Some explanation with spin qantum No

In summary, the conversation is about the concept of Spin Quantum Number in quantum mechanics. The four quantum numbers (principle, angular momentum, magnetic, and spin) are explained, with a focus on spin which is related to the rotation of a particle around its own axis. The idea is briefly demonstrated with the concept of spin up and spin down. The person is asking for a specific example or calculation involving spin quantum number, and is directed to look at a course book or text for more detailed mathematical formulations.
  • #1
firoz.raj
19
0
can anyone explain a bit about Spin Quantum No ?.Kindly explain proerly.
 
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  • #2
In quantum mechanics,All particles have 4 quantum number.And these quantum numbers explain some structure of particles.
for instance:
principle quantum number (n):this quantum number is related to the orbit of electron around the proton and it is related to the energy of states.
angular momentum quantum number(l):
This is related to the momentum of particle.
magnetic quantum number(ml)
it is related to the magnetic features of particle(this explanation is very lacking sorry)
and last.
spin:spin is related with (rougly)rotation around its own axis.
and we show that spin up or spin down.
 
  • #3
spin:spin is related with (rougly)rotation around its own axis.
and we show that spin up or spin down.
can you demostrate any example of Spin Quantum No.Kindly let me know the idea.Any
help would be highly appreciated.
 
  • #4
You should try to ask a more specific question, or at least tell us what you have studied so far.
 
  • #5
spin:spin is related with (rougly)rotation around its own axis.
and we show that spin up or spin down.
there is not any mathmatical calculation on spin Quantum no.How should i evaluate Spin
Quantum no.Can you show any example for spin Quantum No.
 
  • #6
firoz.raj said:
there is not any mathmatical calculation on spin Quantum no.How should i evaluate Spin
Quantum no.Can you show any example for spin Quantum No.

Did you look any course book or text ?
in that link there are several mathematical formulations of spin calculations.

link:
http://en.wikipedia.org/wiki/Spin_quantum_number"
 
Last edited by a moderator:

1. What is spin quantum number?

The spin quantum number is a property of subatomic particles that describes their intrinsic angular momentum. It is a fundamental characteristic of particles and can have a value of either +1/2 or -1/2, representing the direction of the particle's spin.

2. How does spin quantum number differ from orbital quantum number?

While the orbital quantum number describes the spatial distribution of an electron in an atom, the spin quantum number describes the electron's intrinsic angular momentum. They are both important in determining the overall quantum state of an electron in an atom.

3. What is the significance of spin quantum number in quantum mechanics?

The spin quantum number is important in quantum mechanics as it is a fundamental property of particles that affects their behavior and interactions. It is also necessary for fully describing the quantum state of a particle, along with other quantum numbers such as orbital quantum number and magnetic quantum number.

4. How is spin quantum number measured?

Spin quantum number is measured using experimental techniques such as electron spin resonance (ESR) or nuclear magnetic resonance (NMR). These techniques use external magnetic fields to manipulate the spin of particles and measure their response, allowing for the determination of their spin quantum number.

5. Can the spin quantum number of a particle change?

Yes, the spin quantum number of a particle can change through interactions with other particles or external magnetic fields. This phenomenon is known as spin flipping and is important in various fields such as quantum computing and nuclear magnetic resonance imaging (MRI).

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