Linked Questions

33
votes
3answers
3k views

Is spin really just “rest angular momentum”? [duplicate]

Spin is the intrinsic angular momentum of a particle. The particle itself is elementary and is not spinning on its axis, and has this momentum even at rest. The absolute magnitude of this momentum ...
3
votes
2answers
874 views

What is meant by the spin of a particle? [duplicate]

I have been studying that electrons have quantum number called spin quantum number(s), this number can have either +1/2 or -1/2 value. If s=+1/2, the spin is clockwise and if s=-1/2, the spin is anti ...
5
votes
1answer
1k views

What does it mean for a particle to have spin of 2? [duplicate]

When I first started to study quantum mechanics, my physics text book told that particles have spin of either 1/2 or -1/2. Then I recently read an article saying that gravitons are expected to be ...
2
votes
2answers
423 views

How to explain spin of electron? [duplicate]

How can we explain spin of electron, or the spin of other fundamental particles? If we think the spin of electron is similar to the spin of a ball or planet we make a mistake. We say it is an ...
2
votes
2answers
167 views

How can electrons spin if they have no volume? [duplicate]

My understanding of electrons is that they have no volume, eg they are point particles. If this is true, how can a point spin?
0
votes
1answer
358 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 ...
-1
votes
2answers
126 views

What does Quantum Spin Cause? [duplicate]

How do particles with different Quantum Spin Numbers interact differently with other matter? What does spin cause? I understand that electrons etc act as if they are spinning my emitting a magnetic ...
0
votes
1answer
256 views

how can a particle can have a spin of 2 [duplicate]

i have seen some analogies of spin using playing cards but i am struggling to grasp the concept due to this making no sense in terms of playing cards
-1
votes
2answers
219 views

How can spin be angular momentum and particles dimensionless? [duplicate]

On the Wikipedia page it says that spin is a form of angular momentum. Wikipedia also say particles are dimensionless. However if particles are actually "dimensionless" there would be no way to deduce ...
0
votes
1answer
186 views

What exactly is quantum spin? [duplicate]

What is "spin" as it relates to subatomic particles? I've heard that it's similar to angular momentum but I've also heard that's not completely the case.
1
vote
3answers
105 views

What is particle spin in terms of waves? [duplicate]

If particles are waves, then what really is spin?
1
vote
0answers
156 views

Difference between classical spin and quantum spin [duplicate]

What is the difference between classical spin and quantum spin?
2
votes
1answer
120 views

Spin of electron [duplicate]

While reading 'The Universe in a Nutshell' by Stephen Hawking, I came across the example of cards and how he used it to explain concept of spin and fermions and bosons. There he defined 'Spin' as ...
-2
votes
1answer
101 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?
0
votes
0answers
95 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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