/sci/ - Science & Math » Thread #12374678

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Anonymous Sun 22 Nov 20:54:40 2020 No.12374678 View Reply Original Report

Quoted By: >>12374698 >>12374784 >>12374792 >>12375033 >>12376128 >>12376140 >>12376149 >>12376156 >>12376449 >>12377004 >>12377522 >>12381485 >>12381547

>1/2 spin particle
>you have to fully rotate something twice to get it back to the original state
how is this even possible, why do physicists believe this

Anonymous

Anonymous Sun 22 Nov 2020 20:59:02 No.12374698 Report

Quoted By: >>12377533

>>12374678
Just wait till you learn about complex numbers. You can spin by an IMAGINARY amount. Fucking mathematicians, what a hoot!

Anonymous

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Anonymous Sun 22 Nov 2020 21:18:11 No.12374784 Report

Quoted By: >>12376083

>>12374678
There are things we really do not fully understand and this is the best way to wrap our head around them with our current understanding of reality.
Eventually we will amend the laws of physics but for now, this will have to do

Anonymous

Anonymous Sun 22 Nov 2020 21:21:40 No.12374792 Report

Quoted By:

>>12374678
What if its actually two things and youre switching one from inside to the outside.

Anonymous

Anonymous Sun 22 Nov 2020 22:40:43 No.12375033 Report

Quoted By: >>12378086 >>12381551

>>12374678
>how is this even possible
$\pi_1(\text{SO}(3)) = \mathbb{Z}/{\mathbb{2Z}}$
>why do physicists believe this
for starters, they know what $\pi_1(\text{SO}(3)) = \mathbb{Z}/{\mathbb{2Z}}$ means

Anonymous

Anonymous Mon 23 Nov 2020 05:04:28 No.12376083 Report

Quoted By:

>>12374784
>?
i want more drunk loli with sobering reflections on the current state of science

Anonymous

Anonymous Mon 23 Nov 2020 05:14:59 No.12376114 Report

Quoted By: >>12376201 >>12376287 >>12379492 >>12381555

Does anyone even know what particle spin actually is?

Anonymous

Anonymous Mon 23 Nov 2020 05:21:20 No.12376128 Report

Quoted By: >>12376183

>>12374678
Hold a book in the palm of your hand and rotate the book through your shoulder. After your hand rotates through a full circle its orientation will be reversed so you need two full rotations to get back to your original starting configuration.
Obviously you can't actually do this without breaking your shoulder but you get the point visually of how 2 pi isn't the be all and end all of a complete rotation if other factors are relevant too.

Anonymous

Anonymous Mon 23 Nov 2020 05:24:18 No.12376140 Report

Quoted By: >>12376143

>>12374678
because a particle is not a fucking marble, it's a wave.

Anonymous

Anonymous Mon 23 Nov 2020 05:24:47 No.12376143 Report

Quoted By: >>12376151

>>12376140
>it's a wave.
It's not.

Anonymous

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Anonymous Mon 23 Nov 2020 05:25:46 No.12376149 Report

Quoted By: >>12376179 >>12376238 >>12379441

>>12374678

Anonymous

Anonymous Mon 23 Nov 2020 05:27:08 No.12376151 Report

Quoted By: >>12376161 >>12381558

>>12376143
it literally is

Anonymous

Anonymous Mon 23 Nov 2020 05:28:49 No.12376156 Report

Quoted By:

>>12374678
https://www.youtube.com/watch?v=JDJKfs3HqRg

Anonymous

Anonymous Mon 23 Nov 2020 05:29:56 No.12376161 Report

Quoted By: >>12376324

>>12376151
After 100 years, you should have understood that particles are neither corpuscles not waves. Why don't you educated yourself?

Anonymous

Anonymous Mon 23 Nov 2020 05:38:36 No.12376179 Report

Quoted By: >>12376182

>>12376149
needs more belts

Anonymous

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Anonymous Mon 23 Nov 2020 05:40:21 No.12376182 Report

Quoted By: >>12376194 >>12376238

>>12376179
happy?

