Linked Questions

0 votes
1 answer
560 views

Why do particles have spins such as $1/2$, $3/2$, $5/2$? [duplicate]

What does it mean to have 'half' spin? I have looked on Wikipedia and a few youtube videos on spin but they don't explain what it means to have $1/2$ spin. I am 18 and only starting to learning about ...
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  • 1,640
-1 votes
1 answer
44 views

About the spin of fundamental particle [closed]

What if the spin of electron or of any fundamental particle is same as ball/top spinning,is there will be any change in physics rule?
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-1 votes
1 answer
104 views

How can a point particle have orientation? [duplicate]

I always thought that a point particle would have spherical symmetry. This is the case for the intrinsic electric field from an electron. However, the intrinsic magnetic field of an electron has ...
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  • 2,249
-1 votes
1 answer
139 views

Spin (for chemists) for 100th time here on the forum [closed]

EDIT: Okay so I see the question was bit unclear. I know about matrices as far as we have used them but we never used any group theory. Determinants like slater determinants are used in chemistry, ...
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  • 11
-2 votes
1 answer
109 views

Spin of a particle (Quantum Mechanics) [duplicate]

Why the intrinsic spin cannot be expressed in terms of polar vectors or the orbital variables $\bf r$ and $\bf p$? Or, why do we need matrix representation for Spin?
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-3 votes
1 answer
215 views

Can a point spin? [closed]

Can a point spin?(the verb not the property)? Does it take up space? If so should it?
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2 votes
0 answers
52 views

Is the spin of an electron based on its direction of angular momentum? [duplicate]

Is the spin of an electron based on its direction of angular momentum? Is it based on the right hand rule of angular momentum? Does Spin up means that the electron is spinning anti-clockwise and spin ...
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  • 1,885
2 votes
0 answers
63 views

How to explain spin for a 14-year old teen [duplicate]

How do you explain the concept of spin in QM to a 14-year old teen, and why it isn't a vector as in the classical notion of angular momentum?
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2 votes
0 answers
2k views

Does String Theory explain spin?

The state of a particle will generally change if you rotate it. The details of how the state changes under an infinitesimal rotation are contained in the angular momentum operator J. This operator can ...
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1 vote
0 answers
410 views

Difference between classical spin and quantum spin [duplicate]

What is the difference between classical spin and quantum spin?
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0 votes
0 answers
28 views

Angular momentum in QM [duplicate]

My doubt is about the spin of particles. I am unable to imagine spin as a physical quantity. So what is spin actually?
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0 votes
0 answers
35 views

Is muon a point particle? [duplicate]

Im just a beginner in particle physics. As I have understand, electrons are considered as a point particle whose spin has nothing to do with original rotation around own axis but an intrinsic quantum ...
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0 votes
0 answers
34 views

What is actually spinning in quantum spin? [duplicate]

Some texts say quantum spin is analogous to the spin of a planet in that it gives a particle angular momentum and a magnetic moment. However, as subatomic particles are tiny, the surfaces of charged ...
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  • 11
0 votes
0 answers
64 views

What happens when a charge spins at near- $c$? [duplicate]

I asked a similar question but it was closed with no valid reason, this question asks a surely legit question of what happens when a charge moves at $c-\epsilon$. Consider an electron that actually ...
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0 votes
0 answers
103 views

What exactly is the spin of a particle? [duplicate]

Possible Duplicate: What is spin as it relates to subatomic particles? I'm having a hard time grasping the concept of spin, my textbook describes it very vaguely: Stable matter contains just ...
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