Magnetic Moment of Electron - Edubirdie

University:
Santa Fe College
Course:
PHY 2048 | General Physics 1 with Calculus
Academic year:

2024
Views:

394

Pages:

2
Author:

Jabin F.

Magnetic moment - of e:- μ = (eh/2m)S M² = (-eh/2m)²S² = (e²h²/4m²)S² For any charge particle⇒For spin half particle M_L = (q/2m)L⇒ M_S = (2q/2m)s⇒ Total magnetic moment → M = M_L + M_S M = (q/2M)L+(2q/2M)s E = H= -M • B In a uniform magnetic field B contribution of spin for e H = E = -(2e/2m)S • B E = { + (2eB/2m) for (ms = +1/2) = μBB, - (eB/2m) for (ms = -1/2) = -μBB, s = 1/2 e = charge, s = spin E = μBB -μBB |1> for +ve charge particle |2> spin of a .m. particle is intrinsic quantity. spin motion Rotation about com. axis For e- 8=12 M8= +1/2-1/2 Loso = Me 18,ms>= 1½+½ 1½½> ر I = Intensity Spin up of spin down I N= Total no. of Atoms. N₁=NP Pr=P+= 1/2 = 50% NI. = NPJ. N=N₁₁ = 1/2 = 50%.

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