Anonymous

Anonymous Mon 23 Nov 2020 05:42:16 No.12376183 Report

Quoted By:

>>12376128
>if other factors are relevant too.
specifically, continuous paths through the space of rotations. if you don't care about the inbetween rotation states and only the start and end rotation states, then you'll miss the spinors entirely

Anonymous

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Anonymous Mon 23 Nov 2020 05:45:04 No.12376194 Report

Quoted By: >>12376238

>>12376182
mmm, good. now faster

Anonymous

Anonymous Mon 23 Nov 2020 05:50:23 No.12376201 Report

Quoted By: >>12376208 >>12376287

>>12376114
Yes. It's just the rotation symmetry of the SU(2) group and because it's a rotation symmetry that means it has conserved intrinsic angular momentum which is then quantized.

Anonymous

Anonymous Mon 23 Nov 2020 05:54:53 No.12376208 Report

Quoted By: >>12376254

>>12376201
>*sound of panties drenching*

Anonymous

Anonymous Mon 23 Nov 2020 06:15:45 No.12376238 Report

Quoted By: >>12376245 >>12377341

>>12376149
>>12376182
>>12376194
Neat visualization, but that doesn't explain the Pauli principle or spin interaction.

Anonymous

Anonymous Mon 23 Nov 2020 06:21:30 No.12376245 Report

Quoted By:

>>12376238
>>you have to fully rotate something twice to get it back to the original state
it's a beginning

Anonymous

Anonymous Mon 23 Nov 2020 06:29:15 No.12376254 Report

Quoted By:

>>12376208
go back

Anonymous

Anonymous Mon 23 Nov 2020 06:56:02 No.12376287 Report

Quoted By: >>12376459

>>12376114
No. Not physically.
>>12376201
>a physical property is equal to its mathematical model
cringe

Anonymous

Anonymous Mon 23 Nov 2020 07:13:49 No.12376324 Report

Quoted By: >>12376465

>>12376161
waves causes by vibrating strings, edugas urself

Anonymous

Anonymous Mon 23 Nov 2020 08:14:52 No.12376449 Report

Quoted By: >>12376454 >>12381566

>>12374678
Elementary particles rotate at infinite speeds.
But since reality is real, a particle needs to travel back to the neighborhood of 0 to participate in Reality. This creates a "slip-stream" where they can rotate twice and be self-similar.

Given 1/0 = infty and $+\infty=-\infty$ , Consider the following:
> $2*\infty=\infty+\infty$
>since $+\infty=-\infty$ ,
> $\infty+\infty = \infty-\infty = 0$
> $2*\infty=0$
Q.E.D.

Anonymous

Anonymous Mon 23 Nov 2020 08:20:01 No.12376454 Report

Quoted By:

>>12376449
>+?=??
nope, it's
-inf * -----R----- *+inf

Anonymous

Anonymous Mon 23 Nov 2020 08:22:10 No.12376459 Report

Quoted By: >>12376467

>>12376287
take your meds

Anonymous

Anonymous Mon 23 Nov 2020 08:24:40 No.12376465 Report

Quoted By:

>>12376324
Bad bait.

Anonymous

Anonymous Mon 23 Nov 2020 08:25:41 No.12376467 Report

Quoted By:

>>12376459
>I'm not the schizo, you are the schizo!
Schizos can't meme.

Anonymous

Anonymous Mon 23 Nov 2020 13:29:19 No.12377004 Report

Quoted By:

>>12374678
>why do physicists believe this
because it's experimentally verified. You generate two fermions, rotate one through 2*pi using say magnetic field, and then interfere them. You'll see that there's a phase difference.

Anonymous

Anonymous Mon 23 Nov 2020 16:15:25 No.12377341 Report

Quoted By: >>12378775

>>12376238
>spin-1/2
>Pauli principle
Looks like someone needs to go back to middle school

Anonymous

Anonymous Mon 23 Nov 2020 17:20:14 No.12377522 Report

Quoted By: >>12378086

>>12374678
>why do physicists believe this
it is a mathematical fact

Anonymous

Anonymous Mon 23 Nov 2020 17:23:22 No.12377533 Report

Quoted By: >>12379411

>>12374698
Imaginary was probably the best term to inspire conspiracy theory tier beliefs about numbers for smooth brains

Anonymous

Anonymous Mon 23 Nov 2020 17:38:22 No.12377592 Report

Quoted By: >>12377627

Reality doesn't give a shit what humans think makes logical sense.

