a) Starting with the canonical commutations for the position and momentum, work out the following commutators: [Lax], [Lay], [Laz], [La,px], [Lapy] and [L₂pz]. b) Use these relations to obtained [Z,Zx] directly from the classical equation of the angular momentum. c) Evaluate the commutators [L₂,²] and [L,p²], where ² = x² + y² + z² and p² = p² + p²+p². d) Show that H = (p²/2m) + V commute with three components of L provide that V depends only on 7.

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PLEASE HELP WITH QUESTION D

Question 1
a) Starting with the canonical commutations for the position and momentum, work out the
following commutators: [Läx], [Lay], [L»,2]. [Lupx]. [Lupy] and [Lz,p=].
b) Use these relations to obtained [L,Lx] directly from the classical equation of the angular
momentum.
2
2
c) Evaluate the commutators [Lr²] and [L,p²], where ² = x² + y² + z² and p²:
= Px + P₂
d) Show that H = (p²/2m) + V commute with three components of L provide that V depends only
on 7.
Transcribed Image Text:Question 1 a) Starting with the canonical commutations for the position and momentum, work out the following commutators: [Läx], [Lay], [L»,2]. [Lupx]. [Lupy] and [Lz,p=]. b) Use these relations to obtained [L,Lx] directly from the classical equation of the angular momentum. 2 2 c) Evaluate the commutators [Lr²] and [L,p²], where ² = x² + y² + z² and p²: = Px + P₂ d) Show that H = (p²/2m) + V commute with three components of L provide that V depends only on 7.
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