:38:48 No.12796946 Report

Quoted By:

>>12796842
>I'm not sure why it's surprising to people that you can describe nature with that way better than with one-dimensional numbers.
it's because they don't understand complex numbers

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