Anonymous

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Anonymous Mon 23 Nov 2020 17:45:27 No.12377627 Report

Quoted By:

>>12377592

Anonymous

Anonymous Mon 23 Nov 2020 17:52:15 No.12377653 Report

Quoted By: >>12377784 >>12379811 >>12381567

>tfw the delayed choice quantum eraser always bends me over and fucks me to death

What the FUCK man, how is the pattern encoded before the erasure? Does"before" even exist"?

Anonymous

Anonymous Mon 23 Nov 2020 18:18:14 No.12377784 Report

Quoted By:

>>12377653
Superdeterminsim explains it, but it is probably wrong.

Anonymous

Anonymous Mon 23 Nov 2020 19:28:25 No.12378086 Report

Quoted By:

>>12375033
>>12377522
>muh math
never gonna make it

Anonymous

Anonymous Mon 23 Nov 2020 22:01:44 No.12378775 Report

Quoted By:

>>12377341
Looks more like you're a Dunning-Kruger victim. Feel free to point out how Fermi-Dirac statistics do not lead to Pauli exclusion.

Anonymous

Anonymous Tue 24 Nov 2020 01:16:08 No.12379411 Report

Quoted By: >>12379417

>>12377533
This is the biggest mathematician cope I've ever seen. You're always coming up with useful stuff. I would know because I myself am one. Who cares if you can decompose a group vie a series of normal subgroups? NOBODY

Anonymous

Anonymous Tue 24 Nov 2020 01:17:09 No.12379417 Report

Quoted By:

>>12379411
And by useful I mean ABSOLUTELY USELESS.

Anonymous

Anonymous Tue 24 Nov 2020 01:23:28 No.12379441 Report

Quoted By:

>>12376149
how do I put my penis in this thing???
it looks so fucking hot

Anonymous

Anonymous Tue 24 Nov 2020 01:38:34 No.12379492 Report

Quoted By:

>>12376114
Well, at first, (position, velocity) wasn't enough to model small magical particles. So they invented "field" of particle, which expands in the entire space. Somehow the field has to use complex numbers.

Then "field" wasn't enough either. Dirac multiplied it with a matrix, adding more dimensions to state of particle.

Basically, just adding more variables to fit experimental results.

Anonymous

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Anonymous Tue 24 Nov 2020 03:09:03 No.12379811 Report

Quoted By: >>12381567

>>12377653
someone explain to me how prism PS "knows" which slit a photon came from

Anonymous

Anonymous Tue 24 Nov 2020 15:21:14 No.12381485 Report

Quoted By:

>>12374678
>be me, 1/2 spin particle
>do a 360 and walk away

Anonymous

Anonymous Tue 24 Nov 2020 15:51:12 No.12381547 Report

Quoted By:

>>12374678
Imagine that the particles aren't actually spinning and what physicists call spin is just the resultant output of the sub-quantum mechanics.

Anonymous

Anonymous Tue 24 Nov 2020 15:52:32 No.12381551 Report

Quoted By:

>>12375033
>my equation that's entirely memorization of irrational numbers, that I just learned from somebody else, is totally the answer bro

Anonymous

Anonymous Tue 24 Nov 2020 15:54:39 No.12381555 Report

Quoted By:

>>12376114
Basically everything below the atomic level is magic bullshit. The generalized abstractions about sub-atomic particles generally fit fine but the details are autistic

Anonymous

Anonymous Tue 24 Nov 2020 15:56:31 No.12381558 Report

Quoted By:

>>12376151
Particles are just measurable points in a waveform, likely just points of interaction with other waves

Anonymous

Anonymous Tue 24 Nov 2020 15:58:26 No.12381566 Report

Quoted By:

>>12376449
>using infinite
Never gonna make it

Anonymous

Anonymous Tue 24 Nov 2020 15:59:47 No.12381567 Report

Quoted By:

>>12377653
>>12379811
Massless waveforms travel through time backwards

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