Angular momentum eigenstates and total mom. S?

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SUMMARY

The total angular momentum S of a spin-2 particle is calculated using the formula J(J+1)|j,m>, where J is the spin quantum number. For spin-2 particles, the eigenvalue of the total angular momentum squared is S^2 = s(s+1)(ħ^2), with s equal to 2. The value of J can range from 0 to 2, necessitating the determination of the specific value of J for accurate calculations. This approach mirrors the treatment of spin-1/2 particles, where the orbital and spin components of angular momentum combine according to standard quantum mechanics principles.

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My problem is with finding total angular momentum S of a spin 2 particles. My quantum book doesn't do any examples with spin 2 particles do i just do
J(J+1)|j,m> and just plug in j and that will be my value.
 
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Assuming zero orbital angular momentum, L = 0, then the eigenvalue of the total angular momentum squared is just S^2 = s(s+1)*(h-bar)^2, with s = 2.

Generally, the treatment of the problem is the same as with spin-1/2 particles, so the orbital- and spin-components of angular momentum add together as usual in the case of non-zero orbital angular momentum, ie j goes between abs(l - s) and abs(l+s) in integer steps, then l(l+1)*(h-bar)^2 is the eigenvalue of L^2.

Cheyne
 
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Yes, you are correct in your approach. The total angular momentum of a spin 2 particle can be calculated using the formula J(J+1)|j,m>, where J is the spin quantum number and m is the magnetic quantum number. You can simply plug in the appropriate value for J and calculate the total angular momentum. However, it is important to note that the value of J for a spin 2 particle can range from 0 to 2, so you will need to determine the specific value of J for your particle in order to accurately calculate the total angular momentum. Additionally, it may be helpful to consult other sources or textbooks for examples of spin 2 particles to gain a better understanding of the concept.
 

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