show that linear and position operators do not commute yes, linear
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- Consider the following operators on a Hilbert space V³ (C): 0-i 0 ABAR-G , Ly i 0-i , Liz 00 √2 0 i 0 LE √2 010 101 010 What are the corresponding eigenstates of L₂? 10 00 0 0 -1 What are the normalized eigenstates and eigenvalues of L₂ in the L₂ basis?Prove the following: if the Hamiltonian is independent of time, then ∆E doesn't change in time. Show work and be explicit to prove the statement.For a one dimensional system, x is the position operator and p the momentum operator in the x direction.Show that the commutator [x, p] = ih
- Using Lagrangian formalism, solve the following problem: A solid cylinder is released from rest to roll without slipping down a ramp of slope ϕ. a) What is the best choice of generalized coordinates to be used?Please do parts d, e, 1, and 2.Consider the matrix representation of Lx, Ly and L₂ for the case l = 1 (see Matrix Representation of Operators class notes pp. 11-12). (a) Construct the matrix representation of L² for l = 1. (b) What are the eigenvalues and corresponding eigenvectors of L²? (c) Are the eigenvectors of L² the same as those of L₂? Explain. (d) Compute L² |x; +1), where |x;+1) is the eigenvector of La corresponding to eigenvalue +ħ.
- For each of the following vector fields F , decide whether it is conservative or not by computing curl F . Type in a potential function f (that is, ∇f=F). F(x,y)=(−3siny)i+(10y−3xcosy)jConsider the following operator imp Â= and the following functions that are both eigenfunctions of this operator. mm (0) = e² ‚ (ø) = (a) Show that a linear combination of these functions d² dø² is also an eigenfunction of the operator. (b) What is the eigenvalue? -m imp c₁e¹m + c₂e² -imp -imp = eEvaluate the commutator [Â,B̂] of the following operators.